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Estimating population size from a removal experiment

Author

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  • Yip, Paul
  • Fong, Daniel Y. T.

Abstract

A modification of a removal experiment is proposed here to estimate the size of a closed population. The modification is that a known number of marked (or tagged) animals is released into the population before the experiment commences. The removal process is observed for a fixed number of occasions and the removal probabilities are allowed to be time dependent. We derive a maximum likelihood estimator for the population size. The existence and unimodality of the estimator are examined. A simulation study is given on the performance of the estimator under various conditions of the removal process. A goodness of fit test is given to test the homogeneous mixing assumption between the marked and the unmarked ones.

Suggested Citation

  • Yip, Paul & Fong, Daniel Y. T., 1993. "Estimating population size from a removal experiment," Statistics & Probability Letters, Elsevier, vol. 16(2), pages 129-135, January.
    • Handle: RePEc:eee:stapro:v:16:y:1993:i:2:p:129-135
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    Cited by:

    1. Gormley, R. & Goudie, I.B.J., 2013. "Estimation for the Schnabel census with plants," Statistics & Probability Letters, Elsevier, vol. 83(7), pages 1740-1744.

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