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Conservation - Science topic

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How can we manage renewable resources for sustainable use and what is the conservation of energy in climate?
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Solar, wind, hydroelectric, biomass, and geothermal power can provide energy without the planet-warming effects of fossil fuels. In any discussion about climate change, renewable energy usually tops the list of changes the world can implement to stave off the worst effects of rising temperatures. Energy conservation entails changing user behaviors to use electricity more efficiently, reducing the amount of fuel needed to generate electricity and, therefore, the amount of greenhouse gases emitted. Renewable energy sources, such as biomass, geothermal resources, sunlight, water, and wind, are natural resources that can be converted into these types of clean, usable energy. Renewable energy sources, as opposed to nonrenewable energy sources, are critical to mitigating environmental harm. While they are inexhaustible, they do not contribute to pollution. Opting for alternative energy sources, like solar, wind or tidal energy, also gives independence in terms of sourcing and consumption. Conservation of land, soil, minerals, water, vegetation and wildlife which is very essential in ensuring a continuous yield of plants used as food and other materials for the growing population. Energy conservation is the means of reducing the consumption of energy. To reduce the environmental impact on society, energy conservation measures are being imparted. Remember, by saving energy, you are protecting the environment directly. Energy conservation is reducing the amount of energy consumed by limiting the use of an energy source. Conservation of energy is a great way to lower energy costs and greenhouse gas emissions. When you limit your energy usage, you lower your impact on the environment. The longer we go without making significant changes, the greater the threat of global warming and climate change become to our daily lives. When we burn fossil fuels, they create an incredible amount of greenhouse gas emissions. Energy conservation is a crucial process in that everyone should take part. Making efforts to save energy helps protect the natural environment. It cuts down greenhouse gas emissions, which slows down global warming. It also saves money by reducing electricity usage.
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What are the characteristics of renewable energy and role of environmental manager in conservation of various resources and to preserve ecosystem?
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Renewable energy includes those types of energy that are obtained from natural sources. Therefore, their main characteristic is that they're unlimited and do not produce greenhouse gas emissions. Resources are characterized as renewable or nonrenewable; a renewable resource can replenish itself at the rate it is used, while a nonrenewable resource has a limited supply. Renewable resources include timber, wind, and solar while nonrenewable resources include coal and natural gas. Renewable energy is a critical solution in combating climate change. By transitioning to a low-carbon energy mix, we can reduce greenhouse gas emissions, improve energy security, and provide millions of people access to clean, reliable, and affordable energy. Renewable resources are considered especially important for their potential to replace non-renewable, or finite, resources in the production of energy. Additionally, renewable resources can offer cleaner energy solutions than those provided by non-renewable resources such as coal and fossil fuels. There are numerous benefits that come from energy efficiency as it regulates greenhouse gas emissions, which includes direct emission that comes from fossil fuel consumption and combustion. It also reduces all the indirect emissions from electricity generation as well. Environmental resources management aims to ensure that ecosystem services are protected and maintained for future human generations, and also maintain ecosystem integrity through considering ethical, economic, and ecological variables. Energy management is the proactive and systematic monitoring, control and optimization of an organization's energy consumption to conserve use and decrease energy costs. Energy management includes minor actions such as monitoring monthly energy bills and upgrading to energy-saving light bulbs.As an environmental manager you'll be responsible for overseeing the environmental performance of public, private, or even voluntary organizations and ensuring they're compliant with environmental regulations in air quality, waste, clean water, and pollution. Environmental management helps you identify degradation factors and implement strategies to mitigate them. It also helps you predict future impacts of environmental degradation and initiate processes to minimize the effects.Environmental managers plan and direct the development of management systems designed to minimize the impact of an organization on the environment. This includes the regulation and management of electricity, water, general waste consumption, and pollution or carbon emissions from road or air travel. Environmental conservation protects wildlife and promotes biodiversity. Maintaining a healthy and functional ecosystem helps prevent the extinction of certain animal species. If the environment is destroyed, some animals are forced out of their habitat, making it hard for them to survive elsewhere.
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The conservative and dissipative terms of a 3D chaotic system are separated using Helmholtz theorem [F(x) = Fc(x) + Fd(X)]. How to find its Hamiltonian energy function (analytically and numerically)?
F(x) = Fc(x) + Fd(x), where F(x) is a 3D chaotic system, Fc(x) is a column vector with conservative field terms and Fd(x) is a column vector with dissipative field terms.
After using Helmholtz theorem it is obtained that
Fc(x)= full column vector;
Fd(x)= column vector with zero first row term.
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Thank you for this great question. Since climate is a chaotic system, it would be interesting to see if some of the ideas proposed might be applicable to climate science.
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I'm an undergraduate student in biology, and I study aquatic insect ecology with a focus on biodiversity and conservation, ecotoxicology, and trophic relationships. Scientific materials on the evolution of aquatic insects would be important for a better overall understanding. However, I'm having difficulty finding these materials. Does anyone have any recommendations?
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Andrew Paul McKenzie Pegman I understand that we can't observe the "production" of new species haha. I meant references of what science know about the phylogeny and, of course, adaptations. Used "evolution" in a general therm, rather than as a hypothesis. Thank you :)
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Is a low biodiversity more stable than high biodiversity and how the biodiversity can be conserved and how can we reduce biodiversity loss?
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Dr Raymond Pierotti thank you for your contribution to the discussion
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A body at rest has rest Energy, so it should also have rest Momentum.
Lao Tzu said, “Gravity is the root of lightness; stillness, the ruler of movement”(重为轻根,静为躁君)*. The meaning of this statement can be extended in physics to mean that "big-G determines how light or heavy an object is, and rest-m determines how easy or difficult it is to move".
According to the mass-energy equation** [1], E=mc^2, any object with mass m has "rest energy" [1], regardless of its inertial frame†. Note that E here is meant to be the energy lost when radiating the photon γ, which is absolute and unchangeable in any inertial frame. The mass-energy equation has been experimentally verified [2] as the correct relation.
According to special relativity [3], the mass of the same object is different in different inertial frames, m' = βm. Therefore, the energy of conversion of m of an object into photon γ is different in different inertial frames. This issue has been discussed in [4], but there is no consensus. Our view is that the "rest energy" is theoretically not Lorentz invariant, and the existence of a minimum value is a reasonable result. The most rational explanation for this is that the minimum corresponds to an absolutely static spacetime, i.e., absolute spacetime(Later we will show that absolute space-time and relative space-time are not in conflict). Analytically, this is one of the reasons why absolute spacetime should exist. The constant speed of light is another reason.
In all cases in physics, energy and momentum coexist and have a fixed relationship, not independent metrics. The energy-momentum ‡ of a photon, E=hν[5], P=h/λ[6]; the energy-momentum relation of Newtonian mechanics, E=P^2/2m; and the relativistic energy-momentum relation, E^2=c^2p^2+m^2c^4. Therefore, it is assumed that if there is a body of mass m that has "rest energy", then it should also have "rest momentum". There is a "rest momentum", and the rest momentum cannot be zero. The rest energy is not intuitive, and the rest momentum should not be intuitive too. The calculation of the rest momentum is the same as the calculation of the rest energy. The nature of mass looks more like momentum; after all, energy is a sign of time, while momentum is a sign of movement. Therefore, instead of calling it the principle of equivalence of inertial mass and rest-energy[1], it should be called the principle of equivalence of inertial mass and rest-momentum.
When positive and negative electrons meet and annihilate [7], -e+e→γ+γ, radiating two photons in opposite directions. Their energy is conserved and so is their momentum. Energy is a scalar sum, while momentum is a vector sum. It seems that the "rest momentum" inside the object should be zero. However, one could argue that it is actually the momentum of the two photons that is being carried away, but in opposite directions. The momentum of the two photons should not come out of nothing, but rather there should be momentum of the two photons, also in some balanced way, and probably playing a very important role, such as the binding force.
Our questions are:
1) Since energy and momentum cannot be separated, should an object with "rest energy" necessarily have "rest momentum".
2) Elementary particles can be equated to a " energy packet ", and energy is time dependent. If an elementary particle is also equivalent to a "momentum packet", the momentum in the packet must be related to space. Does this determine the spatio-temporal nature of the elementary particles? And since momentum is related to force, is it the force that keeps the "energy packet" from dissipating?
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Notes
* Lao Tzu,Tao-Te-Ching,~500 BCE. This quote is a translation of someone else's. There are some excesses that I don't entirely agree with. Translating classical Chinese into modern Chinese is just as difficult as translating classical Chinese into English.
** There is a historical debate about the process of discovery of the mass-energy equation, and digging into the history shows that there were discoverers and revisers both before and after Einstein, see literature [8][9]. Important contributions came from Poincaré, F. Hasenöhrl, Planck et al. Their derivations do not have the approximation of Einstein's mass-energy equation. And there is also a debate about the interpretation of the mass-energy equation. Notable debates can be found in the literature[10].
† There is a question here, i.e., is the rest mass Lorentz invariant? That is, is the rest mass the same in different inertial systems? Why?
‡ Einstein questioningly emphasized that energy and momentum seem to be inseparable, but did not explain it.
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References
[1] Einstein, A. (1905). "Does the inertia of a body depend upon its energy-content." Annalen der physik 18(13): 639-641.
Einstein, A. (1935). "Elementary derivation of the equivalence of mass and energy." Bulletin of the American mathematical society 41(4): 223-230.
[2] Rainville, S., J. K. Thompson, E. G. Myers, J. M. Brown, M. S. Dewey, E. G. Kessler, R. D. Deslattes, H. G. Börner, M. Jentschel, P. Mutti and D. E. Pritchard (2005). "A direct test of E=mc2." Nature 438(7071): 1096-1097.
[3] Einstein, A. (1905). "On the electrodynamics of moving bodies." Annalen der physik 17(10): 891-921.
[4] Is there a minimum value of m in the mass-energy equation E=mc^2? https://www.researchgate.net/post/NO7_Is_there_a_minimum_value_of_m_in_the_mass-energy_equation_Emc2;
[5] Planck, M. (1900). " " Verh. Deutsh. Phys. Ges 2: 237.
