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University of Nebraska - Lincoln

School of Natural Resources: Dissertations, Theses, and Student Research

2012

Survival

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Full-Text Articles in Environmental Sciences

River Otter (Lontra Canadensis) Home Range, Habitat Use, Overnight Movement, And Survival In The Platte River Of Nebraska, Samuel P. Wilson Aug 2012

River Otter (Lontra Canadensis) Home Range, Habitat Use, Overnight Movement, And Survival In The Platte River Of Nebraska, Samuel P. Wilson

School of Natural Resources: Dissertations, Theses, and Student Research

River otters (Lontra canadensis) are native to Nebraska but were extirpated by the early 1900s. The Nebraska Game and Parks Commission (NGPC) reintroduced river otters during 1986­–1991 to restore the species in the state but little is known regarding the habitat needs and status of this high profile threatened species. To provide information for management I conducted research to determine home range, habitat use, overnight movement distance, and annual survival of river otters in the central Platte River of Nebraska.

I trapped, implanted telemetry transmitters, and tracked 18 river otters during 2006–2009. I obtained 996 locations and constructed …