Time intervals for estimating pronghorn and coyote home ranges and daily movements
Journal Article
·
· Journal of Wildlife Management; (USA)
- Dept. of Energy, Idaho Falls, ID (USA)
- Idaho State Univ., Pocatello (USA)
The authors compared estimates of home range and daily movement for radio-tagged pronghorns (Antilocapra americana) and coyotes (Canis latrans) based on subsamples of data collected at short time intervals during nonconsecutive 24-hour sampling sessions. Home-range size, calculated by either the minimum area method or the linked-cell grid method, and daily distance traveled were underestimated when sampling intervals were based on statistically independent data. Autocorrelated data provided a better estimate of true home-range sizes than independent data for all sampling intervals. Estimates of daily movement based on sampling intervals > 4 hours for pronghorns and >3 hours for coyotes were not correlated with the actual distance traveled. These relationships suggest that restricting sampling effort to statistically independent time intervals sacrifices biologically significant information.
- OSTI ID:
- 6166014
- Journal Information:
- Journal of Wildlife Management; (USA), Journal Name: Journal of Wildlife Management; (USA) Vol. 54:2; ISSN 0022-541X; ISSN JWMAA
- Country of Publication:
- United States
- Language:
- English
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