[6] Einstein, A. (1917). Physikalisehe Zeitschrift xviii: p.121
[7] Li, B. A. and C. N. Yang (1989). "CY Chao, Pair creation and Pair Annihilation." International Journal of Modern Physics A 4(17): 4325-4335.
[8] Ives, H. E. (1952). "Derivation of the mass-energy relation." JOSA 42(8): 540-543.
[9] Sharma, A. (0000). "The past present and future of the Mass Energy Equation DE =Dmc2." http://www.mrelativity.net/Papers/8/Sharma4.htm.
[10] Peierls, R., J. Warren and M. Nelkon (1987). "Mass and energy." Physics Bulletin 38(4): 127.
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Dear Chian Fan ,
The next conclusion is connected to your previous comment:
So far, two people with PhDs have made veiled, arrogant criticisms... somewhat suggesting my stupidity. So far, there are four opinions. : one is a normal honestly worded opponent opinion. What's your opinion?
Regards,
Laszlo
P.S.: there is a thought that relates to your topic...
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What, in your opinion, are the methods, ways, legal solutions, new material and other technologies to reduce paper consumption, save wood and trees?
What, in your opinion, are the actions and projects that can contribute to forest conservation, to convert deforestation into afforestation, to protect the climate, biosphere and biodiversity of the planet's natural ecosystems, to reduce greenhouse gas emissions and counteract the ongoing process of global warming?
As we know, trees, forests, especially old, natural forests, primeval forests with old-growth forests without human interference, without the influence of civilization, are the refuge of the greatest resources of biodiversity of natural ecosystems. Besides, forests play a particularly important role in the issue of slowing down the human-induced global warming process, which is progressing faster and faster. Forests also play a very important role in mitigating weather and climate anomalies, maintaining a mild microclimate friendly to living organisms, keeping the soil and air moist, maintaining the high level of biodiversity and soil fertility created over thousands or millions of years, and so on.
Deforestation still dominates over afforestation in many regions of the world. Forests are still being cut down and burned to acquire new areas for agricultural development, the cultivation of crops, which is usually carried out in the form of unsustainable robbery. In addition, this practice is carried out mainly in the tropics and subtropics, where after logging, forests created new arable land is quickly subject to drought and the soil becomes barren. Restoring a forest that has functioned for thousands of years or more in a specific area on the depleted soil requires huge expenditures. In addition, vegetable crops are grown on these new agricultural areas, which are either transported thousands of kilometers to other countries, which generates high greenhouse gas emissions, or are not used for human food but for livestock feed, which also generates high emissions, as industrial livestock farming is a source of high emissions of the potent greenhouse gas methane. Therefore, with a view to protecting the climate, biosphere and biodiversity of the planet's natural ecosystems, to reduce greenhouse gas emissions and counteract the ongoing process of global warming.
Various examples of reducing paper consumption and saving forests are as follows:
In some countries, the scale of printing notebooks, notebooks, books, including school books, has been reduced and students as early as elementary school write at school on tablets or laptops rather than in paper notebooks. Green economic activities involving, for example, the production of furniture from recycled materials are also emerging.
Another example is the replacement of dirty energy based on burning firewood with renewable and emission-free sources of clean energy. Unfortunately, in some countries, in order to falsify statistics on the development of renewable energy at the behest of the government, central statistical institutions, ministries and government agencies dealing with climate and environmental issues also count firewood as a renewable energy source. Such absurdities unfortunately still exist in some countries.
Another example is the use of secondary raw materials of various origins in the construction industry instead of using wood, and especially instead of newly harvested wood from companies producing building materials based on fresh, new wood raw material from a sawmill.
As of 1.8.2023, paper receipts are not printed in France to save trees. You have to ask for a printed receipt if the customer needs one.
What other examples of reducing paper consumption and saving forests are as follows?
In view of the above, I address the following question to the esteemed community of scientists and researchers:
What, in your opinion, are the actions and undertakings that can contribute to forest conservation, to convert deforestation into afforestation, to protect the climate, biosphere and biodiversity of the planet's natural ecosystems, to reduce greenhouse gas emissions and counteract the ongoing process of global warming?
What do you think are the methods, ways, legal solutions, new material technologies and others to reduce paper consumption, save wood and trees?
How can we reduce paper consumption, save wood, trees and reduce forest deforestation, protect biodiversity and climate?
What do you think about this topic?
What is your opinion on this issue?
Please respond,
I invite everyone to join the discussion,
Thank you very much,
Warm regards,
Dariusz Prokopowicz
Counting on your opinions, on getting to know your personal opinion, on a fair approach to the discussion of scientific issues, I deliberately used the phrase "in your opinion" in the question.
The above text is entirely my own work written by me on the basis of my research.
In writing this text I did not use other sources or automatic text generation systems.
Copyright by Dariusz Prokopowicz
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Trees take up more carbon than other terrestrial plants. Paper traditionally was made from straw, bamboos, banana and other low carbon storing plants. Alternatively, fast growing high fibre products such as bamboo, grass and waste (straw) from grain be used for pulp production rather than wood.
Laws must be put in place to ban paper from wood and encourage other alternatives. It is possible.
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What are the positive effects of solar energy on the earth and role of green energy on the environment conservation?
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Dr Mark Anthony Castro thank you for your contribution to the discussion
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Does energy have an origin or root?
When Plato talks about beauty in the "Hippias Major", he asks: "A beautiful young girl is beautiful", "A sturdy mare is beautiful", "A fine harp is beautiful", "A smooth clay pot is beautiful" ....... , So what exactly is beauty? [1]
We can likewise ask, Mechanical energy is energy, Heat energy is energy, Electrical and magnetic energy is energy, Chemical and internal energy is energy, Radiant energy is energy, so what exactly is "energy"?[2]
Richard Feynman, said in his Lectures in the sixties, "It is important to realize that in physics today we have no knowledge of what energy is". Thus, Feynman introduced energy as an abstract quantity from the beginning of his university teaching [3].
However, the universal concept of energy in physics states that energy can neither be created nor destroyed, but can only be transformed. If energy cannot be destroyed, then it must be a real thing that exists, because it makes no sense to say that we cannot destroy something that does not exist. If energy can be transformed, then, in reality, it must appear in a different form. Therefore, based on this concept of energy, one can easily be led to the idea that energy is a real thing, a substance. This concept of energy is often used, for example, that energy can flow and that it can be carried, lost, stored, or added to a system [4][5].
Indeed, in different areas of physics, there is no definition of what energy are, and what is consistent is only their Metrics and measures. So, whether energy is a concrete Substance**, or is just heat, or is the capacity of doing work, or is just an abstract cause of change, was much discussed by early physicists. However, we must be clear that there is only one kind of energy, and it is called energy. It is stored in different systems and in different ways in those systems, and it is transferred by some mechanism or other from one system to another[9].
Based on a comprehensive analysis of physical interactions and chemical reaction processes, energy is considered to be the only thing that communicates various phenomena. Thus, "Energism" was born*[8]. Ostwald had argued that matter and energy had a “parallel” existence, he developed a more radical position: matter is subordinate to energy. “Energy is always stored or contained in some physical system. Therefore, we will always have to think of energy as a property of some identifiable physical system”. “Ostwald regarded his Energism as the ultimate monism, a unitary "science of science" which would bridge not only physics and chemistry, but the physical and biological sciences as well”[6]. This view has expressed the idea of considering "pure energy" as a "unity" and has assumed the process of energy interaction. However, because of the impossibility to determine what energy is, it has been rejected by both scientific and philosophical circles as "metaphysics" and "materialism"[10].
The consistency and transitivity of energy and momentum in different physical domains have actually shown that they must be linked and bound by something fundamental. Therefore, it is necessary to re-examine the "Energism" and try to promote it.
The relationship between energy and momentum, which are independent in classical mechanics, and their conservation are also independent. the momentum of the particle does not involve its energy. but In relativity, the conservations of momentum and energy cannot be dissociated. The conservation of momentum in all inertial frames requires the conservation of energy and vice versa. space and time are frame-dependent projections of spacetime[7].
Our questions are:
1) What is energy, is it a fundamental thing of entity nature**, or is it just a measure, like the property "label" of "beauty", which can be used by anyone: heat, light, electricity, machinery, atomic nuclei. Do the various forms of energy express the same meaning? Can they be expressed mathematically in a uniform way? Is there a mathematical definition of "energy"? ***
2) Is the conservation of energy a universal principle? How does physics ensure this conservation?
3) Why is there a definite relationship between energy and momentum in all situations? Where are they rooted?
4) If the various forms of energy and momentum are unified, given the existence of relativity, is there any definite relationship between them and time and space?
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* At the end of the nineteenth century, two theories were born that tried to unify the physical world, "electromagnetic worldview" and "Energism". We believe that this is the most intuitive and simple view of the world. And, probably the most beautiful and correct view of the world.
** If it is an entity, then it must still exist at absolute zero. Like the energy and momentum of the photon itself, it does not change because of the temperature, as long as it does not interact with each other.
*** We believe that this is an extremely important issue, first mentioned by Sergey Shevchenkohttps://www.researchgate.net/profile/Sergey-Shevchenko )in his reply to a question on Researchgate, see https://www.researchgate.net/post/NO1_Three-dimensional_space_issue; SS's reply.
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Referencs
[1] Plato.
[2] Ostwald identified five “Arten der Energie”: I. Mechanical energy, II. Heat, III. Electrical and magnetic energy, IV. Chemical and internal energy, and V. Radiant energy. Each form of energy (heat, chemical, electrical, volume, etc.) is assigned an intensity. And formulated two fundamental laws of energetics. The first expresses the conservation of energy in the process of transfer and conversion; the second explains in terms of intensity equilibrium what can start and stop the transfer and conversion of energy.
[3] Duit, R. (1981). "Understanding Energy as a Conserved Quantity‐‐Remarks on the Article by RU Sexl." European journal of science education 3(3): 291-301.
[4] Swackhamer, G. (2005). Cognitive resources for understanding energy.
