Mortality estimation from carcass searches using the R-package carcass - a tutorial

Journal Article

Title: Mortality estimation from carcass searches using the R-package carcass - a tutorial
Publication Date:
January 01, 2015
Journal: Wildlife Biology
Volume: 21
Issue: 1
Pages: 30-43
Publisher: Oikos Editorial Office
Interactions:
Technology Type:

Document Access

Website: External Link
Attachment: Access File
(1 MB)

Citation

Korner-Nievergelt, F.; Behr, O.; Brinkmann, R.; Etterson, M.; Huso, M.; Dalthorp, D.; Korner-Nievergelt, P.; Roth, T.; Niermann, I. (2015). Mortality estimation from carcass searches using the R-package carcass - a tutorial. Wildlife Biology, 21(1), 30-43.
Abstract: 

This article is a tutorial for the R-package carcass. It starts with a short overview of common methods used to estimate mortality based on carcass searches. Then, it guides step by step through a simple example. First, the proportion of animals that fall into the search area is estimated. Second, carcass persistence time is estimated based on experimental data. Third, searcher efficiency is estimated. Fourth, these three estimated parameters are combined to obtain the probability that an animal killed is found by an observer. Finally, this probability is used together with the observed number of carcasses found to obtain an estimate for the total number of killed animals together with a credible interval.

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