The Estimation of Population Size with Equal and Unequal Risks of Capture

作者: Henry M. Wilbur , James M. Landwehr

DOI: 10.2307/1935461

关键词: EcologyPopulationNull hypothesisNegative binomial distributionPainted turtlePoisson distributionBiologyPopulation sizeEstimationStatisticsEcology, Evolution, Behavior and Systematics

摘要: Behavioral characteristics and microhabitat distributions of individuals may cause heterogeneity in their risk capture field studies the dynamics natural populations. The number recaptures marked can be used to test for equicatchability by fit a Poisson distribution. If null hypothesis equal is rejected captures per individual follow negative binomial use truncated estimate transients population, or animals never caught found very limited value. These methods are applied an original set histories from study population painted turtle, Chrysemys picta. See full-text article at JSTOR

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