Search Results - "Wielgus, Robert B"

Effects of wolf mortality on livestock depredations by Wielgus, Robert B, Peebles, Kaylie A

“…Predator control and sport hunting are often used to reduce predator populations and livestock depredations, but the efficacy of lethal control has rarely been…”
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Detecting the effects of predator-induced stress on the global metabolism of an ungulate prey using fecal metabolomic fingerprinting by Valerio, Azzurra, Borrego, C. Steven, Boitani, Luigi, Casadei, Luca, Giuliani, Alessandro, Wielgus, Robert B., Simek, Stephanie L., Valerio, Mariacristina

“…Few field tests have assessed the effects of predator-induced stress on prey fitness, particularly in large carnivore-ungulate systems. Because traditional…”
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Effects of remedial sport hunting on cougar complaints and livestock depredations by Peebles, Kaylie A, Wielgus, Robert B, Maletzke, Benjamin T, Swanson, Mark E

“…Remedial sport hunting of predators is often used to reduce predator populations and associated complaints and livestock depredations. We assessed the effects…”
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Effects of male targeted harvest regime on sexual segregation in mountain lion by Keehner, Jon R., Wielgus, Robert B., Maletzke, Benjamin T., Swanson, Mark E.

“…Male targeted harvest regimes of carnivores are now widely accepted to result in increased sexually selected infanticide (SSI). Male targeted harvest regimes…”
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Factors Associated with Black Bear Density and Implications for Management by WELFELT, LINDSAY S., BEAUSOLEIL, RICHARD A., WIELGUS, ROBERT B.

“…Wildlife density estimates are important to accurately formulate population management objectives and understand the relationship between habitat…”
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Sink Populations In Carnivore Management: Cougar Demography And Immigration In A Hunted Population by Robinson, Hugh S, Wielgus, Robert B, Cooley, Hilary S, Cooley, Skye W

“…Carnivores are widely hunted for both sport and population control, especially where they conflict with human interests. It is widely believed that sport…”
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Effects of male trophy hunting on female carnivore population growth and persistence by Wielgus, Robert B., Morrison, Dana Eleanor, Cooley, Hilary S., Maletzke, Ben

“…Carnivore populations are often managed based on the density dependent, compensatory mortality model, which suggests that trophy hunting of males causes an…”
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Does hunting regulate cougar populations? A test of the compensatory mortality hypothesis by Cooley, Hilary S., Wielgus, Robert B., Koehler, Gary M., Robinson, Hugh S., Maletzke, Benjamin T.

“…Many wildlife species are managed based on the compensatory mortality hypothesis, which predicts that harvest mortality (especially adult male mortality) will…”
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Effects of male targeted harvest regimes on prey switching by female mountain lions: Implications for apparent competition on declining secondary prey by Keehner, Jon R., Wielgus, Robert B., Keehner, Amy M.

“…Apparent competition, or predator selection for rare secondary prey instead of abundant primary prey, is causing prey declines in many species worldwide. The…”
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A meta-population model to predict occurrence and recovery of wolves by Maletzke, Benjamin T., Wielgus, Robert B., Pierce, D. John, Martorello, Donald A., Stinson, Derek W.

“…ABSTRACT Wolves (Canis lupis) have been recolonizing Washington since 2008. In an effort to guide recovery and management decisions for wolves, we created a…”
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Forecasting cattle depredation risk by recolonizing gray wolves by Hanley, Zoë L., Cooley, Hilary S., Maletzke, Benjamin T., Wielgus, Robert B.

“…Minimizing wolf-livestock conflicts requires identifying conditions placing livestock at risk and focusing adaptive management at a local scale. Gray wolves…”
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Differential Prey use by Male and Female Cougars in Washington by White, Kevin R, Koehler, Gary M, Maletzke, Benjamin T, Wielgus, Robert B

“…Male and female predators are often assumed to have the same effects on prey. Because of differences in body size and behavior, however, male and female…”
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Cattle depredation risk by gray wolves on grazing allotments in Washington by Hanley, Zoë L., Cooley, Hilary S., Maletzke, Benjamin T., Wielgus, Robert B.

“…Livestock depredation was a primary factor in wolf extirpation from most of the conterminous United States by the 1930s. Through reintroductions and natural…”
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Cougar Prey Selection in a White-Tailed Deer and Mule Deer Community by Cooley, Hilary S, Robinson, Hugh S, Wielgus, Robert B, Lambert, Catherine S

“…Widespread mule deer (Odocoilus hemionous) declines coupled with white-tailed deer (O. virginianus) increases prompted us to investigate the role of cougar…”
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Habitat Fragmentation and the Persistence of Lynx Populations in Washington State by Koehler, Gary M, Maletzke, Benjamin T, von Kienast, Jeff A, Aubry, Keith B, Wielgus, Robert B, Naney, Robert H

“…Lynx (Lynx canadensis) occur in the northern counties of Washington state, USA; however, current distribution and status of lynx in Washington is poorly…”
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Minimum viable population and reserve sizes for naturally regulated grizzly bears in British Columbia by WIELGUS, Robert B

“…For grizzly bears in British Columbia, Canada, relations are examined between minimum population size, environmental and demographic stochastic effects, and…”
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Tests of Hypotheses for Sexual Segregation in Grizzly Bears by Wielgus, Robert B., Bunnell, Fred L.

“…We studied 2 grizzly bear (Ursus arctos) populations to test 3 hypotheses of sexual segregation. The "no avoidance" hypothesis predicts that females do not…”
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Cougar Population Dynamics and Viability in the Pacific Northwest by LAMBERT, CATHERINE M. S, WIELGUS, ROBERT B, ROBINSON, HUGH S, KATNIK, DONALD D, CRUICKSHANK, HILARY S, CLARKE, ROSS, ALMACK, JON

“…Increasing reports of human/cougar conflicts may suggest that cougars are increasing in the Pacific Northwest. We determined minimum relative densities and…”
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Habitat Conditions Associated With Lynx Hunting Behavior During Winter in Northern Washington by Maletzke, Benjamin T, Koehler, Gary M, Wielgus, Robert B, Aubry, Keith B, Evans, Marc A

“…Effectively managing habitat for threatened populations of Canada lynx (Lynx canadensis) requires knowledge of habitat conditions that provide for the…”
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Estimating effects of adult male mortality on grizzly bear population growth and persistence using matrix models by Wielgus, Robert B., Sarrazin, Francois, Ferriere, Regis, Clobert, Jean

“…We radio monitored a hunted, sexually segregated grizzly bear ( Ursus arctos) population and an unhunted, unsegregated population for demographics and…”
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