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The following schedule is subject to change (as of October 11, 2016). Please check back for updates. For more information about this meeting, go to: www.seafwa.org/conferences/2016
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Tuesday, October 18 • 4:40pm - 5:00pm
Wildlife. A data-driven range map for black bear in Florida

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AUTHORS: Brian K. Scheick, Mark A. Barrett, J. Walter McCown - Florida Fish and Wildlife Conservation Commission

ABSTRACT: Many range maps are developed subjectively, generally using an expert opinion approach, including the previous black bear range map in Florida that was digitized into polygons of primary and secondary range. In an effort to update the bear range map using a more objective approach, staff from Florida Fish and Wildlife Conservation Commission (FWC) gathered a variety of datasets containing geographic information on bear occurrence. Data sources included public sightings, mortality, hair snare corrals, telemetry and other observational accounts. After combining over 30 years of data, a total of 229,532 point locations (some including abundance information) were available; however, the final dataset contained 32,489 point locations after constraining the data to a 3 year period (2013-15) and creating subsets by randomly selecting points from some sources with potential spatial and temporal bias. Isopleths derived from kernel density estimates and concave hulls delineated a multilevel range map depicting potential occurrence of bears throughout Florida. Finally, we created several alternative range maps based on derivations of the data for comparative purposes. Updated species ranges are important to FWC for managing and predicting human-bear conflicts, estimating potential areas for improving linkages between subpopulations, employing conservation plans, implementing public outreach, and monitoring listing criteria.

Tuesday October 18, 2016 4:40pm - 5:00pm
Riverview B

Attendees (7)