Distribution of species. Medical search. Frequent questions

To provide information on the number of amphibian species present at a one-kilometer spatial resolution which can be used in modeling efforts, wildlife conservation planning, natural resource management, policy-making, biodiversity studies and human-environment interactions. (columbia.edu)
In this study, geo-referenced Sapindaceae locality data and spatial environmental data were used in MAXENT, the species distribution modelling framework to predict potential sites for cultivation in Western Africa. (scialert.net)
These challenges include: species bias, spatial bias, variation in effort, and variation in observer skill. (biorxiv.org)
Population distribution denotes the spatial pattern due to dispersal of population, formation of agglomeration, linear spread etc. (scienceoxygen.com)
Abiotic factors like temperature, moisture, and soil nutrients, along with biotic interactions within and between species, can all have strong influences on spatial distributions of plants and animals. (scienceoxygen.com)
In South Africa, despite being one of SANParks best-studied reserves, surprisingly little is known about the distributions and spatial ecology of reptiles within Kruger National Park (KNP). (uwc.ac.za)
The spatial distribution of low substituted (LS-AX) and highly substituted arabinoxylan (HS-AX) was determined using FT-IR spectroscopic mapping of transverse thin cross-sections consisting of cell walls only. (uea.ac.uk)
Methods: We coupled species distribution models and a forest succession model, working at complementary spatial and temporal scales, to simulate the climatic filtering that shapes potential tree species pools, the biotic filtering that shapes realized communities and the functioning of these realized communities in the long-term. (lu.se)
Conclusions: These maps act as a spatial guide for future surveillance activities to better characterise the geo- graphical distribution of the disease and understand the anthropological, virological and zoological interactions necessary for viral transmission. (folkhalsomyndigheten.se)

Species distribution models have many applications in conservation and ecology, and climate data are frequently a key driver of these models. (usgs.gov)
These data and tools will provide robust scientific characterization of species and habitats and the associated conservation protections and threats to better inform landscape-scale decisions. (usgs.gov)
Land managers and policy makers can use this data to make better-informed decisions when identifying priority areas or species for conservation. (usgs.gov)
Our mission is to provide robust scientific characterization of species and habitats and the associated conservation protections and threats in the U.S. and its territories, under past and present conditions and with projections into the future, to better inform landscape-scale decisions. (usgs.gov)
The USGS GAP has a long history of contributing to the conservation of our Nation's plant and animal species," says Ryan Perkl, Esri Green Infrastructure Lead. (usgs.gov)
GAP's mission is to provide state, regional, and national biodiversity assessments of the conservation status of native vertebrate species and natural land cover types and to facilitate the application of this information to land management activities. (usgs.gov)
The 2015 Release of the Global Amphibian Richness Grids data set of the Gridded Species Distribution collection are aggregations of the presence grids data for the entire class, individual families, and International Union for the Conservation of Nature (IUCN) Red List status categories. (columbia.edu)
Therefore, it is important to study the potential future distribution of this species and determine strategies for conservation. (scialert.net)
Investigating potential sites for cultivation is therefore an important first step towards the conservation of the representative species. (scialert.net)
Large herbivores play an important role in species-based and site-based conservation approaches in the country. (magiran.com)
Our findings showed that while the distributions of the studied species were correlated to different variables, conservation areas, landscape roughness and grasslands were the most contributing factors in predicting distribution of the species. (magiran.com)
Despite the strong structural connectivity in some species, large proportion of migration corridors outside of conservation areas and high degrees of anthropogenic disturbances in natural habitat may reduce functionality of the predicted corridors. (magiran.com)
The present study applies a series of new techniques to understand the conservation of Cerrado tree species in the face of climate change. (biotaneotropica.org.br)
Since only 2.25% of the Cerrado biome is presently protected, this future scenario presents a pessimistic forecast, which would likely include widespread species loss from the biome, as well as dramatic shifts to the south and east, further complicating conservation planning efforts. (biotaneotropica.org.br)
Information on distribution, number of populations, and biotic interactions are essential for assessing the threat status of species and to establish more effective conservation initiatives. (scielo.br)
Our study highlights the use of ecological niche modeling and data on biotic interactions to evaluate species potential distribution, to guide new sampling efforts, and to assist conservation and management initiatives. (scielo.br)
Given these declines, conservation organizations propose to list the African lion as "endangered" under the U.S. Endangered Species Act and to upgrade the species' CITES protections from Appendix II to Appendix I. To establish the lion's current conservation status, I analyzed the size, distribution, and potential connections of populations across its range in Africa. (duke.edu)
An apparent lack of high-quality reptile distribution data inhibits the effective monitoring of the statuses of these animals within KNP, which in turn limits management and conservation options. (uwc.ac.za)
Modeling species' geographic distributions is an important problem in conservation biology. (scikit-learn.org)

