Point-Based Mark-Recapture Distance Sampling

  • J. L. Laake
  • B. A. Collier
  • M. L. Morrison
  • R. N. Wilkins


Avian surveys using point sampling for abundance estimation have either focused on distance sampling or more commonly mark-recapture to correct for detection bias. Combining mark-recapture and distance sampling (MRDS) has become an effective tool for line transects, but it has been largely ignored in point sampling literature. We describe MRDS and show that the previously published methods for point sampling are special cases. Using simulated data and golden-cheeked warbler (Dendroica chrysoparia) survey data from Texas, we demonstrate large differences in abundance estimates resulting from different independence assumptions. Data and code are provided in supplementary materials.

Key Words

Avian surveys Detection bias Distance sampling Double-observer methods Golden-cheeked warbler Mark-recapture Point independence Unmodeled heterogeneity 


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Supplementary material

13253_2011_59_MOESM1_ESM.zip (104 kb)
(ZIP 105 KB)
13253_2011_59_MOESM2_ESM.zip (52 kb)
(ZIP 52 KB)


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Copyright information

© International Biometric Society 2011

Authors and Affiliations

  • J. L. Laake
    • 1
  • B. A. Collier
    • 2
  • M. L. Morrison
    • 3
  • R. N. Wilkins
    • 2
  1. 1.National Marine Mammal LaboratoryAlaska Fisheries Sciences Center, NMFSSeattleUSA
  2. 2.Institute of Renewable Natural ResourcesTexas A&M UniversityCollege StationUSA
  3. 3.Department of Wildlife and Fisheries SciencesTexas A&M UniversityCollege StationUSA

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