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Welcome to the technical sessions schedule for the 2015 SEAFWA Annual Meeting.

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Tuesday, November 3 • 11:20am - 11:40am
Effects of Prescribed Burning on Resource Use by Northern Bobwhites in Coastal South Carolina

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Diana McGrath, Theron M. Terhune II –Tall Timbers Research Station and Land Conservancy; James Martin, University of Georgia

Understanding animal resource use and selection is a central theme of wildlife science and management. Animals that inhabit disturbance mediated systems—such as the case of northern bobwhites (Colinus virginianus) and pine (Pinus sp.) savanna—are adapted to certain intensities of disturbance (e.g., fire frequency, spatial extent, and seasonality). Furthermore, intraspecific variation in resource use and selection may allow the population to persist in these highly variable environments. We studied resource use of northern bobwhites at the population and individual level on a private property in Georgetown County, South Carolina. A total of 338 individuals were radio-tagged and monitored 3-4 times weekly via VHF telemetry for 3 years. Covariates related to the application of prescribed fire were derived from telemetry locations via a geographic information system. We used a hierarchical conditional logistic regression model in a resource selection function framework to model the data. Two spatial scales were considered including the study site (second-order) and the home ranges (third-order). We found that distance to burn edge and time-since-burn had a great effect on resource selection as indicated from selection ratios. These effects showed a positive relationship between resource use and proximity to burn edge and 2 years since fire. Individual variation was minor at the second-order scale but prevalent at the third-order scale. We recommend prescribe fire be applied frequently (i.e., every 2 years) and in the smallest patches that are operationally feasible.

Tuesday November 3, 2015 11:20am - 11:40am EST
Ballroom Salon A

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