Autocorrelation of location estimates and the analysis of radiotracking data
Journal of Wildlife Management
By: D. L. Otis and Gary C. White
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Abstract
The wildlife literature has been contradictory about the importance of autocorrelation in radiotracking data used for home range estimation and hypothesis tests of habitat selection. By definition, the concept of a home range involves autocorrelated movements, but estimates or hypothesis tests based on sampling designs that predefine a time frame of interest, and that generate representative samples of an animal's movement during this time frame, should not be affected by length of the sampling interval and autocorrelation. Intensive sampling of the individual's home range and habitat use during the time frame of the study leads to improved estimates for the individual, but use of location estimates as the sample unit to compare across animals is pseudoreplication. We therefore recommend against use of habitat selection analysis techniques that use locations instead of individuals as the sample unit. We offer a general outline for sampling designs for radiotracking studies.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Autocorrelation of location estimates and the analysis of radiotracking data |
| Series title | Journal of Wildlife Management |
| Volume | 63 |
| Issue | 3 |
| Year Published | 1999 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Wildlife Management |
| First page | 1039 |
| Last page | 1044 |
| Google Analytic Metrics | Metrics page |