[5] Coelho, R. L. (2014). "On the Concept of Energy: Eclecticism and Rationality." Science & Education 23(6): 1361-1380.
[6] Holt, N. R. (1970). "A note on Wilhelm Ostwald's energism." Isis 61(3): 386-389.
[7] Ashtekar, A. and V. Petkov (2014). Springer Handbook of Spacetime. Berlin, Heidelberg, Springer Berlin Heidelberg.
[8] Leegwater, A. (1986). "The development of Wilhelm Ostwald's chemical energetics." Centaurus 29(4): 314-337.
[9] Swackhamer, G. (2005). Cognitive resources for understanding energy.
[10] The two major scientific critics of Energism are Max Planck and Ernst Mach. The leading critic of the political-philosophical community was Vladimir Lenin (the founder of the organization known as Comintern). But he criticized not only Ostwald, but also Ernst Mach.
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André Michaud I'm betting on ignorance, until I be around 80, if still alive.
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How can we protect and preserve biodiversity and important strategy for the conservation of biodiversity?
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Dr Heitor Tozzi thank you for your contribution to the discussion
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Why conservation is the most important strategy and what is the most effective way to conserve the plant biodiversity of an area?
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Dr Pasupuleti Sivaramakrishna thank you for your contribution to the discussion
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We are software company in The Hague that has developed several tools and systems to process Earth Observation data (multispectral, radar) with specialization on the European Copernicus programme.
The European Space Agency is planning to publish tenders this semester in the following topics and we would like to match up with researchers and institutions in Europe that could lead a consortium:
- Innovative Analytics: Industrialization of AI Methods in EO
- EO for ClLimate and Seasonal Adaptive Agricultural Decision Support
- World AgriCommodities
- Ecosystem COnservation actions with CSOs/NGOs
- Embedding EO - regional porfolios for Central & South American monitoring & management support
Please contact us at info@geokapti.nl if you would like to discuss further.
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Dear Napoleon Eduardo Cornejo, what about african institutes that are interested in the project,
Regards,
Fils César
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Which is the most effective way to conserve the plant diversity of India and types of biodiversity conservation in India?
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Dr Majida Mohammad thank you for your contribution to the discussion
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How can we take care of plants for conservation of environment and measures taken by the Indian government to protect wildlife?
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Too bad there is a lot of poison and chemical fertilizer used in Ooty garden and I couldn't find what I wanted.
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Which is the most effective way to conserve the plant diversity of India and what are the strategies in protecting and conserving the ecosystem?
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Ecosystem strategy is a new approach to growth and innovation that helps enterprises build interconnected services to fulfil customers' primary needs in an integrated experience. Unique ecosystems should be preserved first. The resources should be utilized efficiently. Poaching and hunting of wild animals should be prevented. The reserves and protected areas should be developed carefully. There are three main reasons why we conserve: To repair some of the damage done by humans and maintain the environment for future generations. To maintain species diversity for our benefit and that of wildlife. To provide opportunities for education and the enjoyment of the environment. The most obvious reason for conservation is to protect wildlife and promote biodiversity. Protecting wildlife and preserving it for future generations also means that the animals we love don't become a distant memory. And we can maintain a healthy and functional ecosystem. The obligation to protect ecosystems encompasses measures relating to conservation, security and water-related disease, as well as technical and hydrological control mechanisms, such as the regulation of flow, floods, pollution, erosion, drought and saline intrusion. On-site conservation or the conservation of genetic resources in natural populations of plant or animal species is in-situ conservation. So the most effective way to conserve the plant diversity of an area is by creating a biosphere reserve. National parks, wildlife sanctuaries, and biosphere reserves are examples of protected regions where in-situ conservation is practiced. Ex-situ biodiversity conservation entails growing and maintaining endangered species in artificial habitats like zoos, nurseries, botanical gardens, gene banks, and so on.Conservation of biological diversity leads to conservation of essential ecological diversity to preserve the continuity of food chains. The genetic diversity of plants and animals is preserved. It ensures the sustainable utilization of life support systems on earth.
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What is most effective way to conserve plant diversity of an area and conservation of biological diversity under natural conditions is in situ conservation in India?
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Dr Przemysław Maksymowicz thank you for your contribution to the discussion
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Necesitamos identificar los efectos del cambio climático en la conservación del patrimonio cultural, con la intención de identificar posibles estrategias de adaptación a este y así evitar la pérdida irreversible de patrimonio tanto material como inmaterial.
No se conocen estadísticas ni indicadores a este respecto, por lo que se ha considerado interesante enviar un cuestionario a Administraciones públicas, universidades, especialistas, profesionales, empresas, organizaciones y, en general, todos los grupos de interés relacionados con la conservación y gestión del patrimonio cultural con la intención de conocer amenazas y riesgos concretos.
Se trata de un cuestionario de 20 preguntas específicas diseñado por los/as especialistas que componen nuestro Grupo de Trabajo para la Adaptación al Cambio Climático del Patrimonio Cultural Español. Esperamos que no les ocupe más de 5 minutos en contestar. Es importante que nos indiquen su afiliación profesional (institución/organismo/empresa para la que trabaja o a quien representa) en el campo habilitado para ello para poder garantizar que los datos extraídos provienen de profesionales y entidades con experiencia en el campo de la conservación y gestión patrimonial.
Publicaremos los resultados de la encuesta a través de un documento de buenas prácticas con estrategias de adaptación al cambio climático en el patrimonio español cuyo lanzamiento está previsto para finales de 2023.
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I think that this is possible through the usage of qualitative methodologies like the Loop analysis. In fact, by considering the effects of climate change on both the social and ecological spheres, it can be understood the influence of this negative phenomenon with respect to cultural heritage.
Possibly, proxies may be used, such as the native population or the number of people visiting museums and enrolling in humanities studies. However, it would be important to take into account also government incentives and plans, to avoid errors and bias.
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I want to know about the impacts of cloning process
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When you are talking about biodiversity on cloning, you are speaking about identical individuals, in this way of thinking, any disease that can affect one of those will exterminate the others by the time goes on... i think the effect on the local biodiversity can be overlayed by the years. (But i took it all from my butt.)
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What is the ecological importance of forest in India and why do we need to protect forests to conserve and restore our soil resources?
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Dr Shrinithivihahshini DandapaniIndrani thank you for your contribution to the discussion
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From,
2100010029- Nidhi Kurra
2100010030- Panchakarla Laasya Lalitha Sri
2100010038- Rushitha Deekshitula
2100010047- Vuppalapati Manogna
2100010072- Jeeshitha Kudithipudi
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Well, I think Jurassic Park had the right idea hehe :)
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What is conserving an ecological balance of resources to avoid depletion and how to maintain a proper balance between developmental activities and water conservation?
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Ecological balance is important for the health and stability of an ecosystem. In order for living organisms to coexist in a relatively stable state with the environment, systems of cycling and balance must keep the ecosystem sustainable. Sustainability as the avoidance of the depletion of natural resources in order to maintain an ecological balance. Environmental balance is maintained in the ways: Through continuous operation of various natural cycles such as the water cycle, carbon cycle, oxygen cycle and nitrogen cycle. It is also maintained due to the existence of various food chains in the ecosystem. Ecosystem controls essential ecological processes and promotes lives. Involved in the recycling of nutrients between biotic and abiotic components. It helps in maintaining the usual flow of energy in an ecosystem including- Carbon Cycle, Energy Cycle, Nitrogen Cycle, Oxygen Cycle, and Water Cycle. Rapid population growth can disrupt the ecological balance, also known as homeostasis. During homeostasis in an ecosystem, all of the different species are in balance. Their numbers may fluctuate slightly, but nominally stay the same over the course of time. A balanced ecosystem signifies a habitat which is sustainable. It consists of animals, plants, microorganisms and more which depend on each other and their surroundings. These ecosystems exhibit resourceful energy and material cycling. It also displays interconnectedness amid primary producers and predators. Instead of using non-renewable natural resources, use of renewable natural resources should be preferred. Waste water generated by industries should be recycled. We should use natural resources cautiously so that economic growth and ecological conservation go hand in hand. To maintain a balance between the environment and human development, it is necessary to strive for sustainable development to meet the needs of the present generation and conserve them for the future generation.
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How does high biodiversity help in maintaining the stability of an ecosystem and elements of life are are conserved as they are moved throughout the ecosystem?
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As energy moves through an ecosystem, it changes form, but no new energy is created. Similarly, as matter cycles within an ecosystem, atoms are rearranged into various molecules, but no new matter is created. So, during all ecosystem processes, energy and matter are conserved. Biodiversity is of critical importance to the stability of natural ecosystems and their abilities to provide positive benefits such as oxygen production, soil genesis, and water detoxification to plant and animal communities.
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Would anyone be able to recommend me any reference dedicated to determining False Discovery Rate? In the literature (social sciences), it is set at 0.05-0.1; I am mainly interested in learning in which situations it can be less conservative.
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Setting the False Discovery Rate (FDR) at 0.1 can be appropriate in several situations, especially when the research context prioritizes a higher sensitivity to detect potentially relevant findings. Here are some scenarios where a less conservative FDR threshold of 0.1 might be applicable:
  1. Exploratory Analysis: In exploratory research or when exploring a new area of study, a higher FDR threshold allows for a broader exploration of potential associations or relationships. It helps generate hypotheses and identify areas for further investigation.
  2. Large-Scale Studies: In studies with a large number of statistical tests, such as genome-wide association studies (GWAS) or high-dimensional data analysis, a more relaxed FDR threshold may be used to control the number of false discoveries while still capturing a substantial number of true positives.
  3. Early-Stage Research: In the early stages of research or when preliminary findings are being examined, a higher FDR threshold can be used to identify potential leads or patterns that can guide further research or hypothesis generation.
  4. Data Screening: When screening data for potential associations or patterns, a less conservative FDR threshold can be employed to identify initial candidates for further investigation.
It is important to note that the choice of FDR threshold should be made based on the specific research context, objectives, and the acceptable balance between false positives and false negatives. The appropriateness of a particular threshold can vary across disciplines and research fields.
