Absent or undetected ? Effects of non-detection of species occurrence on wildlife – habitat models

  title={Absent or undetected ? Effects of non-detection of species occurrence on wildlife – habitat models},
  author={Weidong Gu and Robert Swihart},
Presence–absence data are used widely in analysis of wildlife–habitat relationships. Failure to detect a species’ presence in an occupied habitat patch is a common sampling problem when the population size is small, individuals are difficult to sample, or sampling effort is limited. In this paper, the influence of non-detection of occurrence on parameter estimates of logistic regression models of wildlife–habitat relationships was assessed using analytical analysis and simulations. Two patterns… CONTINUE READING
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