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Habitat - Science topic

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Publications related to Habitat (10,000)
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Article
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Tlaloc hildebrandi is a small (<130 mm) freshwater fish endemic to Southwest Mexico and is listed as endangered through habitat loss and invasive species. We determine and compare the parameters of the length–weight relationship, relative weight, and condition factor among different populations of the endemic killifish, T. hildebrandi. Fulton’s con...
Article
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Abstract This study examined the relationship between tree frog (Hyla savignyi ) coloring and its different seasonal habitats at the southern border of its distribution. The results show that tree frog color is affected by the dominant colors in its habitat, which vary seasonally, especially between winter and summer. Tree frog colors were various...
Article
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Some members of Chaetothyriales, an order containing potential agents of opportunistic infections in humans, have a natural habitat in nests of tropical arboreal ants. In these black fungi, two types of ant symbiosis are known, i.e. occurrence in domatia inside living plants, or as components of carton constructions made of ant-chewed plant tissue....
Article
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Multi-species bottom trawl fisheries are one of the human activities with a great impact on the benthic habitats and their associated biota. This study provides estimates of the bottom trawling activity (effort), catches and landings of the main commercial species as well as an estimation of the total revenue (TR) generated inside a mud volcano fie...
Article
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Quorum sensing (QS), which is a key part of cell/cell communication, is widely distributed in microorganisms, especially in bacteria. Bacteria can produce and detect the presence of QS signal molecule, perceive the composition and density of microorganisms in their complex habitat, and then dynamically regulate their own gene expression to adapt to...
Article
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Community stability and carrying capacity are essential core concepts in ecology because they reflect the interactions between organisms and their environment and provide clues to predictability. Since caves are considered stable habitats, we used long-term invertebrate monitoring to understand temporal and spatial carrying capacity in a neotropica...
Article
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Monitoring carnivore populations requires sensitive and trustworthy assessment methods to make reasonable and effective management decisions. The Eurasian fish otter Lutra lutra experienced a dramatic population decline throughout Europe during the twentieth century but is currently recovering in both distribution range and population size. In Aust...
Research Proposal
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Hunting has played a relevant role throughout human evolution. At present, hunting is considered a recreational and economic activity, and is rarely necessary for survival. In this context, in a society increasingly committed to conservation, hunting must be managed, not only to ensure its sustainability, but also to conserve and promote biodiversi...
Preprint
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Benthic macroinvertebrates have been widely used as biological indicators in riverine ecosystems to provide information on the ecological response to natural and anthropogenic disturbances. Arid and semi-arid north African countries are facing severe climatic pressures, intensified by human activities, but regional research on the biological respon...
Preprint
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Ecohydraulic models have long been used to determine environmental flows downstream of dams, but the often lack of local habitat suitability curves (HSCs) prevents their wider implementation. To overcome this, ecohydraulic experts often use HSCs developed in 'foreign' river reaches. However, this approach may result in unrealistic ecohydraulic outp...
Article
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This study investigates the legalregime governing marine megafauna conservation in Bangladesh. The study found thatlack of data, weak domestic institutional structure, ineffective implementation, unsuitable enforcement agencies, and poor public policies limit the protection of the marine megafauna of conservation interest. In many cases, domestic l...
Article
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Anthropogenic habitat alteration can rapidly disturb native fish species by hybridization with introduced species. In Korea, the construction of water conduits has unilaterally introduced the allopatrically separated fish species Cobitis tetralineata from the Seomjin River to the Dongjin River where its sister species C. nalbanti inhabits. To asses...
Article
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Pseudunio auricularius (Spengler, 1793) is one of the most threatened unionid species worldwide. Translocation is considered one of the ultimate actions that can save this species from extinction in the Iberian Peninsula. Since 2013, massive mortalities have been recorded in the Canal Imperial de Aragón (CIA), an anthropogenic habitat where the hig...
Article
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Rural areas in Northwest China have always been the main concentration of poverty-stricken people in China. In 1986, China listed 665 poor counties (mostly in the northwest), and successively launched the actions of “Volunteer Teaching in Western China” and “Great Development of Western China” to help underdeveloped areas get rid of poverty. At pre...
Article
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Accurate and precise monitoring of the absolute density (i.e., number of fish per area or volume unit) of exploited fish stocks would be strongly advisable for deriving stock status and for designing proper management plans. Moreover, monitoring should be achieved at relevant (i.e., sufficiently large) temporal and spatial scales. This objective is...
