Animal Movement Analysis and Home Range Determination Package

A Statistical Analysis System (SAS) program has been developed for analysis of data gathered from radio-telemetry studies of animal movement. The program requires as input data from each observation (1) a pair of directional readings, one from each of 2 known reference points to an animal location, (2) animal identification number and (3) time of observation. From these inputs, x-y coordinates of each animal location are computed relative to a specified origin. A number of animal movement statistics are computed and displayed graphically. Boundary points for the home range (convex polygon method) are determined and plots of home range with or without interior locations are generated as well as a measure of the enclosed area. Any of these outputs may be displayed for an individual animal or for a group of animals by sex, age, season, or other subgrouping.

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