Regarding references on determining the False Discovery Rate, here are a few resources that can provide more insights into the topic:
  1. Benjamini, Y., & Hochberg, Y. (1995). Controlling the false discovery rate: a practical and powerful approach to multiple testing. Journal of the Royal Statistical Society: Series B (Methodological), 57(1), 289-300.
  2. Storey, J. D. (2002). A direct approach to false discovery rates. Journal of the Royal Statistical Society: Series B (Statistical Methodology), 64(3), 479-498.
  3. Benjamini, Y., & Yekutieli, D. (2005). False discovery rate-adjusted multiple confidence intervals for selected parameters. Journal of the American Statistical Association, 100(469), 71-81.
These references discuss the theoretical foundations and methodologies for controlling the FDR in statistical analysis. They can provide a solid starting point for understanding and determining the False Discovery Rate in your research.
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i was reading about trophic ecology studies and this point get my attention, can someone indicate some references for i get my answer.
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ташаккур!
Ман кӯшиш мекунам, ки натиҷаҳои баъзе тадқиқотҳоро бубинам, то бубинам, ки тавассути натиҷаҳои онҳо чӣ пешгӯӣ кардан мумкин
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I'm interested in studying specific missense mutations in a human gene. My goal is to determine whether the mutated region of the protein is conserved across various species. Could you please guide me on how I can use in silico tools to find homologous protein sequences and identify their conserved regions?
Thank you very much
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That's a good approach Susanta Roy I would add that once you are working with your multiple sequence alignment (MSA) in Jalview (https://www.jalview.org), you load an experimental 3D protein structure, or an AlphaFold model (all possible from Jalview, just right-click on a sequence label), and visualise the mutations and conservation scores on the structure too. Jalview makes this easy by colouring the structure by the sequence, so you can choose to colour by conservation and add features to represent your mutations and they will instantly be viewable on the structure.
The other thing I would add is that in addition to BLASTing the full-length protein, have a look at it on InterPro and see what domains it has. Then you can work with curated MSAs from the individual domains too.
Great question Muhammad Abrar Yousaf !
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I am working on identifying conserved regions in multiple bacterial genomes or larger genomes quickly, but they are too large for multi-alignment. Can you suggest any alternative approaches or tools that I could use to locate these regions?
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Thank you so much! Robert Adolf Brinzer
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To calculate pocp, I download proteins from genbank assembly and have them calculated according to blastp, but some bacteria do not give any results. why?
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For some annotators, the syntax/methodology might be different, thus, downloading annotated genomes from NCBI can lead to incompatibility between annotation outputs. It would be wise to have the .fna* files, and try to re-annotate them all using the same annotator, this could fix your issue.
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Hi all,
I am currently working on simulating a water jet problem, where water is injected from the left boundary and exits the domain through the right boundary. However, I am facing a challenge of keeping both momentum and mass conservation at the same time. In order to ensure mass conservation in the scenario where a single two-dimensional jet evolves into multiple droplets, it is necessary to enforce the condition that the outlet flux, represented by the product of the cross-sectional area of the droplets (S2) and their velocity (u2), is equal to the inlet flux, represented by the product of the initial cross-sectional area of the jet (S1) and its velocity (u1). Since S2 is typically greater than S1, it follows that u2 must be smaller than u1 to maintain mass conservation. However, this approach alone does not guarantee momentum conservation.
ps: I am using my own code for the simulation and it is an incompressible flow solver, which has been validated in many benchmark cases. The physical properties in my code jump across the interface without any diffusion.
Best regards,
Min Lu
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Hi
It may say that you do the simulation with your own code, or with Fluent or CFX?
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Dear all,
I am analyzing my bulk RNA sequencing data now and I would like to conduct a GSEA analysis based on the counts file.
Because of the lack of proper prior data set in the MSigDb, I have to make a prior data set by myself. I read some literature and see how they make it. For example, in the figure4c of paper from Mijnheer,G et al, they use the core Treg genes as prior gene set. I traced back to the literature which they used for setting the prior gene set. The core Treg gene list actually includes the down- and up- regulated genes in Treg cells compared to conventional T cells. Whereas it is not clearly clarified in the paper from Mijnheer,G et al whether they use the up- and down- regulated genes in core Treg or they just used all differentially expressed genes as a prior gene set.
However, I checked the data sets from MSigDb, their prior datasets are normally seperated into up- and down- regulated genes.
How could I properly make a prior data set for GSEA analysis? Using all differentially expressed genes or separate the up- and down- regulated genes?
Thank you very much!
Reference:
Mijnheer, G., Lutter, L., Mokry, M. et al. Conserved human effector Treg cell transcriptomic and epigenetic signature in arthritic joint inflammation. Nat Commun 12, 2710 (2021). https://doi.org/10.1038/s41467-021-22975-7
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A prior dataset? Like a counts file with samples you want to analyze? If so, you can look at TCGA or so many bioinformaticians with Githubs have sample data they use for their analysis.
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"Restrict from EMBOSS Suit version 6.3.1 with the following parameters: snucleotide1, sitelen = 4, rformat = table, enzymes = enzymes.txt. From the 4379 enzymes present in REBASE, we selected the 650 restriction enzymes that were commercially available, since this assay is meant to be used in any laboratory. From the 650 enzymes, 152 digest all P. salmonis sequences and only 65 recognized conserved restriction sites in the complete set of sequences, generating the same/similar restriction pattern (same number of bands and similar sizes)"[https://www.frontiersin.org/articles/10.3389/fmicb.2016.00643/full]
I have two sequences corresponding to the 16s rRNA gene for two strains of a certain species. I simulated the restriction digestion of these sequences using a restriction enzyme.
How do i figure out if a recognition sequence is conserved or not, if the coordinates of the cut are not the same in the sequences?
What i want to say is that they could be different for two reasons: A-not conserved or B-conserved but there was some base insertion/deletion that lead to this position mismatch.
I guess i would need some tolerance, how do i figure this tolerance value and how do i apply it?
(the sequences are flanked by the same primers motifs.)
Emboss's restrict:
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One way to approach this problem is to use a sequence alignment tool that allows for mismatches, such as EMBOSS Needle or Clustal Omega. These tools can align the two sequences and identify conserved regions where the recognition site for the restriction enzyme is located. Once you have the alignment, you can visually inspect the alignment to identify mismatches and assess whether they are due to insertions/deletions or lack of conservation in the recognition site.
Another approach is to use a tool that can search for motifs in sequences with mismatches, such as MEME Suite or FIMO. These tools can search for a specific recognition site in both sequences, allowing for mismatches and insertions/deletions. The output will indicate whether the recognition site is present in both sequences and if it is conserved.
In terms of determining a tolerance value, this will depend on the specific restriction enzyme and the level of conservation in the recognition site. You may need to experiment with different tolerance values to determine the best approach for your specific case.
These video playlists might be helpful to you:
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Which method is best used to conserve soil samples before determining dissolved organic carbon (DOC)? Freeze or dry?
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Dear Phlina, how did you treated frozen soil for DOC determination. could you share me the detail protocols? Thanks in advance.
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The energy operator ih∂/∂t and the momentum operator ihΔ or ih∂/∂x play a crucial role in the derivation of the Schrödinger equation, the Klein-Gordon equation, the Dirac equation, and other physics arguments.
The energy and momentum operators are not differential operators in the general sense; they do play a role in the derivation of the equations for the definition of energy and momentum.
However, we do not find any reasonable arguments or justifications for the use of such operators, and even their meaning can only be speculated from their names. It is used without explanation in textbooks.
The clues we found are:
1) In the literature [ Brown, L. M., A. Pais and B. Poppard (1995). Twentieth Centure Physics (I), Science Press.], "In March 1926, Schrödinger noticed that replacing the classical Hamiltonian function with a quantum mechanical operator, i.e., replacing the momentum p by a partial differentiation of h/2πi with position coordinates q and acting on the wave function, one also obtains the wave equation."
2) Gordon considered that the energy and momentum operators are the same in relativity and in non-relativism and therefore used in his relativistic wave equation (Gordon 1926).
(3) Dirac also used the energy and momentum operators in the relativistic equations with electron spins (Dirac 1928). Dirac called it the "Schrödinger representation", a self-adjoint differential operator or Hermitian operator (Dick 2012). (D).
Our questions are:
Why can this be used? Why is it possible to represent energy by time differential for wave functions and momentum by spatial differential for wave functions? Has this been historically argued or not?
Keywords: quantum mechanics, quantum field theory, quantum mechanical operators, energy operators, momentum operators, Schrödinger equation, Dirac equation.
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The fundamental property of these operators is that they describe translations in time and space respectively.
Energy conservation expresses invariance under time translations and momentum conservation expresses invariance under spatial translations.
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Dear all,
On the occasion of the International Day of Forests on  March 21st, a group of forest scientists of the Forests and Societies Research Unit of Cirad, will publish in the French online newspaper Reporterre which has about 1.5 million readers per month an opinion column to recall the urgent need to conserve and to safeguard the  tropical forests. Please take few minutes to read it and if you agree with the contents, please sign it by filling the form available on this link: https://forms.gle/r981va1BNEEz8yfC9
before March 13th, Midnight CET.
By signing this paper you are signing as an individual but you can also indicate your institution. The list of signatories and their institution (if you indicate it) will also be published on the Reporterre website with the paper.
We hope that this opinion paper will reach a large public and will be  of interest for others medias. With this, we hope that we will be able to increase our visibility and get opportunities to talk further about the urgency in saving the tropical forests.
Please do not hesitate to disseminate this message to your scientists and students networks.
So far we gather 350 signatures
cheers
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Dear Plinio. I just saw this message and see I am out of time. Sorry! I hope things are going well over there. In France now?
best,
Cristina
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How to use pollen data to make informed decisions about environmental management and conservation strategies ?
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Pollen data can give information about the local vegetation and guide public health policies about seasonal allergies. Pollen data is not likely to guide conservation (biodiversity) since almost all of the pollen observed in atmospheric samples would be from common species that are not relevant in biodiversity conservation.
Even with the use of eDNA techniques that can identify species that could be important in conservation could be the result of incomplete taxonomical databases, and therefore not accurate in identifying species of interest.