For each method, we outline approaches for data processing and modelling that are suitable for using citizen science data for estimating species distributions. (biorxiv.org)
In this study, I use several methods to quantify available reptile occurrence data which formed the foundations for predicting the distributions of these species across KNP by means of species distribution modelling, with a view to gaining novel insight into reptile assemblage structure across the landscape of KNP. (uwc.ac.za)
Our proposed approach offers a strong and practical alternative for species distribution modelling when species occurrence data are not accessible, or reliable, or both. (utwente.nl)
We are thrilled to announce the 6th edition of the "Species Distributions Modelling Course: Concepts, Methods, Applications, and Challenges" that Babak Naimi and I give every year. (maraujolab.eu)
Miguel Araújo participated in the group of experts tasked with helping to improve the usefulness of GBIF-mobilized data for distribution modelling research. (maraujolab.eu)
The report summarizes survey results drawn from the distribution modelling research community and the group's own views. (maraujolab.eu)
Ecography has just published a new software not article by Babak Naimi and Miguel Araújo featuring the new sdm R platform for species distributions modelling. (maraujolab.eu)
This EMSAfrica work package uses a combination of field monitoring - using BISMOPs (biome shift monitoring phytometers) - and process-based species distribution modelling to assess species, biodiversity and biome shifts. (emsafrica.org)
"Maximum entropy modeling of species geographic distributions" S. J. Phillips, R. P. Anderson, R. E. Schapire - Ecological Modelling, 190:231-259, 2006. (scikit-learn.org)
A map defining areas of environmental suitability for zoonotic transmission of Lassa fever was generated using an ensemble boosted regression trees (BRT) species distribution modelling framework. (folkhalsomyndigheten.se)

Here, we produced species distribution models for five disparate species using four different modeling algorithms and compared results between two different, but overlapping, climate normals time periods. (usgs.gov)

An important limitation of this study is that only those species with more than 30 unique occurrence records were used-hence, the study is limited to those species of relatively broad geographic distribution, and does not take into account those species with narrower geographic distributions. (biotaneotropica.org.br)
This page presents an overview of geographic distribution maps and histograms of elevations using those points. (tchester.org)
Geographic distribution maps for all species GPS points. (tchester.org)
Geographic distribution maps for all species GPS points separated by elevation in feet. (tchester.org)
The rest of this page gives an overview of the botanical structure of the geographic distribution maps of individual species. (tchester.org)
We first group the species into those with similar distributions to show how dramatically different those groups are in geography, and then show examples of how individual species can vary in their geographic distribution. (tchester.org)
In this example, we model the geographic distribution of two South American mammals given past observations and 14 environmental variables. (scikit-learn.org)

