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Track: Natural Resources and Conservation
Rodd Kelsey
California State University
5331 The Toledo
Long Beach, CA 90803
Telephone: 310-439-4025
Fax:
E-mail: roddk@aol.com
Application of GIS to Home Range Analysis in the Island Scrub Jay
The Island Scrub Jay (Aphelocoma insularis) is an endemic bird species on Santa Cruz Island, California. A significant amount of work has been accomplished over the last twenty years concerning the demography of this species. However, very little work has been completed on its home range and habitat utilization. The jay defends territories in a variety of habitats across the Island. I will determine home range size in different habitats across the Island. In addition, these home range sizes will be utilized to estimate Island population that can then be applied to minimum viable population analysis. This study will use GIS techniques to map territories and estimate total Island population size. Scanned aerial photos will be georectified and used for digitizing spots maps obtained in the field. The coordinates for these territories will then be exported to CALHOME, an external home range analysis program. Once home range sizes are determined, they will be combined with existing digital vegetation maps
to estimate total population size.
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