A5015920969- Wildlife Ecology and Conservation
- Rangeland and Wildlife Management
- Hydrology and Watershed Management Studies
- Species Distribution and Climate Change
- Cryospheric studies and observations
- Hydrology and Sediment Transport Processes
- Transportation Planning and Optimization
- Plant Water Relations and Carbon Dynamics
- Soil and Water Nutrient Dynamics
- Wildlife-Road Interactions and Conservation
- Ecology and Vegetation Dynamics Studies
- Traffic Prediction and Management Techniques
- Fish Ecology and Management Studies
- Soil erosion and sediment transport
- Data Management and Algorithms
- Hydrology and Drought Analysis
- Parasitic Infections and Diagnostics
- Rangeland Management and Livestock Ecology
- Animal Behavior and Welfare Studies
- Genetic and phenotypic traits in livestock
- Geological formations and processes
- Simulation Techniques and Applications
- Animal Behavior and Reproduction
- Ecology and biodiversity studies
- Water Quality and Resources Studies
California State University, Monterey Bay
2006-2022
Montana State University
2019
Australian Astronomical Observatory
2011
United States Geological Survey
2008
Pacific Island Ecosystems Research Center
2008
CSIRO Land and Water
2003
The University of Melbourne
1996-2001
Commonwealth Scientific and Industrial Research Organisation
1997
Emerald Group Publishing (United Kingdom)
1996
A water balance model was used to simulate the long-term increases in yield with forest age which are observed mountain ash (Eucalyptus regnans) forests of Victoria, Australia. Specifically, hypothesis tested that changes could be explained by evapotranspiration resulting from leaf area index (LAI). curve predicting total LAI constructed ground-based observations and their correlation Landsat Thematic Mapper measurements transformed normalized difference vegetation (TNDVI). further for...
Within predator-prey systems behavior can heavily influence spatial dynamics, and accordingly, the theoretical study of how dynamics relate to stability within these has a rich history. However, our understanding behaviors in large mammalian is poorly developed. To address relationship between predator selection patterns, prey density, vulnerability, we quantified patterns for two fine-scale recovering wolf (Canis lupus) population Yellowstone National Park, Wyoming, USA. Wolf data were...
Altered species interactions are difficult to predict and yet may drive the response of ecological communities climate change. We show that declining snowpack strengthens impacts a generalist herbivore, elk ( Cervus elaphus ), on common tree species. Thick substantially reduces visitation sites; aspen Populus tremuloides ) shoots in these areas experience lower browsing rates, higher survival enhanced recruitment. Aspen inside herbivore exclosures have greatly increased recruitment,...
Abstract African lions ( Panthera leo ) are declining continent‐wide, with protected area populations subject to a variety of anthropogenic effects. Zambia contains viable lion considerable importance for photographic and hunting tourism, but long‐term demographic data do not exist guide recent management directives population projections under different strategies. We described size, as well age sex structure in 3 Zambian national park bordering areas, found them be male‐depleted relative...
Understanding mechanisms influencing the movement paths of animals is essential for comprehending behavior and accurately predicting use travel corridors. In Yellowstone National Park (USA), effects roads winter road grooming on bison (Bison bison) routes spatial dynamics have been debated more than a decade. However, no rigorous studies conducted patterns. We collected 121 380 locations from 14 female with GPS collars in central to examine how topography, habitat type, roads, elevation...
Long distance migrations by ungulate species often surpass the boundaries of preservation areas where conflicts with various publics lead to management actions that can threaten populations. We chose partially migratory bison (Bison bison) population in Yellowstone National Park as an example integrating science into policies better conserve ungulates. Approximately 60% these have been exposed bovine brucellosis and thousands migrants exiting park boundary culled during past two decades...
Fecal pathogen contamination of watersheds worldwide is increasingly recognized, and natural wetlands may have an important role in mitigating fecal pollution flowing downstream. Given that waterborne protozoa, such as Cryptosporidium Giardia, are transported within surface waters, this study evaluated associations between protozoa various wetland-specific environmental risk factors. This focused on three distinct coastal California wetlands: (i) a tidally influenced slough bordered by urban...
Constructed wetland systems are used to reduce pollutants and pathogens in wastewater effluent, but comparatively little is known about pathogen transport through natural habitats. Fecal protozoans, including Cryptosporidium parvum, Giardia lamblia, Toxoplasma gondii, waterborne of humans animals, which carried by surface waters from land-based sources into coastal waters. This study evaluated key factors wetlands for the reduction protozoal parasites using settling column recirculating...
Throughout the world, fragmentation of landscapes by human activities has constrained opportunity for large herbivores to migrate. Conflict between people and wildlife results when migrating animals transmit disease livestock, damage property, threaten safety. Mitigating this conflict requires understanding forces that shape migration patterns. Bison Bos bison from Yellowstone National Park into state Montana during winter spring concern ranchers on lands surrounding park because can...
Mammalian carnivores are affected by various anthropogenic disturbances near urban environments. Urban expansion and increased activity in preserved habitats may cause shifts the current spatial distributions of those species. To predict effects future land-use changes on mammalian carnivores, we modeled their occurrence across former Fort Ord Army Base as a function proximity road/trail density. We collected detection/nondetection data for domestic dogs, coyotes (Canis latrans), gray foxes...