Article
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Antarctic krill (Euphausia superba) are the key species of the ecological system in the Cosmonaut Sea. Long-term habitat alterations in krill due to climate change have been considered in recent decades. However, there is still a lack understanding about krill distribution. The MaxEnt model was used to forecast the suitable distribution area of kri...
Article
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Subterranean aquatic biodiversity loss has exceeded that of surface aquatic systems, and cavefish are a predominant indicator of biodiversity loss. The karst subsurface environment and its biodiversity are generally considered to be fragile and extremely sensitive to environmental disturbances such as hydroelectric projects. Subterranean biodiversi...
Article
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Giant ragweed (Ambrosia trifida L.), an invasive weed, has an expanding distribution area and has recently started to spread in grasslands. This unusual event threatens grasslands worldwide. In this study, we aimed to evaluate the changes in the grassland soil seed banks caused by the giant ragweed invasion in Yili Valley, Xinjiang, China. Using th...
Article
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Reliable predictions of future distribu- tion ranges of ecologically important species in response to climate change are required for develop- ing efective management strategies. Here we used an ensemble modelling approach to predict the dis- tribution of three important species of Abies namely, Abies pindrow, Abies spectabilis and Abies densa i...
Article
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Scotland once had the largest herring fishery globally, generating local income, identity, and societal change. Following historic stock collapse, in spring 2018/2019 large herring shoals were observed on the west coast for the first time in decades, at a formerly important spawning ground. This highlights the urgency of maintaining historic (and c...
Poster
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The application of camera traps is one of the fastest developing and most widely used technology in wildlife monitoring and conservation in the past 20 years. A camera trap can detect cryptic wildlife, and their operation is convenient. They can obtain massive first-hand pictures or video data in the field, providing abundant information for unders...
Presentation
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Turkey is the habitat of the most common species in the world. In Konya province, 18 kinds of spider species from 11 families were determined. In this study, spider samples were collected from Aydınlık, Cumhuriyet, Beyhekim, Yazır and Ardıçlı districts of Selçuklu district of Konya province between 2014-2018. The distribution of these samples is 11...
Article
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Consider a cooperation game on a spatial network of habitat patches, where players can relocate between patches if they judge the local conditions to be unfavorable. In time, the relocation events may lead to a homogeneous state where all patches harbor the same relative densities of cooperators and defectors, or they may lead to self-organized pat...
Preprint
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Predator feeding rates (described by their functional response) must saturate at high prey densities. Although thousands of manipulative functional response experiments show feeding rate saturation at high densities under controlled conditions, it is unclear how saturated feeding rates are at natural prey densities. The general degree of feeding ra...
Article
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Roadkills are a major threat to the wildlife in human-modified landscapes. Due to their ecology, relatively small size, and slow movement, amphibians and reptiles are particularly prone to roadkill. While standardized roadkill surveys provide valuable data for regional roadkill trends, such surveys are often resource-intensive and have limited geog...
Article
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Roadsides can be vectors for tree invasion within rangelands by bisecting landscapes and facilitating propagule spread to interior habitat. Current invasive tree management in North America’s Great Plains focuses on reducing on-site (i.e., interior habitat) vulnerability through on-site prevention and eradication, but invasive tree management of su...
Article
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Over the past few years, the wild population of Chrysolophus spp. has decreased remarkably. Habitat fragmentation is a significant cause for this serious threat to the survival of Chrysolophus spp. population. In order to further understand the distribution of potentially suitable habitats of Chrysolophus spp., we used the maximum entropy model to...
Article
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The holobiont concept places emphasis on the strict relationship between a host and its associated microbiome, with several studies supporting a strong effect of the quality of the microbiome on the host fitness. The generalities of the holobiont have been questioned for several invertebrates, including zooplankton. Here we assess the role of host...
Article
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Although social media is growing rapidly as a news source, including for disseminating conservation information, studies comparing attention given to differing threats to species on social media are almost non‐existent. As the amount of attention given to differing threats can influence what people perceive to be important and impact the formation...
Article
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Las poblaciones de animales suelen disminuir debido a la alteración del hábitat, pero la respuesta inicial de los organismos a los cambios ambientales inducidos por el hombre suele ser de tipo comportamental. Las interacciones intra e interespecíficas pueden restringir o facilitar el acceso a los recursos, lo que provoca cambios en la adecuación (f...