It is possible however to identify species that should not be present in the local flora (invasive species) through the pollen record, and thus support conservation efforts by locating and trying to contain these plant populations.
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What are the goals of sustainable development in India and do you promote sustainable development and environment conservation?
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Sustainable development always encourages us to conserve and enhance our resources, by gradually changing the manners in which we develop and use technologies. Sustainable development always encourages us to conserve and enhance our resources, by gradually changing the manners in which we develop and use technologies. Sustainable development promoting the kind of development that minimizes environmental problems and meets the needs of the present generation without compromising the ability of the future generation to meet their own needs. End poverty in all its forms everywhere. End hunger, achieve food security and improved nutrition and promote sustainable agriculture. Ensure healthy lives and promote well being for all at all stages. Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all. Sustainable development continuously seeks to achieve social and economic progress in ways which will not exhaust the Earth's finite natural resources. Thus, we must all develop ways to meet these needs so that our future generations can inherit a healthier and greener planet.
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The above of our two research articles are two of our important efforts on how to conserve the soil and use it for the enhancement of reforestation to mitigate climate change impacts such as Urban Heat Island, loss of endemic species, scarcity of water and greenhouse gas emissions which are the leading concerns in urban built environment. Our articles have addressed a way to achieve the sustainable development goals such as SDG6, SDG12 and SDG 13.
Soil resources are most critical prerequisites those need to be conserved, utilized and given back to the earth to enhance the sustainable existence of living organisms. Current technological trends are mostly focusing on mining the soil resources and fulfilling the human needs using anthropogenic activities. This trend needs to revisit, addressed the research gaps and more interests need to be shown by researchers and stakeholders to enhance the optimum usage of soil resources with minimal harmful effects to nature.
I request the researchers to provide your opinions in this regard. Thank you.
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Altered climate will have an effect on soil processes and properties at least some soils may become net sources of atmospheric C, lowering soil organic matter levels. Soil erosion by wind and water is also likely to increase. Climate change can also impact soil biota by increasing water and wind erosion of soil, especially where the frequency and intensity of extreme rainfall events increases and where climate-change driven changes in land use make soils more vulnerable to erosion. Climate change is one of the main drivers of biodiversity loss, but destruction of ecosystems undermines nature's ability to regulate greenhouse gas (GHG) emissions and protect against extreme weather, thus accelerating climate change and increasing vulnerability to it. Soil is by far the most biologically diverse material on Earth. Soil contains a large variety of organisms which interact and contribute too many global cycles, including the carbon and nitrogen cycles. Soil provides vital habitats for micro-organisms such as bacteria, fungi, as well as insects and other organisms. They make nutrients available to plants through interactions with other soil organisms and abiotic factors such as temperature, pH, and moisture content. Nutrients derived from organic matter can reduce the reliance and misuse of synthetic inputs. Organisms living in the soil provide many essential services to humankind. They support food production by helping plants to grow, and they play a key role in controlling nutrient cycles and thus in regulating the Earth's climate. Soil provides ecosystem services critical for life: soil acts as a water filter and a growing medium; provides habitat for billions of organisms, contributing to biodiversity; and supplies most of the antibiotics used to fight diseases. Soil provides nutrients, water and minerals to plants and trees, stores carbon and is home to billions of insects, small animals, bacteria and many other micro-organisms.
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Hello, I am very interested in the current research topics that are based on studies related to the change in the consumption behavior of agro-food products of the population. What is true, what is myth and what are actually the real options of consumers, when we want to know what are the sustainable foods preferred by consumers. Are the differences between generations that big? Are the conservative choices of the over-50s scientifically backed?? Thank you!
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There are various factors that influence consumers' preferences for sustainable agro-food products. Some of these factors are based on actual research and data, while others may be myths or misconceptions. Here are some common true and false statements about consumer preferences for sustainable agro-food products:
True:
  1. Consumers are increasingly interested in sustainable agro-food products: There is growing evidence to suggest that consumers are becoming more aware of the environmental impact of their food choices and are actively seeking out sustainable options.
  2. Certification programs matter: Many consumers look for certifications such as USDA Organic, Rainforest Alliance, or Fair Trade to guide their purchasing decisions. These certifications provide a level of assurance that the product has been produced sustainably and ethically.
  3. Price is a factor: While consumers may want to choose sustainable products, price is still a major consideration. Sustainable options are often more expensive than their conventional counterparts, which can be a barrier for some consumers.
  4. Packaging matters: Sustainable packaging, such as compostable or biodegradable materials, is an important factor for many consumers when making purchasing decisions.
False:
  1. Consumers will always choose sustainable options: While there is a growing interest in sustainable agro-food products, not all consumers prioritize sustainability over other factors such as taste, convenience, or cost.
  2. Consumers understand all the sustainability labels: While certification programs can be helpful, many consumers do not fully understand what each label means or what standards they represent.
  3. Sustainable products are always better for you: While sustainable products are often better for the environment, they may not always be healthier or more nutritious than conventional products.
  4. Consumers only care about the environment: While environmental sustainability is an important factor for many consumers, some also prioritize social sustainability and ethical production practices.
Thank you for your precious time.
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how do cultural practices help to conserve natural resources
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As a person with Native heritage from my father's side, my great grandmother Hannah of the Deer Clan of the Tuscarora Nation of North Carolina, there are many, many differences in the world views ( or as my German ancestors would say, the "Weltanschauung") of a people who have lived in a land for over 10,000 generations vs. my European ancestors who have only live in the Americas for less than 10 or 12 generations.
Newcomers are not coming to blend in and 100% fully adopt the current life-ways that had been established for thousands of years. In fact, they kept themselves completely separate from the existing cultures, it was illegal to marry, and for the Native people, it was illegal to continue to live your own lifestyle, as Ishi pointed out, was the last "wild" Indian in North America.
The Europeans went to the Americas and Australia and Africa to destroy those thousands of years of lifestyles, and overlay the European pattern on top, and plowing up all of the sacred grasslands, and diverting and damming the rivers so that the salmon could no longer spawn, and killed every passenger pigeon in the sky and nearly every buffalo.
And adding exotic plants and weeds, and letting loose millions of feral cats here in California, and completely destroying our grasslands here and in the Mid-West. My town here in the san Francisco Bay area, has crazy cat ladies of European ancestry trapping feral cats from other communities and dumping them here at the rate of 1,000 a year.
On my street alone, I have trapped 180 cats so far. The newcomers seem to have zero respect for the natural ecosystems of where they have moved to, and no awareness or respect for the balances that the Native people worked so hard for thousands of years, to maintain.
When a newcomer, come to your continent, where over the thousands of years your people have created an ecological sustainable balance, and then some newcomers come and not only upset that balance, but they take that balance and completely destroy it, so it will take several thousand years to put that balance back in place, if it is even possible to do so.
A good book to read on the Native perspective is "Lame Deer, Seeker of Visions"
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It is important to identify which are the priority of CWR populations to actively conserve?
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CWR? A population? Unless you are a zookeeper; I would think in terms of management rather than specific conservation. When you focus on a single species, you lose focus on all the connected organisms.
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In the medical field, many journals encourage publishing study protocols. What are the equivalent journals for integrative biology?
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That is a nice journal for presenting new methods, but this is not the same thing as a study protocol. So I am using language that is not clear, obviously. I'm sorry.
Let us define a "study protocol" as the set of instructions that stipulates how an scientific experiment is to be performed. It usually involves hypothesis testing, power analysis, a description of the variables involved and a statistical analysis plan.
Let us define a "method" as a guide to the correct generation of data or the correct way to perform an assessment. An SOP for DNA extraction would be a method.
I am interested in publishing study protocols, which is a common event in medicine (see the journal "Trials"). PLOS One allows the publication of study protocols in all domains, and I am looking for additional journals that also allow this (and specifically for Integrative Biology).
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I want to test the efficacy of a head starting program on a specific lizard species, but I am unsure of how to do this correctly on the simulation software Vortex. I believe I have to create state variables for this, but I don't know how to write the transition function. Can anybody help me out or provide me with a source that I can follow?
Thank you in advance.
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To test the efficacy of a head starting program for a specific lizard species using the simulation software Vortex, you will need to create state variables and a transition function to model the growth and development of the lizards.
A state variable is a variable that represents the status of the system being modeled. In this case, you would need to define state variables that represent the characteristics of the lizard population, such as the number of individuals, their age, size, or body condition.
The transition function is a mathematical formula that describes how the state variables change over time. The transition function takes the current state variables as inputs and calculates the new values for the state variables based on the underlying biological processes that drive the growth and development of the lizards.
Here is a general outline of how you could write the transition function:
  1. Define the state variables: Start by defining the state variables that you will use to model the growth and development of the lizards. For example, you might use variables such as number of individuals, mean body size, mean body condition, and age.
  2. Identify the underlying biological processes: Next, you need to identify the key biological processes that drive the growth and development of the lizards. For example, you might consider factors such as food availability, predator pressure, temperature, and disease.
  3. Write the transition function: Using the state variables and the underlying biological processes, you can write the transition function that describes how the state of the system changes over time. For example, the transition function for the number of individuals might take into account the birth rate, death rate, and immigration rate.
  4. Incorporate the head starting program: To test the efficacy of the head starting program, you would need to modify the transition function to account for the effects of the program. For example, you might add a term to the transition function that increases the size or body condition of the lizards based on the conditions provided by the head starting program.
  5. Validate the model: Finally, you should validate the model by comparing the simulated results to data from real populations of the lizard species. You can use this information to refine and improve the model as needed.
This is just a general outline and the specific details of the transition function will depend on the characteristics of the species you are modeling, the data available, and the goals of your simulation. It is advisable to consult with a specialist in the field of simulation modeling or in the biology of the species you are modeling to ensure the validity of your model.
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We are planning to design primer/probe targeting the conserve sequence of a specific gene. We are struggling to find the conserve region. Which approach/tool is applicable to find the conserve region of a specific gene?
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Thank you, Yoav Lubelsky
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I have a few proteins that have just the conserved domains, the rest of the amino acid sequences are dissimilar. Can anyone suggest a few articles on analysing such proteins and drawing evolutionary inferences?
