Chapter 8. Sample Counts for Abundance Estimation

  1. Michael J. Conroy and
  2. John P. Carroll

Published Online: 10 FEB 2009

DOI: 10.1002/9781444303155.ch8

Quantitative Conservation of Vertebrates

Quantitative Conservation of Vertebrates

How to Cite

Conroy, M. J. and Carroll, J. P. (2009) Sample Counts for Abundance Estimation, in Quantitative Conservation of Vertebrates, Wiley-Blackwell, Oxford, UK. doi: 10.1002/9781444303155.ch8

Author Information

  1. University of Georgia, USA

Publication History

  1. Published Online: 10 FEB 2009
  2. Published Print: 9 JAN 2009

ISBN Information

Print ISBN: 9781405190985

Online ISBN: 9781444303155



  • sample counts for abundance estimation;
  • estimating abundance via direct counts;
  • complete detection assumed;
  • incomplete detection assumed;
  • independent count statistics;
  • calibration of counts and double sampling;
  • estimation of detection based on independent methods;
  • choosing right sample size for estimation;
  • incorporating detection rates into study design


This chapter contains sections titled:

  • Complete detection assumed

  • Incomplete detection assumed

  • Study design