Forestry - Science topic

Hey Pradip Kumar Sarkar , did you that find that out?

I have my asymptotic equations with standard errors for the natural logarithm of my variable. I would like to "back transform" those standard errors. I know it is impossible, but is there an approximation formula? Thanks a lot!

Physics can be integrated into forestry science in a number of ways to improve understanding, management, and sustainability of forests. Here are some key areas where physics plays an important role in forestry science:

In conclusion, physics provides the tools and methodologies to understand the fundamental processes that govern forest ecosystems, from tree growth to forest-climate interactions. By applying physical principles, forestry science can develop more effective, sustainable, and efficient ways to manage and protect forests.

Lawrence, thank you for taking the time to comment and share ideas that could be linked to those in this article.

Take a look at this article when you have time, you may find some good food for thoughts within it.

Respectfully yours;

Lucio

Valerij, thank you for taking the time to comment.

The article provides a systematic take of the issues using sustainability thinking and tools from outside the box.

Good day Prem, thank you for writing. Wish you find some good food for thoughts in it.

Hello sir! I can contribute to the ongoing projects,

My name is Muhammad Akram and I am from Pakistan. I have done my bachelor's degree ( agriculture with major in Forestry. I have the desired expertise for the project mentioned as I have done my internship from sub tropical chir pine forest where I was enrolled full time for data collection, forest management, Afforestation, awareness campaign, forest fire control mock trials during the internship period.

In general, for walnut you can use square spacings of 1.5x1.5m to 3x3 m or the equivalent triangular spacing (which is 15% more trees). As the stand grows, the lower the spacing, the lower the lateral branch growth due to competition. However, this will cause lower diameter growth of trees, so, you should increase the spacing with thinning interventions to keep an acceptable diameter growth for the final harvest. Pruning could be needed

to reduce branchiness and large knot formation in the main stem. Consideration of the genetic material to use is important, as for many species there are provenances characterized by having a low tendency to branchiness and formation of large crowns vs. provenances with a trend to form large crowns with branch formation predominating over apical growth.

The latest are the best for producing nuts instead of timber.

Best regards

How close is the correspondence between the two datasets for the 10-year period where they overlap?

I guess if you've got a relatively homogenous stand, you know something about its history, and the 1996-2016 increments from the tree rings match up OK with the 1996-2016 DBH data (even if the individual trees are not the same)... seems like you could at least try to make an argument for the extended time series, depending on what you want to try to show.

Is there a reason you couldn't also go core some of the 1996-2022 trees where currently you only have DBH?

Good luck!

In the UK, one of the supermarkets was trying not to stock products containing palm oil because of the deforestation, but had to reinstate it in 2022 because of their supply chain following the war in the Ukraine:

https://sustainability.iceland.co.uk/our-planet/sustainable-sourcing/palm-oil/

Calculating and analyzing the degree of mixing and angular scale in forestry using Tyson polygons and Delaunay triangular grids involves several steps. Here's a general outline of the process:

By following these steps and applying appropriate spatial analysis techniques, you can calculate and analyze the degree of mixing and angular scale in forestry based on Tyson polygons and Delaunay triangular grids.

Yes

You can use MODIS Terra of 500m resolution for your NPP.

Also, you can estimate NPP with CASA model.

The CASA Model measures NPP by multiplying Light use Efficiency (LUE) by Absorbed photosyntically Active Radiation (APAR)

Microsoft Excel is a powerful spreadsheet software that allows users to create and manipulate data using formulas, equations, and models. Here are some key features and aspects related to using formulas, equations, and models in an Excel sheet:

Formulas:

Equations:

Models:

Data Analysis:

Poppycock; soil science, to the extent that it still is an independent department anywhere, is nearly always linked to a school of agriculture. The argument that "soil science as a discipline was rather narrowly defined in the 1980s as mostly including soil pedology and soil physics" fails to understand soil science. The SSSA was established in 1936 with six sections: physics, chemistry, microbiology, fertility, morphology, and technology. Soil science evolved to be adopted as a focus of research by other that traditional soils scientists, often building on concepts developed in agriculture. The link did never disappear, but soil science became the basis of more than just agricultural work. What is correct is that the pure soil science departments morphed and were re-labelled, as agricultural research fell out of fashion for a while. It is also correct that soil science is insufficiently recognized as a self-standing science by many nations' funding societies (merged into earth sciences or geography). So no, the argument of the authors is severely flawed. As to the 1900 to be the date when soils science became a science, debatable, depending of how we classify the work of Liebig, Dokuchaev and many others.

