Environmental and Ecological Statistics

, Volume 6, Issue 2, pp 197–209 | Cite as

A closure test for time-specific capture-recapture data

  • Thomas R. Stanley
  • Kenneth P. Burnham


The assumption of demographic closure in the analysis of capture-recapture data under closed-population models is of fundamental importance. Yet, little progress has been made in the development of omnibus tests of the closure assumption. We present a closure test for time-specific data that, in principle, tests the null hypothesis of closed-population model Mt against the open-population Jolly-Seber model as a specific alternative. This test is chi-square, and can be decomposed into informative components that can be interpreted to determine the nature of closure violations. The test is most sensitive to permanent emigration and least sensitive to temporary emigration, and is of intermediate sensitivity to permanent or temporary immigration. This test is a versatile tool for testing the assumption of demographic closure in the analysis of capture-recapture data.

Darroch's model Jolly-Seber model model Mt population estimation 


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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Thomas R. Stanley
    • 1
  • Kenneth P. Burnham
    • 2
  1. 1.U.S. Geological Survey, Midcontinent Ecological Science CenterFort CollinsU.S.A
  2. 2.Colorado Cooperative Fish and Wildlife Research Unit, Colorado State UniversityFort CollinsU.S.A

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