Robustness of survival estimates from radio-telemetry studies with uncertain relocation of individuals

作者: Christine M. Bunck , Chiu-Lan Chen , Kenneth H. Pollock

DOI: 10.2307/3801958

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摘要: Traditional methods of estimating survival from radio-telemetry studies use either the Trent-Rongstad approach (Trent and Rongstad 1974, Heisey Fuller 1985) or Kaplan-Meier (Kaplan Meier 1958; Pollock et al. 1989a,b). Both appear to require assumption that relocation probability for animals with a functioning radio is 1. In practice this may not always be reasonable and, in fact, unnecessary. The number at risk (i.e., set) can modified account uncertain individuals. This involves including only relocated set instead also but were seen later. Simulation results show estimators tests comparing curves should based on modification.

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