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Presence and movement of swift fox (Vulpes velox) and other wildlife along the heartland expressway corridor in western Nebraska

Posted on:2016-04-13Degree:M.SType:Thesis
University:University of Nebraska at KearneyCandidate:Ray, Sara ElaineFull Text:PDF
GTID:2475390017485254Subject:Ecology
Abstract/Summary:
The swift fox (Vulpes velox) is a small canid classified as endangered within the state of Nebraska. Future construction of the Heartland Expressway Corridor (HEC), a 300 km road expansion project in the panhandle of the state, may impact the resident swift fox population.;A scent-bait survey of the HEC was carried out in the summer of 2014 and a smaller survey was completed in February 2015. Swift foxes were documented in Dawes County and northern Kimball County. The areas immediately surrounding these locations show significantly higher amounts of grassland and lower amounts of agriculture than expected. Swift fox predators were found in larger numbers along HEC sections that have already been expanded to 4-lane divided highway than expected.;Three swift foxes were also live trapped and collared with Global Positioning System (GPS) tracking collars in the fall and winter of 2014. Location data from one swift fox collar was retrieved. The home range for this individual was 25.70 km2 in size and made up of 97% grassland and 2% developed land. This male traveled an average of 3.03 km a night and 42.6% of the documented movement was from one side of the HEC to the other over the course of 113 nights.;Additional mammal species documented by camera survey included raccoon (Procyon lotor), mule and white-tailed deer (Odocoileus hemionus and Odocoileus virginianus), striped skunk (Mephitis mephitis), coyote (Canis latrans), feral cat (Felis catus) and American badger (Taxidea taxus), and less frequent species. Species presence appears to be influenced by vegetation composition and human population density.
Keywords/Search Tags:Swift fox, HEC
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