with respect to everyone’s comments; we’re long past the relevancy of researching local or non-local sourcing. As late as the 1960 we’ve been researching and implementing restoration ideas applied to forests, wet lands, underwater coral forests and arid land. Done so with a equal number of academic discussion on which approach is best. But…climate change is increasing rapidly. We’ll soon be forced to apply whatever we can to a wider array of areas and hope that the destructive force of increasingly severe storms doesn’t wipe away our efforts. We’ll need to accept composite provenancing approach may risk introducing some maladapted biology………….We don’t need funding for one more study. ……..We need people applying this now. Particularly in countries already experiencing changes to their environment.

Plants can be destructive too. For example, an invasive plant species may be introduced by seeds in bird droppings with the result that a waterway may become choked off. Or an invasive plant may force out a native species that provided better protection against erosion. Such possibilities could have deleterious effects on local ecosystems.

@ Naira, for more details you may go through the book " Pollen Analysis"

Author(s) : Moore, P. D. ;  Webb, J. A. ;  Collison, M. E.

Book : Pollen analysis. 1991 pp.viii + 216 pp.

ISBN : 9780632021765

Record Number : 19960200607

Publisher : Blackwell Scientific Publications

Location of publication : Oxford

Country of publication : UK

Language of text : English

You see a lot of projects starting with this. For example take a look at carbify.io, they are planting trees but creating a business model out of it. Focus on Social Impact, Food Security and reforestation.

Always happy to exchange thoughts with you.

Hi dear researchers, thank you for pointing out the important issue of tree planting in carbon sequestration. According to my knowledge and my job at betterSoil company, non-governmental companies are doing projects of tree planting. For example, one of the principles at betterSoil company is agroforestry. BetterSoil itself could plant 650 trees since 2019 in Iran and is going to have more plans in this case in the framework of agroforestry. You may visit the website of betterSoil initiative to get more information: www.bettersoil.info

You may also find more information about its project of tree planting under:

Best, Elaheh

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.

The European HBEFA provides emissions for vehicles on public roads (varying speed, gradient, road type etc. I had a previous version of the database and it provided fuel consumption along with various pollutants. I am not sure, though, if the level of detail goes to specific brands or vehicles.

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

Your goats can graze freely in natural forestry if you are licensed to do so. Cattle are too specific on grasses and legume fodders so it becomes difficult to integrate on natural forest

Subject specific means the department of the particular university from which you have to do PhD dissertation and it can be Forestry, Ecology and Environment department.For instance Central Universities, IITs and State Universities offer degrees according to their area of research interest. Although Research specific means the highlights topic which you are going to Propose your research hypothesis according to the speciality of the guide. Hence, the choices is yours which university you are interested to proposed your research hypothesis.

The Southern Cross University at Australia. Excellent university

https://www.growkudos.com/publications/10.1007%25252Fs00477-020-01872-3/reader

The following RG links are also very useful:

Our beloved RG platform is not a published never, but it is simply an academic platform for exchanging knowledge and ideas via its facilities.

Regards,

Emad

Not a book, but at https://github.com/ogarciav there are several forestry R packages: siplab, dyntaper, ingrowth, resde.

Mid infrared spectroscopy, near infrared spectroscopy

Dear Zhongqian Cheng Kindly check..

I believe that in the following Agronomy publication, you can obtain important bibliography that will help you to solve your question.

Dear Andrew, I didn't mean "exotic" badly. But the magazine was completely unknown to me and probably not as widespread as, for example, "Phytotaxa" or "Nature".

Dear Yoonjeong Heo,

sorry for forgetting keywords. It's my first official request, which shows how desperate I am. I don't know much more than what I've written. The Korean Title of the Journal is 水原高等農林學校學術報告.

What I know: On p. 32 of the paper you can find the name Orobanche coerulescens var. glaberrima Sakata. If the manner of publication of the name is valid, it could be the oldest and therefore priority name for the glabrous variety of the Orobanche coerulescens Stephan (actually known as Orobanche nipponica Makino). I need clarification for a monographic treatment of the genus.

