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genecap: a program for analysis of multilocus genotype data for non-invasive sampling and capture-recapture population estimation

Authors

  • MICHAEL J. WILBERG,

    Corresponding author
    1. Department of Fisheries and Wildlife, Michigan State University 13 Natural Resources Building East Lansing, Michigan 48824 U.S.A
      M. J. Wilberg. *Current Address: Colorado Division of Wildlife, Southeast Region Service Center, 4255 Sinton Road, Colorado Springs, Colorado 80907, U.S.A. Fax: 517 4321699; E-mail: wilbergm@msu.edu
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  • BRIAN P. DREHER

    Corresponding author
    1. Department of Fisheries and Wildlife, Michigan State University 13 Natural Resources Building East Lansing, Michigan 48824 U.S.A
      M. J. Wilberg. *Current Address: Colorado Division of Wildlife, Southeast Region Service Center, 4255 Sinton Road, Colorado Springs, Colorado 80907, U.S.A. Fax: 517 4321699; E-mail: wilbergm@msu.edu
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M. J. Wilberg. *Current Address: Colorado Division of Wildlife, Southeast Region Service Center, 4255 Sinton Road, Colorado Springs, Colorado 80907, U.S.A. Fax: 517 4321699; E-mail: wilbergm@msu.edu

Abstract

We created genecap to facilitate analysis of multilocus genotype data for use in non-invasive DNA sampling and genetic capture-recapture studies. genecap is a Microsoft excel macro that uses multilocus genetic data to match samples with identical genotypes, calculate frequency of alleles, identify sample genotypes that differ by one and two alleles, calculate probabilities of identity, and match probabilities for matching samples. genecap allows the user to include background data and samples with missing genotypes for multiple loci. Capture histories for each user-defined sampling period are output in formats consistent with commonly employed population estimation programs.

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