The Internal Anatomy of Home Range

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Abstract
Direct observations and radio tracking provide a great many more observations of animal location than does live trapping. This greater wealth of data allows quantitative descriptions of the distribution of use-intensity within the home range, in addition to the usual outline of the home range. This entails the use of biometrical methods adapted to the management of the more massive data. Variation in use-intensity over the home range can be represented graphically as a 3-dimensional frequency surface. The “Index of Overlap” described here, provides a succinct measure of the coincidence of use-intensity over the home ranges of two individuals.