Arcod is part of the Census of Marine Life, a huge 10-year project involving researchers in more than 80 nations that aims to chart the diversity, distribution and abundance of life in the oceans. (wikipedia.org)
This study aimed to evaluate freshwater snail species diversity, abundance, and distribution in KwaZulu-Natal (KZN) province, South Africa, between December 2020 to February 2021. (mdpi.com)
Researchers have discovered that ancient events from 20,000 years ago or more are still impacting the diversity and distribution of mammal species worldwide. (scitechdaily.com)
The overall shape of the histogram, with more points at lower elevations and few points at higher elevations, reflects both the larger area at lower elevations and the higher species diversity there. (tchester.org)
The steep drop in the number of species GPS points above 9300 feet is created by the same factors creating the dip from 8700 to 8900 feet, as well as the low diversity of species at higher elevations. (tchester.org)
The spot surveys in which we recorded all the species found within about 100 feet of each spot can be used to map the species diversity in those areas that contain spot surveys. (tchester.org)
dicoccum ) (all members of the Pooideae sub-family of grasses) were selected according to variation in their contents of soluble and/or total arabinoxylan (AX) determined during the HEALTHGRAIN diversity screen, together with one genotype of the related "model" grass species Brachypodium distachyon . (uea.ac.uk)
The combination of predation pressure and the anti-predator traits exhibited by individual species largely determined the composition of tadpole assemblages in individual bodies of water (a diversity). (edu.au)
The heterogeneous distribution of predators among bodies water and the diversity of antipredator defenses exhibited by larval amphibians facilitated high diversity in this community (ߠdiversity). (edu.au)
author = {{Cronberg, Nils}}, issn = {{1615-6110}}, keywords = {{Bryophyta - Sphagnum rubellum - S. capillifolium - Isozymes - allozymes - genetic distance - genetic diversity - clonal diversity - breeding system - hybridization - gene flow - postglacial migration}}, language = {{eng}}, number = {{3-4}}, pages = {{139--158}}, publisher = {{Springer}}, series = {{Plant Systematics and Evolution}}, title = {{Population structure and interspecific differentiation of peat moss sister species Sphagnum capillifolium and S. rubellum in northern Europe. (lu.se)

The main variables that contributed towards predicting the species distribution were annual precipitation and temperature seasonality. (scialert.net)

Moreover, the very likely reason of differences in the size of spider species between the ground layer and other habitats is the most complex structure of the former habitat. (bioone.org)
The findings, reported in Progress in Oceanography , suggest ocean temperature will continue to play a major role in where commercially and recreationally important species will find suitable habitat. (phys.org)
Species that are currently found in the Mid-Atlantic Bight and on Georges Bank may have enough suitable habitat in the future because they can shift northward as temperatures increase," said lead author Kristin Kleisner, formerly of the Northeast Fisheries Science Center (NEFSC)'s Ecosystems Dynamics and Assessment Branch and now a senior scientist at the Environmental Defense Fund. (phys.org)
Species concentrated in the Gulf of Maine, where species have shifted to deeper water rather than northward, may be more likely to experience a significant decline in suitable habitat and move out of the region altogether. (phys.org)
The future temperatures were then used to project where marine species would find suitable habitat. (phys.org)
These animations show projected distributions of suitable thermal habitat based on the NOAA Geophysical Fluid Dynamics Laboratory's high-resolution global climate model (CM2.6). (phys.org)
It is important to note that these are ONLY projections of thermal habitat and DO NOT include other important factors such as fishing mortality, species interactions, and bottom-up forcing. (phys.org)
Key northern species including Acadian redfish, American plaice, Atlantic cod, haddock, and thorny skate may lose thermal habitat, while spiny dogfish and American lobster may gain. (phys.org)
In contrast, species like monkfish, witch flounder, white hake and sea scallops may remain accessible to major local fishing ports but could experience strong declines in habitat due to ocean warming. (phys.org)
A new dataset of habitat distribution for terrestrial vertebrate species in the conterminous United States is now available from the USGS. (usgs.gov)
This habitat distribution and species range information is a foundational data set for the USGS National Biogeographic Map , which is being developed to make biodiversity data and analytical tools more widely available to land managers and decision makers. (usgs.gov)
The species distribution data was created by modeling the predicted habitat of each of 1,600 terrestrial vertebrate species, based on 2001 nationwide land cover data ( USGS-GAP 2016 ) interpreted with an authoritative database of relationships between vegetation and species, along with other environmental data. (usgs.gov)
Distribution range colours indicate degree of suitability of habitat which can be interpreted as probabilities of occurrence. (aquamaps.org)
We developed a geospatial workflow that refines the distribution of a species from its extent of occurrence (EOO) to area of habitat (AOH) within the species range map. (datadryad.org)
The data consists of species occurrences and absences, in addition to environmental layers required for the geoworkflow (habitat and elevation layers). (datadryad.org)
The occurrence of D. ferricola populations was limited to outcrops of flat ironstone (cangas) distributed in patches across the landscape, increasing the chances of serious threats, such as habitat loss due to mining and species extraction. (scielo.br)
Population distribution describes how the individuals are distributed, or spread throughout their habitat. (scienceoxygen.com)
Species distribution models provide a tool for mapping habitat and can produce credible, defensible, and repeatable information with which to inform decisions. (scienceoxygen.com)
We invited experts to fill in an online questionnaire and express their beliefs on the habitat of the species by assigning probability values for given environmental variables, along with their confidence in expressing the beliefs. (utwente.nl)

abstract = "Monitoring progress towards global goals and biodiversity targets require reliable descriptions of species distributions over time and space. (utwente.nl)
ABSTRACT This research compared the numbers and types of different Mycobacterium species in soil samples taken from 2 areas of Golestan province, Islamic Republic of Iran, 1 with a high prevalence of tuberculosis and 1 with a low prevalence. (who.int)

The new species can be differentiated from all other species of the genus by the unique presence in males of uniform bluish gray pigmentation on flanks (without vertical bands) and unpaired fins. (scielo.br)
Species of the genus Austrolebias Costa are the most numerous annual fishes of temporary ponds and wetlands in the lower Plata-Paraná basin and the Patos-Merín system. (scielo.br)
This species is described as the most complex and widespread species within the genus [ 7 ]. (usda.gov)
Identify yeast species isolated from unexposed, exposed and HIV-carrier children, and verify the effectiveness of low power laser photodynamic therapy (PDT) on the yeasts species belonging to the Candida genus. (bvsalud.org)

Patterns of distribution change depending on the scale at which they are viewed, from the arrangement of individuals within a small family unit, to patterns within a population, or the distribution of the entire species as a whole (range). (wikipedia.org)
Distribution patterns may change by season, distribution by humans, in response to the availability of resources, and other abiotic and biotic factors. (wikipedia.org)
The knowledge of body size patterns of co-occurring species and the related factors can contribute to the understanding of many ecological processes. (bioone.org)
Patterns of population distribution tend to be uneven. (scienceoxygen.com)
This allows to exactly identifying distribution patterns in relation to environmental conditions. (awi.de)

The researchers used bottom trawl survey data collected between 1968 and 2013 on the shelf to estimate niches for 58 demersal and pelagic species. (phys.org)
Interpretation of models of fundamental ecological niches and species' distributional areas. (scielo.br)

Marzena Stańska and Tomasz Stański "Body Size Distribution of Spider Species in Various Forest Habitats," Polish Journal of Ecology 65(4), 359-370, (1 December 2017). (bioone.org)

Despite the recognized importance of historical factors in controlling many native species distributions, few studies have incorporated historical landscape changes into models of invasive species distribution and abundance. (harvard.edu)
We estimate three widely applied metrics for describing species distributions: encounter rate, occupancy probability, and relative abundance. (biorxiv.org)
In order to analyse the community composition, abundance and depth distribution of the species in the Fram Strait, we have conducted two hauls during a RV Polarstern cruise in July/August 2015 (PS93.2) to the deep-sea observatory "Hausgarten" of the Alfred-Wegener-Institute, Germany. (awi.de)

The potential distribution map highlighted areas with higher probability of occurrence of D. ferricola on the Residual Plateau of Maciço do Urucum located in Mato Grosso do Sul, Brazil. (scielo.br)
distribution function, mathematical expression that describes the probability that a system will take on a specific value or set of values. (scienceoxygen.com)

Scientists using a high-resolution global climate model and historical observations of species distributions on the Northeast U.S. Shelf have found that commercially important species will continue to shift their distribution as ocean waters warm two to three times faster than the global average through the end of this century. (phys.org)
Among the observations where animals could be identified to the species level, humpback whales are preponderant, as they represent about half of the whale groups observed (n = 293). (oregonstate.edu)
Observations on the Distribution of Tabanidae in the Caribbean Area, with New Records of Species From Trinidad. (hindawi.com)
A discussion that started with observations that more complex models were fitting species distributions data better than simpler models. (maraujolab.eu)

This study suggests things are more complex, and that we will need to take legacy effects into consideration when making predictions about how climate change will affect species distributions. (scitechdaily.com)
What factors affect species distribution? (scienceoxygen.com)

As the basis of this work, we are using existing SANBI and SAEON datasets on the distribution of vascular plants in South Africa and creating new monitoring data on how the plant growth forms that define biomes are responding to climate change. (emsafrica.org)

Results of predictions of present and future distributions varied widely among species. (biotaneotropica.org.br)
Species of Trichinella responsible for the infection are widely geographically distributed (see table), with habitats including the Arctic, temperate lands, and the tropics. (medscape.com)

Biotic factors such as predation, disease, and inter- and intra-specific competition for resources such as food, water, and mates can also affect how a species is distributed. (wikipedia.org)
Species distributions are dependent on interactions with abiotic and biotic factors in the environment. (scienceoxygen.com)

Due to their multiple uses, their high nutritional and medicinal value, members of Sapindaceae have been identified as one of the most important forest species to be conserved and valued in Africa. (scialert.net)
Results suggest that the distribution model was excellent with training AUC value of 0.974 and test AUC value of 0.960 confirming the wide distribution of Sapindaceae in West Africa. (scialert.net)
It took almost five years to create and analyze the study's data, which includes information about the diets, body sizes and variety of species in 515 mammal communities from Africa, Asia, Madagascar, and the Americas. (scitechdaily.com)
The authors spent more than five years compiling and analyzing data about the diets, body sizes, and variety of species in 515 mammal communities - each with multiple species - in the tropical and subtropical regions of the Americas, Africa, and Asia. (scitechdaily.com)
This map shows the distribution of ebolaviruses in Africa since its discovery in 1976. (cdc.gov)
Zaire ebolavirus , Bundibugyo ebolavirus, and Sudan ebolavirus are the three species of ebolaviruses responsible for the larger outbreaks of Ebola disease in Africa. (cdc.gov)
Smaller outbreaks of this species have also occurred in DRC and Gabon, as well as the Republic of the Congo and South Africa. (cdc.gov)

For references , please go to https://www.eea.europa.eu/data-and-maps/figures/distribution-of-outcomes-of-assessments or scan the QR code. (europa.eu)

Bottom: map giving the count of the number of individual species GPS points grouped into clusters. (tchester.org)

We applied techniques from the emerging field of ecological niche modeling to develop a first-pass assessment of likely effects of climate change on tree species' distributions in the Cerrado biome by relating known occurrence points to electronic maps summarizing ecological dimensions. (biotaneotropica.org.br)
Ecological niche modeling have been successfully applied to identify the potential distribution, even for rare species that have few recorded occurrence points. (scielo.br)
In this study, we evaluated the potential distribution and additionally generated the first data on the reproductive biology of Discocactus ferricola , due to its degree of threat and the absence of ecological data for that species. (scielo.br)
Thus, the points of occurrence can be used to construct ecological niche models (ENM) also known as species distribution models (SDM) ( Soberón & Peterson 2005 SOBERÓN, J. & PETERSON, A.T. 2005. (scielo.br)
The field of distributional ecology has seen considerable recent attention, particularly surrounding the theory, protocols, and tools for Ecological Niche Modeling (ENM) or Species Distribution Modeling (SDM). (ku.edu)

As native habitats are altered, fragmented, or eliminated, native species decrease, the protection of species and natural communities before they become threatened is a highly effective strategy. (usgs.gov)

