Search Results - "Larsen, Randy T"

The influence of habitat use on harvest vulnerability of cow elk (Cervus canadensis) by Sergeyev, Maksim, McMillan, Brock R, Hersey, Kent R, Larsen, Randy T

“…Pressure from hunting can alter the behavior and habitat selection of game species. During hunting periods, cervids such as elk (Cervus canadensis) typically…”
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Feral horses influence both spatial and temporal patterns of water use by native ungulates in a semi‐arid environment by Hall, Lucas K., Larsen, Randy T., Knight, Robert N., McMillan, Brock R.

“…The horse (Equus caballus) is a feral ungulate that currently exceeds target population sizes in many areas of western North America. Horses are behaviorally…”
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Dependence of spatial scale in landscape associations with cause‐specific predation of snowy plover nests by Ellis, Kristen S., Larsen, Randy T., Koons, David N.

“…Understanding relationships between habitat and ecological processes often depends on the spatial scale at which the landscape is measured. A common objective…”
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Negative effects of an exotic grass invasion on small-mammal communities by Freeman, Eric D, Sharp, Tiffanny R, Larsen, Randy T, Knight, Robert N, Slater, Steven J, McMillan, Brock R

“…Exotic invasive species can directly and indirectly influence natural ecological communities. Cheatgrass (Bromus tectorum) is non-native to the western United…”
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Behavioral differences at scent stations between two exploited species of desert canids by Sergeyev, Maksim, Richards, Kelsey A, Ellis, Kristen S, Hall, Lucas K, Wood, Jason A, Larsen, Randy T

“…Coyotes (Canis latrans) and kit foxes (Vulpes macrotis) are desert canids that share ecological similarities, but have disparate histories with anthropogenic…”
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Sharp-Tailed Grouse Nest Survival and Nest Predator Habitat Use in North Dakota's Bakken Oil Field by Burr, Paul C, Robinson, Aaron C, Larsen, Randy T, Newman, Robert A, Ellis-Felege, Susan N

“…Recent advancements in extraction technologies have resulted in rapid increases of gas and oil development across the United States and specifically in western…”
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Spatiotemporal variation in the fecal microbiota of mule deer is associated with proximate and future measures of host health by Eddington, Hyrum S, Carroll, Courtney, Larsen, Randy T, McMillan, Brock R, Chaston, John M

“…Abstract Background Mule deer rely on fat and protein stored prior to the winter season as an energy source during the winter months when other food sources…”
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A fine‐scale examination of parturition timing in temperate ungulates by Turnley, Matthew T., Hughes, Tabitha A., Larsen, Randy T., Hersey, Kent R., Broadway, Matthew S., Chitwood, M. Colter, Fairbanks, W. Sue, Lonsinger, Robert C., McMillan, Brock R.

“…Parturition timing has long been a topic of interest in ungulate research. However, few studies have examined parturition timing at fine scale (e.g., <1 day)…”
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The effects of electric power lines on the breeding ecology of greater sage-grouse by Kohl, Michel T, Messmer, Terry A, Crabb, Benjamin A, Guttery, Michael R, Dahlgren, David K, Larsen, Randy T, Frey, Shandra N, Liguori, Sherry, Baxter, Rick J

“…Anthropogenic infrastructure can negatively affect wildlife through direct mortality and/or displacement behaviors. Some tetranoids (grouse spp.) species are…”
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Efficacy of machine learning image classification for automated occupancy‐based monitoring by Lonsinger, Robert C., Dart, Marlin M., Larsen, Randy T., Knight, Robert N.

“…Remote cameras have become a widespread data‐collection tool for terrestrial mammals, but classifying images can be labor intensive and limit the usefulness of…”
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The influence of predators, competitors, and habitat on the use of water sources by a small desert carnivore by Hall, Lucas K., Larsen, Randy T., Knight, Robert N., McMillan, Brock R.

“…Free water can influence the ecology of desert species. While the use of free water is influenced by physiological factors (e.g., species‐specific water…”
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Evaluating movement-based methods for estimating the frequency and timing of parturition in mule deer by Hughes, Tabitha A, Larsen, Randy T, Hersey, Kent R, van de Kerk, Madelon, McMillan, Brock R

“…Information on reproduction of harvested species such as mule deer (Odocoileus hemionus) is vital for conservation and management. Furthermore, parturition in…”
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Variation in movement patterns of mule deer: have we oversimplified migration? by van de Kerk, Madelon, Larsen, Randy T, Olson, Daniel D, Hersey, Kent R, McMillan, Brock R

“…Abstract Background Conservation and management of migratory animals has gained attention in recent years, but the majority of research has focused on…”
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Correction: The effects of electric power lines on the breeding ecology of greater sage-grouse by Kohl, Michel T, Messmer, Terry A, Crabb, Benjamin A, Guttery, Michael R, Dahlgren, David K, Larsen, Randy T, Frey, Shandra N, Liguori, Sherry, Baxter, Rick J

“…[This corrects the article DOI: 10.1371/journal.pone.0209968.]…”
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Comparing direct and indirect methods to estimate detection rates and site use of a cryptic semi-aquatic carnivore by Day, Casey C., Westover, Matthew D., Hall, Lucas K., Larsen, Randy T., McMillan, Brock R.

“…•We compared direct and indirect methods for monitoring river otter presence and site use.•Cameras achieved higher monthly detection rates than scat…”
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Using satellite‐derived estimates of plant phenological rhythms to predict sage‐grouse nesting chronology by Stoner, David C., Messmer, Terry A., Larsen, Randy T., Frey, Shandra Nicki, Kohl, Michel T., Thacker, Eric T., Dahlgren, David K.

“…The “green wave” hypothesis posits that during spring consumers track spatial gradients in emergent vegetation and associated foraging opportunities. This idea…”
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Long-lasting effects of maternal condition in free-ranging cervids by Freeman, Eric D, Larsen, Randy T, Clegg, Ken, McMillan, Brock R

“…Causes of phenotypic variation are fundamental to evolutionary ecology because they influence the traits acted upon by natural selection. One such cause of…”
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Are opportunistic captures of neonate ungulates biasing relative estimates of litter size? by Turnley, Matthew T, Larsen, Randy T, Hughes, Tabitha A, Hinton, Morgan S, Sallee, Daniel W, Lamb, Sydney, Hersey, Kent R, McMillan, Brock R

“…Abstract The capture of neonate ungulates allows for the collection of valuable ecological data, including estimates of litter size. However, varied methods…”
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Using camera traps to estimate ungulate abundance: a comparison of mark–resight methods by Taylor, Jace C., Bates, Steven B., Whiting, Jericho C., McMillan, Brock R., Larsen, Randy T., Rowcliffe, Marcus, Sollmann, Rahel

“…Many global wildlife populations are experiencing unprecedented declines. Estimates of population abundance are needed to effectively manage common species and…”
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Water developments and canids in two North American deserts: a test of the indirect effect of water hypothesis by Hall, Lucas K, Larsen, Randy T, Knight, Robert N, Bunnell, Kevin D, McMillan, Brock R

“…Anthropogenic modifications to landscapes intended to benefit wildlife may negatively influence wildlife communities. Anthropogenic provisioning of free water…”
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