Improved methods for estimating abundance and related demographic parameters from mark-resight data.

ABSTRACT: Over the past decade, there has been much methodological development for the estimation of abundance and related demographic parameters using mark-resight data. Often viewed as a less-invasive and less-expensive alternative to conventional mark recapture, mark-resight methods jointly model marked individual encounters and counts of unmarked individuals, and recent extensions accommodate common challenges associated with imperfect detection. When these challenges include both individual detection heterogeneity and an unknown marked sample size, we demonstrate several deficiencies associated with the most widely used mark-resight models currently implemented in the popular capture-recapture freeware Program MARK. We propose a composite likelihood solution based on a zero-inflated Poisson log

SUBMITTER: McClintock BT 

PROVIDER: S-EPMC6850357 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature