A5032164522- Species Distribution and Climate Change
- Wildlife Ecology and Conservation
- Ecology and Vegetation Dynamics Studies
- Genetic diversity and population structure
- Zoonotic diseases and public health
- Plant and animal studies
- Genomics and Phylogenetic Studies
- Aquatic Invertebrate Ecology and Behavior
- Remote Sensing in Agriculture
- Amphibian and Reptile Biology
- Wildlife-Road Interactions and Conservation
- Viral Infections and Vectors
- Animal Ecology and Behavior Studies
- Isotope Analysis in Ecology
- Fire effects on ecosystems
- Fish Ecology and Management Studies
- Animal and Plant Science Education
- Environmental DNA in Biodiversity Studies
- Bat Biology and Ecology Studies
- Parasite Biology and Host Interactions
- Rangeland and Wildlife Management
- Animal Behavior and Reproduction
- Animal Vocal Communication and Behavior
- Coastal wetland ecosystem dynamics
- Viral Infections and Outbreaks Research
University of Tennessee System
2025
University of Tennessee at Knoxville
2017-2024
National Institute for Mathematical and Biological Synthesis
2018-2024
Institute of Zoology
2018
Chinese Academy of Sciences
2018
University of Arizona
2018
Virginia Tech
2018
University of Kansas
2003-2018
Tianjin Normal University
2018
Oklahoma State University
2011-2017
We compared predictive success in two common algorithms for modeling species’ ecological niches, GARP and Maxent, a situation that challenged the to be general – is, able predict distributions broad unsampled regions, here termed transferability. The results were strikingly different between Maxent models reconstructed overall of species at low thresholds, but higher levels predictions reflected overfitting input data; models, on other hand, succeeded anticipating most distributional...
Ecological niche models are widely used in ecology and biogeography. Maxent is one of the most frequently modeling tools, many studies have aimed to optimize its performance. However, scholars conflicting views on treatment predictor collinearity modeling. Despite this lack consensus, quantitative examinations effects modeling, especially model transfer scenarios, lacking. To address knowledge gap, here we quantify under different scenarios training projection. We separately examine...
ABSTRACT The conservation of poorly known species is difficult because incomplete knowledge on their biology and distribution. We studied the contribution two ecological niche modelling tools, Genetic Algorithm for Rule‐set Prediction (GARP) maximum entropy (Maxent), in assessing potential ranges distributional connectivity among 12 least African Asian viverrids. level agreement between GARP Maxent predictions was low when < 15 occurrences were available, probably indicating a minimum...
Ecological niche modeling (ENM) is used widely to study species’ geographic distributions. ENM applications frequently involve transferring models calibrated with environmental data from one region other regions or times that may include novel conditions. When conditions are present, transferability implies extrapolation, whereas, in absence of such conditions, an interpolation step only. We evaluated produced using 11 algorithms the perspective and extrapolation a virtual species framework....
Ecological niche modeling, a new methodology for predicting the geographic course of species' invasions, was tested based on four invasive plant species (garlic mustard, sericea lespedeza, Russian olive, and hydrilla) in North America. Models ecological niches distributions native distributional areas (Europe Asia) were highly statistically significant. Projections each to America—effectively predictions potential—were coincident with known invasions. Hence, case, potential well summarized...
Abstract The suite of factors that drives where and under what conditions a species occurs has become the focus intense research interest. Three general categories methods have emerged by which researchers address questions in this area: mechanistic models species’ requirements terms environmental are based on first principles biophysics physiology, correlational associations derived from analyses geographic occurrences species, process-based simulations estimate occupied distributional...
Success of the cattle industry in Latin America is impeded by common vampire bat, Desmodus rotundus, through decreases milk production and mass gain increased risk secondary infection rabies. We used ecological niche modeling to predict current potential distribution D. rotundus future species for years 2030, 2050, 2080 based on A2, A1B, B1 climate scenarios from Intergovernmental Panel Climate Change. then combined present day with density estimates identify areas where are at higher...
