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Wednesday, February 8 • 9:40am - 10:00am
Technical Session. Spatial and Temporal Structure of Canid Community in Nebraska

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AUTHORS: Lucia Corral, Claire Helmke - Nebraska Cooperative Fish & Wildlife Research Unit, University of Nebraska–Lincoln; Teresa J. Frink, Department of Applied Sciences, Chadron State College; Joseph J. Fontaine, U.S. Geological Survey, Nebraska Cooperative Fish & Wildlife Research Unit, University of Nebraska–Lincoln

ABSTRACT: Native grassland alteration has resulted in a widespread loss of wildlife habitat, particularly for grassland specialists such as the swift fox (Vulpes velox). In addition to habitat loss, intraguild interactions may have an important effect on swift fox use of suitable habitat when changes in the ecosystem favor the increase in dominant habitat generalist species such as red fox (Vulpes vulpes) and coyote (Canis latrans). Listed as an endangered species in Nebraska, swift fox are estimated to occupy less than 21% of their historic range, while the distribution and density of red foxes and coyotes are believed to have increased in the state. However, the exact distribution and status of swift fox populations in Nebraska remains uncertain. Over the past three years, we have used remote camera traps to monitor carnivores in Nebraska, focusing on swift fox, by stablishing a network of more than 190 baited camera-trap sites across one third of the state. We use a community-level modeling approach to combine data from multiple species and produce information on spatial and temporal patterns in distribution of both individual species and the canid guild. We explore the extent to which the prevalence of site use (i.e., daily presence or absence) by our focal species (swift fox, red fox, coyote) is related to the presence of other canid species at the site (i.e., presence or absence of a potential competitor at some point during the same day), as well as the interaction between site attributes (e.g., land cover, distance to urban centers, type of road), time (time of the day) and date (day of the year). Spatial and temporal outputs include predictive mapping of individual species, and insights into canid spatial and community ecology.

Wednesday February 8, 2017 9:40am - 10:00am CST