These species data are one of the foundational data sets in the Map. (usgs.gov)
These species data have been developed through the USGS Gap Analysis Project (GAP) within SAS. (usgs.gov)
In order to reduce the effect of temporal bias and to match the species data with the environmental climatic data (produced over the period 1950-2000), herbarium records collected before 1950 were eliminated. (scialert.net)
To demonstrate key challenges in analysing citizen science data, we use the example of estimating species distributions with data from eBird, a large semi-structured citizen science project. (biorxiv.org)
Here, we describe the consequences and utility of applying our suggested approach to semi-structured citizen science data to estimate species distributions. (biorxiv.org)
Here we provide sample data to run the geospatial workflow for nine forest species across Mexico and Central America. (datadryad.org)
Distributional data represent 15,657 records for 162 tree species occurring in Cerrado. (biotaneotropica.org.br)
All models used to represent species' present geographic ranges were highly statistically significant based on independent test data sets of point localities. (biotaneotropica.org.br)
The distribution of a statistical dataset is the spread of the data which shows all possible values or intervals of the data and how they occur. (scienceoxygen.com)
A distribution is simply a collection of data or scores on a variable. (scienceoxygen.com)
Current gaps in accessible information on species distributions urges the need for integrating all available data and knowledge sources, and intensifying cooperations to more effectively support global environmental governance. (utwente.nl)
Create a bunch with information about a particular organism This will use the test/train record arrays to extract the data specific to the given species name. (scikit-learn.org)

Indeed, out of 162 species examined, between the two climate change scenarios, 18 (HHGSDX50 scenario) - 56 (HHGGAX50 scenario) were predicted to end up without habitable areas in the Cerrado region, and 91 (HHGSDX50 scenario) - 123 (HHGGAX50 scenario) species were predicted to decline by more than 90% in potential distributional area in the Cerrado region. (biotaneotropica.org.br)
However, it is anticipated that climate change will lead to shifts in the distribution of plant species. (emsafrica.org)

Species distribution, or species dispersion, is the manner in which a biological taxon is spatially arranged. (wikipedia.org)
Within that range, distribution is the general structure of the species population, while dispersion is the variation in its population density. (wikipedia.org)
Each point reflects part of realized niche and, therefore, contains information on abiotic conditions, biotic interactions, and the dispersion capacity that are required for the occurrence of species ( Soberón & Peterson 2005 SOBERÓN, J. & PETERSON, A.T. 2005. (scielo.br)
A population can also be described in terms of the distribution, or dispersion, of the individuals that make it up. (scienceoxygen.com)
Clumped distribution is the most common type of dispersion found in nature. (scienceoxygen.com)
Regular dispersion (also called a uniform or even distribution or overdispersion) occurs either when an individual has a tendency to avoid other individuals, or when individuals that are especially close to others die. (scienceoxygen.com)

It is a zoonosis, with the primary reservoir species identified as the Natal multimammate mouse, Mastomys natalensis. (folkhalsomyndigheten.se)

The new species presents some morphological characteristics similar to A. gymnoventris and A. luteoflammulatus. (scielo.br)

In the present study, we assessed structural connectivity for wild sheep (Ovis gmelini), wild goat (Capra aegagrus), goitered gazelle (Gazella subgutturosa), and Indian gazelle (Gazella bennettii), using species distribution algorithms and connectivity models. (magiran.com)
Sdm R is an object-oriented, reproducible and extensible, platform for running models of species distribtions. (maraujolab.eu)
Photo by Stef Lewandowski and licensed under creative commons There is a longstanding discussion about the degree of model complexity that species distributions models have to have in order to maximise the usefulness of the predictions. (maraujolab.eu)

An example of the effects of abiotic factors on species distribution can be seen in drier areas, where most individuals of a species will gather around water sources, forming a clumped distribution. (wikipedia.org)

Our results indicate that interpretations of both native community composition and modern plant invasions must consider the importance of historical landscape changes and the timing of species introduction along with current environmental conditions. (harvard.edu)
Definition: Geographical distribution of occurrence of animal and plant species aggregated by grid, region, administrative unit or other analytical unit. (scienceoxygen.com)
What is plant distribution? (scienceoxygen.com)
Plant distributions is governed by a combination of historical factors, ecophysiology and biotic interactions. (scienceoxygen.com)
A species GPS point is a single GPS point associated with a single plant species. (tchester.org)
There may be several plant species recorded at a single GPS point. (tchester.org)
Our general procedure in surveys was to record the location of just the first plant of each species. (tchester.org)