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It's impossible to draw evolutionary inferences in science since evolutionary hypotheses cannot exclude other possibilities, such as creation or spontaneous generation :)
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community based conservation can be done in what type of forest tree species?
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The major objectives of community based conservation in forestry are:
1. Engaging local stakeholders and empowering them to take part in the management of their forests;
2. Promoting local knowledge and traditional ecological practices to maintain sustainable forest resources;
3. Encouraging sustainable economic development through the use of forest products;
4. Restoring the genetic diversity of native tree species;
5. Protecting wildlife habitats and preserving biodiversity;
6. Establishing conservation areas and establishing buffer zones to protect sensitive ecosystems;
7. Promoting sustainable forestry practices that are ecologically sound and economically viable;
8. Developing educational and training programs to increase awareness and understanding of the importance of sustainable forestry.
Generally, Community based conservation can be done in any type of forest tree species, from coniferous to deciduous and from tropical to temperate.
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When we talk of culture we mean a way of life either certain community or group of people in a certain area just an example. Now then how does this culture affect conservation?
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Dear Timothy,
Such an important discussion....
Regardless, I believe culture can have a significant impact on conservation efforts. For example, cultural norms and values can influence how people view the environment and wildlife, and this can shape how people interact with the natural world. For example, in some cultures there may be a strong emphasis on traditional hunting or fishing practices, or a heavy reliance on natural resources for subsistence, both of which can have a negative effect on wildlife and habitats. On the other hand, cultures that promote sustainable practices and a respect for nature can have a positive effect on conservation efforts. For example, many Indigenous cultures have a long history of sustainable resource use, such as harvesting fish and game for subsistence. These practices can be beneficial for conservation and can be used to inform conservation efforts in other areas.
Thank you.
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There are four known genes encoded by HB genome called C, P, S, and X. Some studies developed detection assay targeting the conserve region of the S gene, and some targeted conserve regions of both the S & C gene. Again, I found a commercial kit targeting the X gene's conserve region.
Which factors should be taken into consideration during targeting genes for HBV detection assay development?
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These are the three most conserved regions in HBV genome. S region offers additional advantage as gene deletion is least reported in this region.
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It can be a challenging issue that young people have minimal concentration on nature and biodiversity due to their regular and deeper engagement on social media. They are going to forget natural phenomena and their dynamic ecological system without which the co-existence of humans would be impossible. We get food, fodder, oxygen, and every raw material to run industries from nature which is our real feeder. It is urgent to think from now onwards to activate youth towards nature and its conservation addressing burning issues of climate change and global warming through discussion, education, and awareness campaigns to save our souls through the conservation of nature. Thus, a discussion on the strategic presumption needs to be forwarded through intellectuals.
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The following strategies may be implemented:
1. Establishing Nature Clubs: Establishing nature clubs at schools and colleges will help the students to understand the importance of nature and its conservation. These clubs should be encouraged to organize outings, seminars, and workshops in order to increase the awareness of nature and biodiversity among the youth.
2. Digitalizing the Awareness: Social media can be used to spread awareness about nature and biodiversity. The youth can be encouraged to post videos and pictures of nature and its conservation efforts on their social media accounts.
3. Engaging with Nature: Providing opportunities to the youth to engage with nature directly can help them to understand the importance of conservation. This can include arranging trips to nature reserves and national parks, engaging in activities like birdwatching, tree planting, etc.
4. Educating the Youth: Educating the youth about the importance of nature and biodiversity through lectures and seminars can help them to understand the importance of conserving nature.
5. Incentivizing the Youth: Incentives such as awards and certificates can be given to the youth who actively participate in nature conservation efforts. This will encourage more youth to take part in such activities. These strategies can help to encourage the youth to concentrate on nature and biodiversity, despite their high concentration on digital technology. The youth will be able to understand the importance of nature and its conservation, and become more active in preserving it.
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I would like to conserve root samples for FCR analysis until I receive the chemical product bathophénanthroline disulfonic Acid 98% needed for the analysis.
Could you please inform me about the best way to preserve root samples for this kind of analysis?
Does freezing at -30°C enough? or-80°C?
Thank you for your help.
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I agree with Peter Donkor :)
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I'm using free-floating brain sections in IHC, but am trying to adjust for the addition of the mesh insert. Without it, I'd use 1 mL, but I'm not certain how much solution will be needed to account for the insert. Is 1.5 mL enough? 2 would likely be safe, but I'm trying to conserve antibodies. Any suggestions would be appreciated!
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The amount of solution you will need to use for IHC (immunohistochemistry) when using free-floating brain sections with a mesh insert will depend on the size and shape of the mesh insert and the volume of the brain sections. It is not uncommon to use slightly more solution than you would normally use for IHC without a mesh insert, as the insert can increase the surface area of the tissue and may require additional solution to fully cover the tissue.
Based on your description, it is possible that 1.5 mL of solution may be sufficient to cover the tissue when using a mesh insert. However, it is always a good idea to test different volumes to determine the optimal amount of solution for your specific experimental setup. For example, you could try using 1.5 mL of solution and see if the tissue is fully covered, and then adjust the volume as needed.
It is also worth noting that the type of solution you are using and the size of the brain sections may also affect the amount of solution you need. For example, if you are using a more viscous solution or larger brain sections, you may need to use more solution to ensure that the tissue is fully covered.
In general, it is always a good idea to carefully consider the specific requirements of your experimental setup and to test different conditions as needed to ensure that you are using the optimal amount of solution.
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How to, numerically, solve a one dimensional fully coupled system of two PDEs, moisture and heat conservation equations, with two dependent variables?
PDEs are for the coupled process of heat and moisture transfer by a system of two nonlinear partial differential equations which uses the temperature and the water potential gradients as driving potentials.
The PDEs are attached!
Any help would be greatly appreciated!
Thanks
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A generalised additive model could be it :)
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"Law Of Conservation Of Energy" states that a single quanta of energy can not be generated and other hand Big Bang theory states that Universe generated by a Big Bang . How both theory can be true ?
Only one theory can be true , question is which one ?
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Pushpendra Pal Singh This is an excellent point. I remember watching a YouTube presentation in which it was clearly stated that the Big Bang theory did not conform to the law of conservation of energo.
Then I recall reading an excellent book by Paul Dirac titled General Relativity in which he stated “In the presence of space curvature, conservation of energy is only approximate. This got me thinking that to have an accurate conservation of energy law we need to include Spacetime curvature.
The Einstein equations of GR suggest that we should take total energy as mass + energy + Spacetime curvature. Then the expansion of curved space gives us a source of energy for matter formation.
So I would keep the law of conservation of energy (with a modified definition of total energy) and discard the Big Bang theory.
Richard
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I just have do an multiple sequence alignment (about 15000 sequences) between different strains of a bacteria for determine its conserved regions, but near of 1% of sequences have 80 or 85% of identity and it generate problems for the determination of conserved regions, that sequences could be the same gene or could be a wrong of the sequencing uploaded to the database?
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Hi Juan Carlos Cambronero-Heinrichs! The aligned sequences corresponds to the AdeB gene for A. baumannii downloaded from a database. In the case of the variable sequences, I have searched it in BLAST and I have found that all the sequences shows 100% of identity for adeJ gene, this gene codifies AdeJ protein, a homologue protein to AdeB. This likely could be related to the fact that when that genomes were sequenced, adeJ wasn't discovered yet and in the annotation process, adeJ was named adeB because that gene is similar to adeJ. Fortunately, there are more than 1 genomes sequenced for the same strain and in ones the gene is named adeB and for others in the same position, the gene was named adeJ.
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Hi,
I tried multiple aminoacid alignement (with homologous crystalized enzymes) using Clustal omega to identify the glutamate residues. The alignement revealed the presence of several conserved motifs. But I am not able to know which Glu in my enzyme is involved in the catalytic activity.
Any help would be greatly appreciated.
Thank you in advance.
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Jihene Maati Assalam o alaikum wa rahmatullabhi wa barkatuhu
Hope you doing well
As you said about the catalytic region in which Glu is present or not? So, you should go through the experimental article on that enzyme targeted and read it thoroughly about the catalytic site and search for your required residue. On the other hand, many servers are available to figure out the catalytic site so you also can go through it.
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Kindly suggest me any tool or online server to find KL (Kullback-Leibler) conserve score.
Thank you!
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Thank you so much Len Leonid Mizrah
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To date, there have been two Redlists on fishes published in Bangladesh by IUCN, in 2000 and 2015. Both are focused mainly on inland fishes. Is there any work on marine fishes of Bangladesh? We had a publication, where we listed the threatened marine fishes of Bangladesh based on the global evaluation by the IUCN.
Hossain, M.A.R. and Hoq, M.E. 2018. Threatened Fishes and other aquatic animals of Bay of Bengal. FAN – Fisheries & Aquaculture News 5: 37-39.
I am looking for other works, publications and reports in this regard.
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Sorry, I was hoping to help you
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A good book can be an important teaching aid for undergraduate and postgraduate students as well as a useful reference for professionals at all career stages.
On the topics of wildlife habitat restoration or habitat conservation, which books would you recommend and why?
Looking forward to seeing your suggestions. Links to published book reviews also encouraged.
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Hello Mr. Nathan J. Roberts. Here are two books recommended by my colleagues, one book in Bahasa Indonesia and another one in English.
1. Konservasi biodiversitas : teori dan praktik di Indonesia / Jatna Supriatna
2. Wildlife Habitat Conservation: Concepts, Challenges, and Solutions
Johns Hopkins University Press
I hope it could help.
