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Resources ≀ Predator/Prey Relationships

Efficacy and ethics of intensive predator management to save endangered caribou

Lethal population control has a history of application to wildlife management and conservation. There is debate about the efficacy of the practice, but more controversial is the ethical justification and methods of killing one species in favor of another. This … read more

Winter survival and cause-specific mortality of white-tailed deer in northern Minnesota: An update

Ongoing studies that examine the influences of environmental, intrinsic, and demographic factors on survival and cause-specific mortality rates of white-tailed deer (Odocoileus virginianus) have been critical to enhancing our understanding of population performance and to improving management. A recent evaluation … read more

Of wolves and bears: Seasonal drivers of interference and exploitation competition between apex predators

Competition between apex predators can alter the strength of top-down forcing, yet we know little about the behavioral mechanisms that drive competition in multipredator ecosystems. Interactions between predators can be synergistic (facilitative) or antagonistic (inhibitive), both of which are widespread … read more

Influence of body mass and environmental conditions on winter mortality risk of a northern ungulate: Evidence for a late-winter survival bottleneck

A relationship between winter weather and survival of northern ungulates has long been established, yet the possible roles of biological (e.g., nutritional status) and environmental (e.g., weather) conditions make it important to determine which potential limiting factors are most influential. … read more

Factors Limiting Deer Abundance in the Upper Peninsula

In the Upper Peninsula of Michigan, there are numerous factors that may act singularly or in combination to influence deer abundance. For instance, if food availability was greatly reduced, especially during critical times, or habitat that is essential for survival … read more

Evaluating carnivore harvest as a tool for increasing elk calf survival and recruitment

Elk (Cervus canadensis) are an iconic species throughout the western United States and play a large role across ecological (Kauffman et al. 2010), social (Haggerty and Travis 2006) and economic (US Department of the Interior et al. 2014) landscapes. However, … read more

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