[R-sig-Geo] placing spdf back into adehabiatHR estUDm

Anthony Fischbach afischbach at usgs.gov
Sat Sep 10 00:16:52 CEST 2011


Wonderful!  I am so grateful to all that make this forum so rewarding.
Here is an example plot with walrus foraging behavior tracking data
(each red point is a daily walrus location, the kernel is weighted by daily
hours spent foraging, 
50th and 95th percentiles contour polygons are plotted as well as the
coastline.)
http://r-sig-geo.2731867.n2.nabble.com/file/n6777535/BRB06_All.png 
This method clearly defines the centers of foraging activity as well as
diffuse utilization regions.

-----
Tony Fischbach, Wildlife Biologist
Walrus Research Program
Alaska Science Center
U.S. Geological Survey
4210 University Drive
Anchorage, AK 99508-4650

AFischbach at usgs.gov
http://alaska.usgs.gov/science/biology/walrus
--
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