Invasive species are leading drivers of environmental change. Their impacts often linked to their population size, but surprisingly little is known about how frequently they achieve high abundances. A nearly universal pattern in ecology that rare most locations and abundant a few, generating right-skewed abundance distributions. Here, we use data from over 24,000 populations 17 invasive 104 native aquatic test whether differ counterparts statistical patterns across multiple sites. on average...
ABSTRACT Identifying patterns and drivers of infectious disease dynamics across multiple scales is a fundamental challenge for modern science. There growing awareness that it necessary to incorporate multi‐host and/or multi‐parasite interactions understand predict current future threats better, new tools are needed help address this task. Eco‐phylogenetics (phylogenetic community ecology) provides one avenue exploring systems, yet the incorporation eco‐phylogenetic concepts methods into...
The structural heterogeneity of vegetation is a key factor for explaining animal diversity patterns at local scale. Improvements in airborne light detection and ranging (lidar) technologies have enabled researchers to study forest 3D structure with increasing accuracy. Most structure–animal work has focused on metrics derived from lidar returns canopy terrain features. Here, we built new based the Leaf Area Density (LAD) each height layer, used these how different aspects explain variation...
ABSTRACT Species are distributed in predictable ways geographic spaces. The three principal factors that determine distributions of species biotic interactions ( B ), abiotic conditions A and dispersal ability or mobility M ). is expected to be present areas accessible it contain suitable sets for persist. species' probability presence can quantified as a combination responses , via ecological niche modeling (ENM; also frequently referred distribution SDM). This analytical approach has been...
Most spiders use venom to paralyze their prey and are commonly feared for potential cause injury humans. In North America, one species in particular, Loxosceles reclusa (brown recluse spider, Sicariidae), causes the majority of necrotic wounds induced by Araneae. However, its distributional limitations poorly understood and, as a result, medical professionals routinely misdiagnose brown bites outside endemic areas, confusing putative spider other serious conditions. To address issue...
Climate warming is one of the most important threats to biodiversity. Ectothermic organisms such as amphibians and reptiles are especially vulnerable climatic conditions affect them directly. Ecological niche models (ENMs) increasingly popular in ecological studies, but several drawbacks exist, including limited ability account for dispersal potential species. In this study, we use ENMs explore impact global climate change on Caspian whip snake (Dolichophis caspius) model with low abilities...
ABSTRACT Aim Geographic distributions of species are constrained by several factors acting at different scales, with climate assumed to be a major determinant broad extents. Recent studies, however, have challenged this statement and indicated that may not dominate among the governing geographic species. Here, we argue these results misleading due lack consideration area has been accessible Location North America. Methods We generated null for 75 American endemic 19 non‐endemic bird For each...
Questions: Understanding distributions of tree species at landscape scales in tropical forests is a difficult task that could benefit from the recent development satellite imaging spectroscopy. We tested an application EO-1 Hyperion sensor to spectrally detect location five important taxa lowland humid southeastern Peru. Location: Peru, Departamento de Madre Díos. Methods: used linear discriminant analysis with stepwise selection procedure analyze two datasets (July and December 2006) choose...
Given the possibility of highly pathogenic H5N1 avian influenza arriving in North America and monitoring programs that have been established to detect track it, we review intercontinental movements birds. We divided 157 bird species showing regular into four groups based on patterns movement—one these (breed Holarctic, winter Eurasia) fits well with design (i.e., western Alaska), but other quite different movement patterns, which would suggest importance along Pacific, Atlantic, Gulf coasts America.
Abstract The distribution of the nine banded armadillo ( Dasypus novemcinctus ), only species in family Dasypodidae found USA , has expanded greatly since was first recorded southern Texas 1849. Currently, range D. includes 15 states . Previous studies on geographical expansion this species, based physiological experiments and surveys, revealed a possible western moisture limit, northern temperature potential north‐eastward We applied an ecological niche modelling approach produced map with...