Thomas E. Dilts
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View article: Grazing by non‐native ungulates negatively impacts vegetation important to a native species of concern
Grazing by non‐native ungulates negatively impacts vegetation important to a native species of concern Open
Non‐native grazers compete with native species across the globe. We present a novel approach to study the composition of the herbaceous understory across three study areas within the Great‐Basin with different historic and contemporary gra…
View article: Changes in selection of resources with reproductive state in a montane ungulate
Changes in selection of resources with reproductive state in a montane ungulate Open
Animals select habitats based on food, water, space, and cover. Each of those components are essential to the ability of an individual to survive and reproduce in a particular habitat. Selection of resources is linked to reproductive fitne…
View article: Agricultural margins could enhance landscape connectivity for pollinating insects across the Central Valley of California, U.S.A.
Agricultural margins could enhance landscape connectivity for pollinating insects across the Central Valley of California, U.S.A. Open
One of the defining features of the Anthropocene is eroding ecosystem services, decreases in biodiversity, and overall reductions in the abundance of once-common organisms, including many insects that play innumerable roles in natural comm…
View article: BPGA: an interactive Shiny application for basic population genetic analysis of genotype data
BPGA: an interactive Shiny application for basic population genetic analysis of genotype data Open
Background: Population structure and ancestry inference are routine in human genetics, yet remain inconvenient for non experts because canonical tools (PLINK, GCTA, ADMIXTURE) require command line expertise and careful data management. Res…
View article: Climatic history, constraints, and the plasticity of phytochemical traits under water stress
Climatic history, constraints, and the plasticity of phytochemical traits under water stress Open
Environmental stress can induce changes in organismal traits and in resulting intraspecific variation. The nature of such effects will depend on the plasticity of trait expression and on any ecological constraints to such expression. Plant…
View article: Topographic ruggedness indices in ecology: past, present and future
Topographic ruggedness indices in ecology: past, present and future Open
Context: Topographic ruggedness has been examined in thousands of ecological studies and is a popular variable for characterizing habitat selection. Despite widespread adoption, ruggedness metrics are often applied uncritically and require…
View article: Agricultural margins could enhance landscape connectivity for pollinating insects across the Central Valley of California, U.S.A
Agricultural margins could enhance landscape connectivity for pollinating insects across the Central Valley of California, U.S.A Open
One of the defining features of the Anthropocene is eroding ecosystem services as a function of decreases in biodiversity and overall reductions in the abundance of once-common organisms, including many insects that play innumerable roles …
View article: Governing Ecological Connectivity in Cross-Scale Dependent Systems
Governing Ecological Connectivity in Cross-Scale Dependent Systems Open
Ecosystem management and governance of cross-scale dependent systems require integrating knowledge about ecological connectivity in its multiple forms and scales. Although scientists, managers, and policymakers are increasingly recognizing…
View article: Spatial and Long-Term Temporal Changes in Water Quality Dynamics of the Tonle Sap Ecosystem
Spatial and Long-Term Temporal Changes in Water Quality Dynamics of the Tonle Sap Ecosystem Open
Tonle Sap lake-river floodplain ecosystem (TSE) is one of the world’s most productive freshwater systems. Changes in hydrology, climate, population density, and land use influence water quality in this system. We investigated long term wat…
View article: Changing Land Use and Population Density Are Degrading Water Quality in the Lower Mekong Basin
Changing Land Use and Population Density Are Degrading Water Quality in the Lower Mekong Basin Open
Establishing reference conditions in rivers is important to understand environmental change and protect ecosystem integrity. Ranked third globally for fish biodiversity, the Mekong River has the world’s largest inland fishery providing liv…
View article: Drivers and projections of ice phenology in mountain lakes in the western United States
Drivers and projections of ice phenology in mountain lakes in the western United States Open
Climate change is causing rapid warming and altered precipitation patterns in mountain watersheds, both of which influence the timing of ice breakup in mountain lakes. To enable predictions of ice breakup in the future, we analyzed a datas…
View article: Upper and lower treeline biogeographic patterns in semi‐arid pinyon‐juniper woodlands
Upper and lower treeline biogeographic patterns in semi‐arid pinyon‐juniper woodlands Open
Aim Upper and lower treelines are particularly exposed to a changing climate. It has been hypothesized that upper treelines are constrained by growing season temperature, whereas lower tree lines are water limited. We expect different caus…
View article: Geospatial data for Great Basin perennial montane watersheds - geomorphology, hydrology, vegetation, disturbance and species
Geospatial data for Great Basin perennial montane watersheds - geomorphology, hydrology, vegetation, disturbance and species Open
Multiple partners working together developed a multiscale approach for assessing the geomorphic sensitivity of streams and ecological resilience of riparian ecosystems, including meadows, in upland watersheds of the Great Basin to disturba…
View article: Rapidly Accelerating Deforestation in Cambodia’s Mekong River Basin: A Comparative Analysis of Spatial Patterns and Drivers
Rapidly Accelerating Deforestation in Cambodia’s Mekong River Basin: A Comparative Analysis of Spatial Patterns and Drivers Open
The Mekong River is a globally important river system, known for its unique flood pulse hydrology, ecological productivity, and biodiversity. Flooded forests provide critical terrestrial nutrient inputs and habitat to support aquatic speci…
View article: Resource selection of mule deer in a shrub‐steppe ecosystem: influence of woodland distribution and animal behavior
Resource selection of mule deer in a shrub‐steppe ecosystem: influence of woodland distribution and animal behavior Open
Ungulates inhabiting arid ecosystems are reliant on productive forb and shrub communities during summer months to meet nutritional demands for survival and reproduction. In the western United States, expansion of woodland vegetation into s…
View article: Host Plants and Climate Structure Habitat Associations of the Western Monarch Butterfly
Host Plants and Climate Structure Habitat Associations of the Western Monarch Butterfly Open
The monarch butterfly is one of the most easily recognized and frequently studied insects in the world, and has recently come into the spotlight of public attention and conservation concern because of declining numbers of individuals assoc…
View article: Contrasting climate niches among co‐occurring subdominant forbs of the sagebrush steppe
Contrasting climate niches among co‐occurring subdominant forbs of the sagebrush steppe Open
Aim Abiotic conditions are key components that determine the distribution of species. However, co‐occurring species can respond differently to the same factors, and determining which climate components are most predictive of geographic dis…
View article: Using Remotely-Sensed Land Cover and Distribution Modeling to Estimate Tree Species Migration in the Pacific Northwest Region of North America
Using Remotely-Sensed Land Cover and Distribution Modeling to Estimate Tree Species Migration in the Pacific Northwest Region of North America Open
Understanding future tree species migration is challenging due to the unprecedented rate of climate change combined with the presence of human barriers that may limit or impede species movement. Projected changes in climatic conditions out…