Sure.

This is a good video https://www.youtube.com/watch?v=WK_bFBN5ZJE

Thomas Fungenzi i guess the attached document might be of your help

Dear Hari,

Persistence and change: review of 30 years of community forestry in Nepal

Dear Search,

In this link you can find information on the issue raised.

Regards

Very interesting is production of wood chips from wood waste. Wood chips are source of renewable energy, who grows the fastest from all sources of renewable energy in EU, by the Eurostat data.

Best regards

Ladislav

one more vote for ForestFit

package: https://cran.r-project.org/web/packages/ForestFit/

paper:

Best regards,

martin

Have a look at this paper:

although simple question but not related to my field

Dear Mohammed, congratulations on this innovative research work. Please, see the below links you may find some good guidance:

Reineke’s Stand Density Index: Where are we and where do we go from here? (fs.fed.us)

Variation in the maximum stand density index and its linkage to climate in mixed species forests of the North American Acadian Region

Found these on google scholar - might be good papers to read. K

Please include me. I am from India.

Dear W.V. Tharindu Amarasinghe

One easy way is to use Elsevier' find journal option.

You can enter the title and the abstract of your manuscript and it will show you which journals are better to submit your manuscript.

You may find it use this linke:

Good luck,

Hormoz

I work on Gaps and structure in Stands and regeneration in endemic and exotic forest species and treatment about thinning. The global warming and the effect on forests are new subjects on silviculture .

find below the link for a new database, JM LEBAN

Please see the link below.

Bulk density (BD) measurement needs to be done by core method for any comparison to other soils' BD. If the SOC is very high in soils under forest for a long time, BD may be really low.

Just yesterday I have checked, observed and studied the uprooted trees for the super cyclone Amphan in 9 forest patches of Tropical Dry Deciduous Forests types in 3 districts of West Bengal that revealed the area, volume, and the mass of the root systems is more than 20 times less than that of the above ground portion of the trees of the heights ranging between 30 - 45 ft height, and DBH 1 ft to 12 feet, if it's possible to attached the photographs of those uprooted trees with the entire stem including branches and the complete exposed root systems attached to the stem, then it will be possible to check visually for all.

May be 3:1

Dear Jeremy, your question is very relevant. There is always a risk when planting exotic species in areas under restoration because them can become invasive and compromise the restoration process. However, there are some examples where exotic species do not negatively impact the native biodiversity and other ecosystem functions. Indeed, some exotic species can provide a suitable environment for the development of native species. I would like to recommend you two recent papers addressing this issue. The first is entitled " Monitoring of forest components reveals that exotic tree species are not always invasive in areas under ecological restoration", and the second is "Exotic eucalypts: From demonized trees to allies of tropical forest restoration?". Kind regards.

Iam from Bule Hora University I edit Forestry and Agroforestry issue

Sustained yield means production of yield on a regular basis for a longer period of time. For sustained yield to occur the annual cut shall not exceed the annual growth. For example in Nepal, scientific forest management has been applied in Shorea robusta forests mainly in collaborative forest of Terai plains and later in community forests of hills too. Previously only planting and conservation was emphasized which tend to rot the trees causing huge economic losses. As these type of practices has just started it takes time for results as Shorea has rotation of 80 years. There was initially huge opposition from stakeholders and local people. But to gain a healthy forest we need to sacrifice the old one.

There must be extensive research that the theory of sustained yield is actually prevalent in field or not. Forestry is a practice that occurs in a complex natural and social setting. Also the management practices must be good withstanding fire, theft and encroachment. The management plan plays a key role here. It should suit the scenario in which it is being made and should be implemented with precision.Constant research is required.

The use of alternative plant species in construction, such as bamboo, is an alternative with environmental and social advantages. Undoubtedly, reducing the consumption of native species has environmental advantages. However, it is always necessary to assess the impacts of each activity, seeking, as far as possible, to add maximum sustainability to production.

@Back Tomas, thank you for the article.

https://www.weforum.org/agenda/2020/01/can-agroforestry-save-indias-rivers-and-the-farms-that-depend-on-them/

Dear Anastasios Mazis,

Best software for canopy estimation analysis.