Northward shifts of many species are already happening, with major changes expected in the complex of species occurring in different regions on the shelf, and shifts from one management jurisdiction to another. (phys.org)
The collective shifts of multiple species in turn implies that entire biomes may shift. (emsafrica.org)
However, at the warmest and coldest sites, changes in productivity were related mostly to shifts in species composition. (lu.se)

The occurrence points of a species carry information about its distribution, which is a complex expression of its ecology and evolutionary history ( Brown 1995 BROWN, J.H. 1995. (scielo.br)

For many areas and species groups, experts can constitute a valuable source of information to fill the gaps by offering their knowledge on species-environment interactions. (utwente.nl)

The aim of the study was the analysis of the distribution of the spider species of different size in heterogeneous forest habitats: ground, herbaceous vegetation, tree trunks and leaves. (bioone.org)
Several potential mechanisms are discussed as those determining the preference of various sized spider species in particular habitats like different microclimatic conditions, the nutritional quality of prey and predation. (bioone.org)
Disease distribution is correlated to the distribution of the freshwater snails which in turn is influenced by the physicochemical status of the habitats. (mdpi.com)
The success of these approaches depends on reducing genetic threats posed by isolation of species in their key habitats. (magiran.com)
Nearly all species of tadpoles that occurred in habitats with high fish densities were unpalatable to fish (except Centrolenella oyampiensis), indicating that unpalatability is a major adaptation allowing tadpoles and fish to coexist in this system. (edu.au)

And with it, finally comes the time to look more closely at the ecology and behavior of my species of interest. (oregonstate.edu)
What is regular distribution in ecology? (scienceoxygen.com)
Knowledge of global reptile ecology is limited and there remains much to understand in terms of detailed reptile species information, including that of their distributions. (uwc.ac.za)

50% of potential distributional area for essentially all species. (biotaneotropica.org.br)

Also, due to formation of residential, industrial and other layouts, the natural slopes, vegetation and land cover gets disturbed however, species composition can be predicted by local environmental conditions ( Ali and Kauser, 2006 ). (scialert.net)

Although the correlation structure among climate predictors did not change between the time periods, model results were sensitive to both baseline climate period and model method, even with model parameters specifically tuned to a species. (usgs.gov)
Each species and each model type had at least one difference in variable retention or relative ranking with the change in climate time period. (usgs.gov)
We applied DST to model the distribution of two species of eagle in Spain. (utwente.nl)

In total, 247 spider species belonging to 22 families were recorded: 195 species in the ground layer, 122 in herbaceous vegetation, 60 on trunks, and 48 on leaves. (bioone.org)
The analysis revealed that ground layer was inhabited by the small sized species (mean 5.2 ± 0.11 mm) while larger species inhabited herbaceous vegetation (mean 6.6 ± 0.26 mm), trunks (7.2 ± 0.20 mm) and leaves (6.8 ± 0.41 mm). (bioone.org)

The most common species isolated were Mycobacterium fortuitum , M. flavescens and M. chelonae . (who.int)
Our objective in this research was to These facultative pathogens can cause compare the number and types of different infection, especially among immunosup- species of Mycobacterium in the soil from pressed or immunodeficient patients [ 4 ]. (who.int)

Due to limited resources, populations may be evenly distributed to minimize competition, as is found in forests, where competition for sunlight produces an even distribution of trees. (wikipedia.org)
capillifolium, versus 0.627 between populations of the two species. (lu.se)
Interspecific gene flow was indicated by the observation of occasional plants in sympatric populations with alleles otherwise unique to the other species. (lu.se)

Including these covariates accounted for heterogeneity in detectability and reporting, and resulted in substantial differences in predicted distributions. (biorxiv.org)
In addition, there were no differences in the distribution of maternal vaginal microbiome clusters among infant stool microbiome clusters, regardless of delivery mode. (medscape.com)

