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Posts Tagged: poaching

Evaluating how management policies affect red wolf mortality and disappearance

Poaching is the major cause of death for large carnivores in several regions, contributing to their global endangerment. The traditional hypothesis used in wildlife management (killing for tolerance) suggests reducing protections for a species will decrease poaching. However, recent studies … read more

Gray wolf mortality patterns in Wisconsin from 1979 to 2012

Starting in the 1970s, many populations of large-bodied mammalian carnivores began to recover from centuries of human-caused eradication and habitat destruction. The recovery of several such populations has since slowed or reversed due to mortality caused by humans. Illegal killing … read more

Quantifying the effects of delisting wolves after the first state began lethal management

Predators and their protection are controversial worldwide. Gray wolves, Canis lupus, lost U.S. federal protection (delisting) and the State of Wisconsin began lethal management first among all states and tribes that regained authority over wolves. Here we evaluated the initial … read more

Liberalizing the killing of endangered wolves was associated with more disappearances of collared individuals in Wisconsin

Although poaching (illegal killing) is an important cause of death for large carnivores globally, the effect of lethal management policies on poaching is unknown for many populations. Two opposing hypotheses have been proposed: liberalizing killing may decrease poaching incidence (‘tolerance … read more

Shoot, Shovel and Shut Up: Cryptic Poaching Slows Restoration of a Large Carnivore in Europe

Poaching is a widespread and well-appreciated problem for the conservation of many threatened species. Because poaching is illegal, there is strong incentive for poachers to conceal their activities, and consequently, little data on the effects of poaching on population dynamics … read more

Gray Wolf Poaching Underreported in Wisconsin

Treves, A., Langenberg, J. A., López-Bao, J. V. & Rabenhorst, M. F. (2017). Gray Wolf Mortality Patterns in Wisconsin from 1979 To 2012. Journal of Mammalogy, (February 6th embargo data). Main points 1. We investigated causes of death of 937 … read more

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