I hope the information will help you.

With Best Wishes,

Samir G. Pandya

I believe that soil moisture, temperature, pH and rainfall can be measured remotely.

Dear Saha,

there are many universities potentially good according to you area.

I suggest you to prepare first a good proposal on plant root system and according to the scope of the universities you can applied for post doc

I thought the point (no pun intended) was to allow these cypresses to grow tall and thin, like a pencil. My impression is that these are not really meant to be trimmed or sculpted. If you are interested in wider cypresses or a cypress that's more adaptable while sculpting, maybe you could consider getting another variety.

Any BAF prism will choose small trees (or any other designation of trees) in exactly the same ratio as any other BAF. If you want more small trees, put in more plots or use a BAF that chooses more trees. You will, of course, choose more total trees with either method.

There is no reason that you cannot measure a larger proportion of small trees if you want, you just have to weight them correctly in your calculations.

If the trees are about the same size, there is no distinction between fixed and variable plots in many ways.

For forest plantation probably may not good because need a long time to get revenue which is >=30 years compared to batai or acacia which only need less than 10 years to harvest. However, if for butter production might be faster to get revenue. It will be good if planted in mix plantations, where can also increase the biodiversity .

NDVI saturates at high biomass levels, as is the cases in tropical forest including Borneo. Wherever we tested SAVI and other indices (as early as the eighties in the past century) in lower biomass zones, the difference with NDVI was marginal.

Now the fundamental issue. What do want to measure, understand, explore in forestry by NDVI? What is your research gap/question)? Deforestation, reforestation, cover change in other words , for example, does not need NDVI (see our articles). However, seasonal changes outside the tropics may be estimated well by NDVI.

@Chimi, thank you

Dear Daniel Kraus,

The importance of this type of analysis is growing due to the increasingly frequent climatic cataclysms. The costs of this type of processes may vary considerably depending on the type of risk of climatic disasters, applied technology, economy, climate zone, raw material costs, market prices of specific wood species obtained from forested areas, rehabilitation costs degraded by civilization and after climatic disaster of forest area and afforestation determined tree species, etc. It is important to develop a universal model for estimating this kind of costs, ie to build a multi-factor model, taking into account various factors including changes in the type of risk of climate disasters, applied technology, economy, climate zone, raw material costs, market prices of specific species wood obtained from forested land, costs of reclamation degraded by civilization and after a climate disaster of forest area and afforestation with specific tree species, etc.

Best wishes

Nice response Dr Dobriyal. How do you see a empirical relation between carbon footprint and net primary productivity vis- a- via plant biomass...

Thanks for your answer, Jose!

Xueyan, you can see if the model vegetation type is correct for your study area!

you can search Dr Adnan and Dr Sayed Moazzam Nizami Profile on Research Gate. they have many research articles on KPK forest .

Thanks and regards,

Dear Catriona,

Please, kindly find at:

https://w3id.org/mtv/FISE/map-data-RPP/v0-3-2/internet/Picea-sitchensis the raster data referring to the modelled relative probability of presence of Sitka Spruce - Picea sitchensis (see ) with the corresponding metadata at https://data.jrc.ec.europa.eu/dataset/86af1e37-e5c1-4fd9-aea7-b5c7d0344f90

For more information, feel free to contact the team of the European Atlas of Forest Tree Species ( jrc-forest-atlas@ec.europa.eu - https://w3id.org/mtv/FISE-Comm/v01 ).

With my best regards,

Daniele de Rigo

Dear Daniel, here you can find a paper from Croatia

Best regards, Stefanie

Not sure if this is what you are looking for but in the Steigerwald region , Germany, the local conservation concept of Ebrach State Forest Enterprise includes active deadwood accumulation as a main pillar for habitat restoration. The beetle Bolitophagus reticulatus e.g. benefits from this strategy: it is now colonizing formerly intensively managed stands where deadwood was a scarce resource before. Maybe this management practice could be seen as a form of assisted migration too.

"Combat climate change" was the blatant bias reveal. Seriously, my research question would be: What percentage of the adult American population thinks "the nexus of forests and climate change" is an important topic (and why)?

Depending on the type of data involved, you may be able to assess the extent of species mingling in mixed-species stands of trees.