Researchers looked at species distributions in spring and fall in the Gulf of Maine on the northern part of the Northeast Shelf and those on the southern end, from Georges Bank to the Mid-Atlantic Bight. (phys.org)

Introduced typically means that a species has been transported by humans (intentionally or accidentally) across a major geographical barrier. (wikipedia.org)
[ 2 ] Humans are infected when they ingest inadequately cooked meat that contains larvae of Trichinella species, usually Trichinella spiralis, which is present mainly in wild game meat or pork. (medscape.com)
In humans and animals, snakebite envenoming affects multiple organ systems (depending on the particular species of snake and the classes of toxins present in the venom) and can cause, among other things: haemorrhage and prolonged disruption of haemostasis, neuromuscular paralysis, tissue necrosis, myolysis (muscle degeneration), cardiotoxicity, acute kidney injury, thrombosis and hypovolaemic shock. (who.int)

In biology, the range of a species is the geographical area within which that species can be found. (wikipedia.org)
The Chinese geographical distribution of each species was also described. (ishs.org)

Major taxa studied: Twenty-five common tree species in European temperate forests. (lu.se)
Results: Under an average temperature increase (relative to 1901-1990) of between 1.5 and 1.7 °C, changes in simulated forest productivity were caused mostly by changes in the growth of persisting tree species. (lu.se)
With an average temperature increase of 3.6-4.0 °C, changes in simulated productivity at sites that currently have a mild climate were again caused predominantly by changes in tree species growth. (lu.se)

In order to create denser maps for common species, in many places we also did spot surveys spaced every 0.1 to 0.5 mile in which we recorded all the species found within about 100 feet of each spot. (tchester.org)

Home » Biology » What is meant by the distribution of a species? (scienceoxygen.com)
What is population distribution in biology? (scienceoxygen.com)

Separate statistical analyses were conducted for each community to determine how well recent and ancient events - both climatic and human - could account for present-day diets, body sizes, and species variation. (scitechdaily.com)
There was some variation within several Fragaria species. (ishs.org)

Transmission of these species does not occur within the United States (including Puerto Rico) and Canada, but the disease may be present in travelers and immigrants from endemic areas. (msdmanuals.com)

This study shows that as the ocean temperatures rise species are beginning to travel into the cold and harsh Arctic waters. (wikipedia.org)
The B. oleracea being closest to Arabidopsis thaliana is considered an important Brassica species to study polyploidy 8 . (nature.com)
Study of the accumulation and distribution of arsenic species and association with arsenic toxicity in rats after 30 days of oral realgar administration. (bvsalud.org)

Brassicaceae is a vast family of plants including 372 genera and 4,006 species contributing to condiments, biofuel, food, oil, and fulfilling fodder demands for the ecosystem 1 . (nature.com)

If the current climate is what's most important for where you see species, then as climate changes, we might expect species to track climate to the best of their abilities," she said. (scitechdaily.com)
Why is species distribution important? (scienceoxygen.com)
The B. carinata (Ethiopian mustard, BBCC, 2n = 4X = 34) is an important species that contains 17 sets of chromosomes with a genome size of 1.087 Gb. (nature.com)

The grid cell values represent the number of species in a particular class, family or IUCN threatened category. (columbia.edu)

Spatial9

Conservation19

Modelling10

Produced species distribution models1

Geographic distribution7

Diversity10

Predicting1

Habitat19

Abstract2

Genus4

Patterns5

Niches2

20171

Abundance3

Probability2

Observations4

Affect species2

Datasets1

Widely2

Biotic factors2

Africa7

Assessments1

Individual species1

Ecological5

Native species1

Data12

Climate change2

Dispersion6

Mastomys1

Morphological characteristics1

Models3

Abiotic1

Plant7

Shifts3

Occurrence points1

Interactions1

Habitats5

Ecology3

Distributional1

Composition1

Model3

Vegetation2

Mycobacterium2

Populations3

Differences2

Researchers1

Humans3

Geographical2

Tree species3

Common species1

Biology2

Variation2

Occur1

Study3

Genera1

Important3

Grid1