Best regards,
Surya Bagus Mahardika
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The wood of the endangered tree species Paubrasilia echinata (previously Caesalpinia echinata), has traditionally been used for making string instrument bows. Currently, there is a discussion about how best to conserve this species. In particular, there is an initiative to upgrade its international conservation status on CITES, which would lead restriction of Brazilwood trading . Bow makers and related industries are presently lobbying against the CITES upgrade. I find it difficult to obtain unbiased, objective information on how to best address this problem from a conservation perspective. Can anyone please comment? Many thanks,
Thomas
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Against the background of the obviously critical population situation of the species and the fact that - as far as I understand it correctly - there has been no substantial improvement over the last decades, it seems to me that it is appropriate to suspend the trade. At the same time, those who are locally dependent on the wood product should be supported structurally and financially in order to rebuild tree populations of the species in the medium and long term that will later be suitable for economic exploitation again. This may be the case in 30, 60 or 120 years. The decisive factor for that point in time is that the conservation status of the tree species has significantly improved.
This is just an opinion, I am not personally involved with work on this tree species or similar cases.
I understand that the background and interrelationships are otherwise complex and should certainly be taken into account (see Lichtenberg et al 2022). However, this should not affect the basic decision to protect the species.
Lichtenberg, S., E. Huber-Sannwald, J. Reyes-Agüero, D. Anhuf, and U. Nehren. 2022. Pau-brasil and string instrument bows
telecouple nature, art, and heritage. Ecology and Society 27(1):32. https://doi.org/10.5751/ES-13047-270132
Research
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Could anyone give a detailed description of the difference between conservation of energy and invariance? Is there invariance of energy at all? Or, at least give the differences between CONSERVATION, INVARIANCE, and SYMMETRY. Standard books in these areas do not give the differences between these!
Raphael Neelamkavil
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In physics and chemistry, the law of conservation of energy indicates that the total energy of an isolated system remains constant; it is said to persist over time. This law, first proposed and tested by Emilie du Chatelet, means that energy cannot be created or destroyed; rather, it can only be transformed or transferred from one form to another. For example, chemical energy is converted to kinetic energy when a stick of dynamite explodes. If you add up all the forms of energy that were released in the explosion, such as the kinetic energy and potential energy of parts, as well as heat and sound, you get the exact reduction in chemical energy when dynamite burns. Classically, the conservation of energy was distinct from the conservation of mass; however, special relativity has shown that mass is related to energy, and vice versa, E = mc, and science now believes that mass-energy is generally conserved. Theoretically, this means that any object with mass can itself be converted into pure energy, and vice versa, although this is believed to be possible only under the most extreme physical conditions that probably existed in the universe shortly after the Big Bang or when black holes emit radiation. Hawking. The conservation of energy can be rigorously proven by Noether's theorem as a consequence of the continuous time translation symmetry; that is, because the laws of physics do not change over time. A consequence of the law of conservation of energy is that the perpetual motion machine of the first type cannot exist, that is, no system without an external source of energy can provide an unlimited amount of energy. amount of energy for the environment. For systems that do not have time-shift symmetry, it may not be possible to determine the conservation of energy. Examples include curved spacetime in general relativity, or time crystals in condensed matter physics.
The variation of the parameters of length, duration and angular characteristics as part of the principle of least action cannot cancel it in any way. It is untenable to assert that the law of conservation of energy follows from the homogeneity of time. Agreeing with this statement, we will have to consider that, along with the homogeneity of time, there is also its heterogeneity, which is allegedly incompatible with the law of conservation of energy. But it is impossible to introduce a correct definition of time inhomogeneity. The law of conservation of energy is not correlated with the homogeneity of time, but with its entire nature. The opposition between the homogeneity and heterogeneity of time, as well as the homogeneity and heterogeneity of space, as well as the isotropy and anisotropy of space, is untenable. Without ignoring the principles of physical theory, it is impossible to give a consistent interpretation of the homogeneity and heterogeneity of time and space and, accordingly, the isotropy and anisotropy of space.
The principles of invariance are usually highly valued by physicists. In this regard, the conclusion reached by the Nobel laureate E. Wigner deserves attention: “It is the transition from one step to another, higher one - from phenomena to the laws of nature, from the laws of nature to symmetry, as the principles of invariance, - is what I call the hierarchy of our knowledge of the world around us.
E. Wigner believes that knowledge has three stages: single events → laws → principles of invariance.
Of course, he is right in many respects. Nevertheless, some adjustment of his conclusion may be appropriate. As emphasized above, there is no more important concept in physics than the original dynamic principle. Taking into account this circumstance, Wigner's scheme should be extended: single events → laws → principles of invariance → dynamic principle.
And, of course, it must be taken into account that the Wigner scheme of cognition refers to only one stage of transduction, namely abduction. If we have in mind the scientific explanation (deduction), then it does not end with a dynamic principle, but on the contrary, it begins with it: a dynamic principle → principles of invariance → laws → individual events.
The dynamic principle is more relevant than the principles of symmetry. Symmetry is defined by dynamics.
Conservation laws are derived from the principles.
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Organisations that host conservation data, especially highly processed data - such as IUCN range maps, seem to becoming inaccessible for 'commercial use'. Ironically this seems to be in contradiction to the main aims of these organisations, which is ultimately to reduce extinction and biodiversity loss. Environmental consultants are probably the main users of these data when it comes to conservation, and yet access is hindered (written requests), or behind paywalls sometimes with excessive charges (especially for individuals or small businesses). Often these data are the end of a long process with inputs (volunteering included) from many individuals and organisations for the purpose of conservation and not to make money.
The goal is conservation and the data exist, why limit access to conservation practitioners? Why are we paying? Sure, data storage and updating and curating data costs money, but how much should it cost? Who should be paying? Surely there is a better way that promotes conservation while maintaining running costs of said conservation organisations?
Some examples of data include: IUCN Red List range maps, Important Bird Areas (Birdlife), Key Biodiversity Areas, to name a few that come to mind.
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Hello Alexander; Nearly all the organizations you have in mind are grossly underfunded. The databases that they curate are generally reliable and accurate. It is expensive to maintain that level of curation. Where does the money come from? We all want (need) access to the resource.
Most of the beneficiaries of conservation efforts - the society generally - are unaware of the intricacies of the research and so aren't generally willing to be taxed to pay for the research. Hmmm.
Best regards, Jim Des Lauriers
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How can instruments and systems for the conservation of nature, the biosphere, the highly biodiverse coral reef ecosystems of the seas and oceans be improved?
The ongoing process of global warming is also causing, among other things, an increase in the temperature of the seas and oceans. This increase in temperature and the increase in the scale of water pollution in the seas and oceans is causing the death of coral reefs, which have formed over millions of years and have developed the most biodiverse ecosystems of the seas and oceans.
In view of the above, I address the following question to the esteemed community of researchers and scientists:
How can instruments and systems for the conservation of nature, of the biosphere, of the highly biodiverse coral reef ecosystems of the seas and oceans be improved?
What is your opinion on this?
What do you think about this topic?
Please reply,
I invite you all to discuss,
Thank you very much,
Best regards,
Dariusz Prokopowicz
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Dariusz Prokopowicz : Firstly, Coral reefs systems consist of both coldwater/deepsea corals, and tropical coral reefs with associated ecosystems of mangroves, seagrass beds, etc. Hence, anthropogenic causes (including IPCC's position that climate change is mainly due to anthropogenic GHGs emissions) of the deteriorating conditions of these coral reefs can differ. For example, deepsea corals which are NOT zooxanthellae-linked located off New Zealand or off the Nordic margin (off Norway) etc are threatened by oil & gas drillings and activities. The tropical coral reefs and associated ecosystems are damaged, inter alia, by coastal areas development (cities, military bases, unsustainable agriculture/aquaculture, tourism, etc, contributing to actual reefs physical destruction and via pollutants such as plastics, chemicals, fertilizers and sediments runoffs changes etc), Oil & Gas activities, Oil spills, submarine cables laying, military activities, pollutions, shipping activities such as garbage/pollutants dumping, ship-groundings; tourists' activities (e.g. inexperienced tourists/snorkelers/divers accidentally breaking the corals, destructive fishing practices such as bottom trawling and fish-bombing, strong waves during hurricanes, and high sea surface temperature (SST) that can lead to bleachings, etc. (Keep in mind the Great Barrier Reef has recently been reported to recover well).
Hence, the ways to address the coral reefs decline are also diverse, and can be very site-specific.
Instruments and systems for marine biodiversity conservation in the face of global warming can be at various levels e.g. legal :
International level: multilateral environmental agreements, IMO Rules and Procedures, etc, soft laws such as Rio Declaration, etc
Regional level: Regional organizations or IO, Regional Fisheries Management Organizations, etc
National and local level: national laws, municipal or local government laws and town planning, etc
The instruments and systems can be vastly improved with, among others:
Honest co-operation using, inter alia, precautionary, fair and equitable principles, common but differentiated responsibilities (CBDR), with sufficient funding and technical assistance, technology transfer for the poorer tropical countries to conserve marine biodiversity, respecting indigenous peoples and local communities rights (conservation for the people, with the people), and the special situation of Small Islands Developing States (SIDS) and developing countries most impacted by climate-related sealevel rise, and coastal floodings, etc.
There is no fair sense in making the economically-challenged developing countries (sans adequate funding/tech assistance) to carry out the huge obligations as proposed in the CBD draft Global Biodiversity Framework Target 3 etc currently being negotiated, for resolving global problems such as climate change and associated biodiversity loss that IPCC had stated was due to mainly historic anthropogenic GHGs emissions (by developed countries). Lessons learn from the Aichi Targets failures (also SDG failures) due to lack of sufficient funding and tech assistance should not be repeated.
Hence, one of the ways to improve is to ensure at all MEAs negotiations, Developed Countries shall also shoulder the obligations for global biodiversity conservation, showing honest co-operation for fair and equitable outcomes.
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Completed BSc forestry and MSc Environmental Science. For the past ten years, I am working on honey bees in western ghats (diversity, distribution, modeling, and people participation in conservation). Ready to join anywhere in the world but research should be in India, especially in western ghats only.
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Hello Charanakumar,
It is great to see your interest and motivation, I would recommend searching articles that you have cited in your past research and mailing the main or co-authors after reviewing their profile. It is difficult to mention any university or professors who do work on any particular domain, but once you mail them, they might reply and redirect you to more specific people who work on those areas or may have funding.
Feel free to ask anything more if you wish to know more, All the best.
Regards
Sanjana
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Hi!