Article
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A new saltmarsh soil dataset comprising of geochemical and physical property data from 752 soil samples collected through a sampling program supported by citizen scientists has been brought together with existing data to make the first national estimates of the surficial (top 10 cm) soil OC stock for Great British (GB) saltmarshes. To allow the inc...
Article
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The visual environment provides vital cues allowing animals to assess habitat quality, weather conditions or measure time of day. Together with other sensory cues and physiological conditions, the visual environment sets behavioral states that make the animal more prone to engage in some behaviors, and less in others. This master-control of behavio...
Article
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Primates, represented by 521 species, are distributed across 91 countries primarily in the Neotropic, Afrotropic, and Indo-Malayan realms. Primates inhabit a wide range of habitats and play critical roles in sustaining healthy ecosystems that benefit human and nonhuman communities. Approximately 68% of primate species are threatened with extinction...
Article
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Resumen Las tortugas marinas son animales longevos y carismáticos, pero sensibles a las actividades antropogénicas. En el Caribe Mexicano estos organismos enfrentan amenazas derivadas de las actividades humanas, particularmente desde el siglo XX. Las tortugas marinas en el Caribe Mexicano habitan arrecifes de coral y pastos marinos, los cuales tien...
Preprint
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Venus is known for its extreme surface temperature and its sulfuric acid clouds. But the cloud layers on Venus have similar temperature and pressure conditions to those on the surface of Earth and are conjectured to be a possible habitat for microscopic life forms. We propose a mission concept to explore the clouds of Venus for up to 30 days to eva...
Article
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Global climate change has profound effects on species, especially those in habitats already altered by humans. Tropical ectotherms are predicted to be at high risk from global temperature increases, particularly those adapted to cooler temperatures at higher altitudes. We investigated how one such species, the water anole (Anolis aquaticus), is aff...
Thesis
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The importance of public spaces in contemporary cities has been acknowledged and studied from different points of view and approaches by researchers of urbanism. However, most studies have focused on public spaces designed and produced by professionals for elite and affluent populations. In contrast, very little attention has been paid to the devel...
Article
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Anthropogenic light pollution is a novel environmental disruption that affects the movement, foraging and mating behaviour of nocturnal animals. Most of these effects are sublethal, and their net impact on reproductive fitness and population persistence is often extrapolated from behavioural data. Without dedicated tracking of wild individuals, how...
Article
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ABSTRACT.—Within the Great Plains region of North America, oxbow wetlands were lost as streams were channelized and straightened to allow for agricultural use of the landscape. Topeka Shiner, which rely on these oxbow wetlands, have declined in abundance, currently occupy 20% of their historical geographic range, and are now an endangered species....
Article
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Biological systems are subject to a dramatic increase in invading species in the 21st century due to increasing globalization around the world. In the near future, these species will cause more extensive ecological as well as socio-economic damage. Biotic invasions will result not only in a reduction of the original biodiversity, but also total los...
Method
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Many active seismic methods being used to image the subsurface disturb the natural habitat. This might kill, injure, or change the behaviour of living creatures and therefore, many nations introduced country-specific restrictions which are being increased all over the world. To secure a License to Operate (LTO) for active seismic methods, new seism...
Article
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Los Objetivos de Desarrollo Sostenible (ODS) de 2015 establecen como meta al 2030 “asegurar el acceso de todas las personas a viviendas y servicios básicos adecuados, seguros y asequibles y mejorar los barrios marginales”, además de “garantizar la disponibilidad de agua y su gestión sostenible y el saneamiento para todos”. Se propone reflexionar y...
Article
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Coleoptera fauna in Baghdad Campus was investigated from July 2020 to April 2021. Three habitats, by. Interdunal sandy area, core desert area, and area in and around hostel were named as H-1, H-2 and H-3 respectively. Techniques like hand picking, plant jerking and pitfall trapping were adopted for sampling in order to explore distribution and dive...
Technical Report
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National Elk Refuge goals are to reduce reliance on supplemental feeding to mitigate disease risk and prevent habitat degradation on the Refuge. The 2019 "Step-Down Plan Bison and Elk Management; A structured Framework for Reducing Reliance on Supplemental Winter Feeding" (SDP) develops specific strategies to reduce the number of elk wintering on N...
Article
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The European Bee-eater Merops apiaster has been breeding in Rhineland-Palatinate/North-Baden since at least 1993, with a continuous presence from 2002 onwards. With first broods in the “Donnersbergkreis” area and the “Rhein-Pfalz-Kreis”, which have developed to large colonies today, the breeding area expanded in the following years, with first broo...