Can someone provide information regarding what plasmids would be suitable for using as positive controls for optimizing viral q-PCR?
I do not want to be expressing my gene but would be requiring the vector plasmid as a stabilizing backbone for my gene of interest/conserved region.
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TOPO vectors are good since you can insert your viral genes in using TA cloning. You could always just use pUC19.
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As a sustainable agricultural practice no-till is always recommended by the conservation agriculturist. Most definitely, it changes the soil ecosystem (enhances the microbial community) and the functioning of the soil. Manny researchers observed an increase in organic matter and enhanced water holding capacity. Does it mean that no-till will significantly increase steady-state infiltration rate or (field saturated hydraulic conductivity)? How much regional weather (or climate) could impact the re-building/regeneration of soil?
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I am looking for a theme on sustainable development in my country (Mali). I am looking for a theme that can be explored in this field.
I am looking for a theme that can be explored in this area.
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Dear Mohamed,
It is not easy to combine the issue of economy-wide production growth with the simultaneous shift of the economy towards economic sustainability and environmental growth. The difficulty stems from the fact that production growth is usually correlated with economic growth whereas in a sustainable economy no production growth is sought. In a sustainable, green, environmentally neutral circular economy, overconsumption, overproduction, excessive waste generation do not occur. Taking these issues into account, I propose the following research topic, which combines the issues of sustainability, production growth and environmental protection: Analysis of the determinants of production growth realised in the development of pro-environmental economic ventures, which can be realised e.g. in the development of renewable and emission-free energy sources, the production of components and equipment for the development of recycling, the production of building materials for the development of sustainable construction, the production of vehicles powered by electricity and/or hydrogen engines for the development of electromobility, the production of organic fertilisers and various types of components for the development of sustainable organic agriculture, etc. In this way, sustainable production is being developed as an important factor in the ongoing pro-environmental transformation of the classic growth, brown, linear economy of excess to a sustainable, green, zero-carbon growth and closed loop economy. In parallel to the increase in the scale of sustainable production, the level of production of products and intermediates produced by unsustainable production carried out by economic actors operating in sectors and industries categorised as the brown, exhaustive economy of excess, over-consumption, generating large amounts of non-biodegradable waste, etc., is simultaneously decreasing.
Best regards,
Dariusz
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I am conducting research in the area of heritage planning and conservation. Heritage Impact Assessment(HIA) is necessary before any kind of change or development in the built environment around a heritage site within a defined regulated area to determine its impacts on the potential of heritage. In India, it has now become mandatory by the National Monument Authority (NMA) in case of any centrally protected monument. Visual Impact Assessment is a very important component of an HIA to asses any future impact on the overall landscape of the place around the heritage site. To be precise, according to NMA guidelines, it is required to check the skyline concerning the heritage site, any visual obstruction in views of the heritage site, shadow on the heritage site due to new development, and consideration from building design bye-laws.
Guideline for HIA by NMA can be found here: https://www.nma.gov.in/documents/20126/51838/HIA+Report.pdf
From the available example of HIA reports, I understood that experts are using 3D software, first to model the existing structures and then adding the proposed structure to generate the views in the form of images/renders to visualise the projected development. Sometimes, it is done by only drawing a section and marking the human eye angle. I am not sure how they are validating these views. From these images/renders only, one can not say very definitively whether these are accurate or not. Also, I am unsure about the view/camera point selection.
I have not been able to find any study on the assessment of the overall visual quality of the surrounding area due to new changes.
It would be great if you know of any study or documents or share some light on this.
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check the pdf. below.
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RNA conservation
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It was from Qiagen. It was very useful for fresh young leaves of trees from tropical forests in Cameroun. The samples were conserved during all our stay in room temperature and then transported to the lab in Brussels.
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Thank you for your response
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Hello Bhs; Here is a little list.
1. Botanic gardens maintain collections with the intention to preserve diversity. This includes both live plants and seed collections.
2. Seed banks. Many countries and international organizations maintain refrigerated collections of seeds of thousands of plants, both wild species as well as crop types. The major collection on Svalbard Island is the best known one.
3. Perhaps you could consider the national parks attempts to preserve diversity.
How effective these efforts are can be debated.
Best regards, Jim Des Lauriers
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I am a master's student looking at conservation grazing using White Park cattle for my project. I am trying to decide how to analyse my GPS data alongside habitat shapefiles to look at which habitat areas are used the most by the cattle. The GPS datapoints are from a Nofence collar which pings approximately every 15 minutes but is not always consistent and some times has extra datapoints. Would integrated step selection analysis using the amt package in r be the best way of analysing this data or is there a more appropriate method? If anyone could give me any tips or guidance on this I would be extremely grateful.
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If you want to analyse habitat preferences I recommend to clean the data and then use a habitat use-availability analysis (eg. Cherry 1996 (incl. Baileys 1980), Neu et al. 1974, Jacobs 1974) for a first view (I could send you an Excel-form to run the data). However, as a final step you should run anaylses like a GLMM or other models (depends on your question, you should ask a bio-statistician, which model dioes fit most).
A step-selection function like you mentioned sounds really well for your question!
For a general overview I recommend:
MANLY BFJ, MCDONALD LL, THOMAS DL, MCDONALD TL, ERICKSON P (2002): Resource selection by animals: statistical design and analysis for field studies. 2nd ed. Aufl., Kluwer Academic Publishers, Dordrecht Boston London.
and here are the above mentioned citations:
NEU CW, BYERS CR, PEEK JM (1974): A technique for analysis of utilization-availability data. J. Wildl. Manage. 38 (3), 541-545.
CHERRY S (1996): A comparison of confidence interval methods for habitat use-availability studies. J. Wildl. Manage. 60 (3), 653-658.
BAILEY BJR (1980): Large sample simultaneous confidence intervals for multinominal probabilities based on transformations of the cell frequencies. Technometrics 22, 583-589.
JACOBS J (1974): Quantitative measurement of food selection. A modification of the forage ratio and Ivlev's electivity index. Oecologia 14, 413-417.
LocH is really well for describing the spatial usage (although I would never say "it is best" as a scientist). to describe the space use you could also use stepwis e calculations of movement patterns.
MORELLE K, BUNNEFELD N, LEJEUNE P, OSWALD SA (2017): From animal tracks to fine-scale movement modes: a straightforward approach for identifying multiple spatial movement patterns. Methods in Ecology and Evolution 8 (11), 1488-1498. https://doi.org/doi:10.1111/2041-210X.12787.
some more literature:
BROEKMAN MJE, HILBERS JP, HUIJBREGTS MAJ, MUELLER T, ALI AH, ANDRÉN H, ALTMANN J, ARONSSON M, ATTIAS N, BARTLAM-BROOKS HLA, VAN BEEST FM, BELANT JL, BEYER DE, BIDNER L, BLAUM N, BOONE RB, BOYCE MS, BROWN MB, CAGNACCI F, ČERNE R, CHAMAILLÉ-JAMMES S, DEJID N, DEKKER J, L. J. DESBIEZ A, DÍAZ-MUÑOZ SL, FENNESSY J, FICHTEL C, FISCHER C, FISHER JT, FISCHHOFF I, FORD AT, FRYXELL JM, GEHR B, GOHEEN JR, HAUPTFLEISCH M, HEWISON AJM, HERING R, HEURICH M, ISBELL LA, JANSSEN R, JELTSCH F, KACZENSKY P, KAPPELER PM, KROFEL M, LAPOINT S, LATHAM ADM, LINNELL JDC, MARKHAM AC, MATTISSON J, MEDICI EP, DE MIRANDA MOURÃO G, VAN MOORTER B, MORATO RG, MORELLET N, MYSTERUD A, MWIU S, ODDEN J, OLSON KA, ORNICĀNS A, PAGON N, PANZACCHI M, PERSSON J, PETROELJE T, ROLANDSEN CM, ROSHIER D, RUBENSTEIN DI, SAÏD S, SALEMGAREYEV AR, SAWYER H, SCHMIDT NM, SELVA N, SERGIEL A, STABACH J, STACY-DAWES J, STEWART FEC, STIEGLER J, STRAND O, SUNDARESAN S, SVOBODA NJ, ULLMANN W, VOIGT U, WALL J, WIKELSKI M, WILMERS CC, ZIĘBA F, ZWIJACZ-KOZICA T, SCHIPPER AM, TUCKER MA (2022): Evaluating expert-based habitat suitability information of terrestrial mammals with GPS-tracking data. Global Ecology and Biogeography n/a (n/a). https://doi.org/https://doi.org/10.1111/geb.13523.
MUFF S, SIGNER J, FIEBERG J (2020): Accounting for individual-specific variation in habitat-selection studies: Efficient estimation of mixed-effects models using Bayesian or frequentist computation. J. Anim. Ecol. 89 (1), 80-92. https://doi.org/10.1111/1365-2656.13087.
RICHTER L, BALKENHOL N, RAAB C, REINECKE H, MEIßNER M, HERZOG S, ISSELSTEIN J, SIGNER J (2020): So close and yet so different: The importance of considering temporal dynamics to understand habitat selection. Basic Appl. Ecol. 43, 99-109. https://doi.org/https://doi.org/10.1016/j.baae.2020.02.002.
SIGNER J, FIEBERG J, AVGAR T (2019): Animal movement tools (amt): R package for managing tracking data and conducting habitat selection analyses. Ecol. Evol. 9 (2), 880-890. https://doi.org/doi:10.1002/ece3.4823. (For sure you know this, as you mentioned AMT)
THURFJELL H, CIUTI S, BOYCE M (2014): Applications of step-selection functions in ecology and conservation. Movement Ecology 2 (1), 4.
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Hi!
Has anyone find any difference about keeping its slides obtained by cryosection in -80 or -20? I have been trying different combinations as freezing them fast in -80 and then store them at -20, froze them at -20 or directly kept them at -80 without finding any differences. Just curious, as normally we all have the available space in our -80's really limited if we can keep them at -20 without any problem.
Thanks,
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For short and medium-term storage of fixed tissue, it is ok to keep in -20, but for long-term storage and preservation of fresh tissues, it is recommended to keep in -80.