Article
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Climate change is exerting unprecedented effects on the habitats of marine mammals. Common minke whales ( Balaenoptera acutorostrata ) have suffered immense harm from commercial whaling, and the recovery of this species is likely threatened by climate change. To better manage and conserve this species, it is important to predict its current habitat...
Article
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We quantify habitat use and nest site selection of a local population of Corn Bunting (Emberiza calandra) in the northeastern part of the German federal state Baden-Württemberg. This study region is characterized by intense agriculture, with Corn Bunting primarily nesting in winter cereals, but also in (too frequently mown) field margins. This stud...
Article
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Along with some studies on soil fauna in various Sicilian sites, both agricultural lands and typical Mediterranean habitats, particular attention was paid to the Collembolan. Specific identification allowed to assess the occurrence in Sicily of 39 species not previously recorded, belonging to 10 families: Hypogastruridae (six species), Brachystomel...
Article
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The “Bee-eater special interest group” within the German Ornithologists’ Society (DO-G) exists since 2013. Its goal is to document the population dynamics and range expansion of the species in Germany by monitoring the breeding population as comprehensively as possible. As of 31.12.2020, 31,271 broods have been recorded, most of them with the exact...
Article
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Populations experiencing negligible predation pressure are expected to evolve higher behavioural activity. However, when sexes have different expected benefits from high activity, the adaptive shift is expected to be sex-specific. Here, we compared movement activity of one cave (lack of predation) and three adjacent surface (high and diverse predat...
Article
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Shelter availability is one of the key features governing crayfish habitat quality. It can directly influence crayfish’s individual survival of by lowering the risk of predation, but the ecosystem-wide impacts of sheltering on water quality are largely unknown. To test the effects of shelter availability for Procambarus clarkii in clear-water macro...
Article
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Introduction: The effects of habitat transformation have been widely studied and the effects are well-known at different levels of biological organization. However, few studies have focused on responses to this process at the level of multiple taxa in diverse taxonomic and functional groups. Objective: Determine the variations in taxonomic and func...
Article
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This work studies the possibilities of access to alternative construction technologies for envelope systems. The offer available in the local market (Mendoza Metropolitan Area) is analyzed from the economic, socio-territorial, and thermal-energy dimensions. The results show that the prefabricated systems offered in the province are difficult for lo...
Presentation
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This research aimed to compare sampling techniques for Mysis diluviana and to assess day/night vertical distributions of juvenile and adult cohorts of Mysis.
Preprint
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Rapid urbanization is a major cause of habitat and biodiversity loss and human-animal conflict. While urbanization is inevitable, we need to develop a good understanding of the urban ecosystem and the urban-adapted species in order to ensure sustainable cities for our future. Scavengers play a major role in urban ecosystems, and often, urban adapta...
Article
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Understanding the abundance and distribution of fish in tidal energy streams is important for assessing the risks presented by the introduction of tidal energy devices into the habitat. However, tidal current flows suitable for tidal energy development are often highly turbulent and entrain air into the water, complicating the interpretation of ech...
Article
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Repeated evolution can provide insight into the mechanisms that facilitate adaptation to novel or changing environments. Here we study adaptation to altitude in two tropical butterflies, Heliconius erato and H. melpomene , which have repeatedly and independently adapted to montane habitats on either side of the Andes. We sequenced 518 whole genomes...
Article
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A learning experience designed for the Next Generation Science Standards (NGSS) should integrate the Science & Engineering Practices and Crosscutting Concepts (CCCs) with science content. Such three-dimensional learning engages students in the epistemic components of the scientific process. Whether the Practices and CCCs are used in epistemically m...
Article
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Land-use change, including urbanization, is known to affect wild bee (Hymenoptera: Apoidea) diversity. However, while previous studies have focused on differences across local urbanization gradients, to the best of our knowledge, none focused on differences among cities at a wide geographical scale. We here used published data for wild bee communit...
Article
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The sycamore (Acer pseudoplatanus L.) shows good adaptability to climate change and it could be used more widely in plantations in Europe and Bulgaria. The purpose of this study is to analyse and establish the condition, growth and productivity of plantations and natural stands under different habitat conditions in Bulgaria. All plantations and nat...
Article
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The present study aimed to test an alternative method of rating potential habitats, based on the analysis of satellite images provided by the Google Earth platform. Thus, two sectors of the Jiu and Siret rivers, with a length of 272.2, respectively 168.3 km, were evaluated using both methods (the classical one and the one based on satellite images)...