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

Korner-Nievergelt, Fränzi and Behr, Oliver and Brinkmann, Robert and Etterson, Matthew A. and Huso, Manuela M. P. and Dalthorp, Dan and Korner-Nievergelt, Pius and Roth, Tobias and Niermann, Ivo. (2015) Mortality estimation from carcass searches using the R-package carcass — a tutorial. Wildlife Biology, 21 (1). pp. 30-43.

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Official URL: http://edoc.unibas.ch/41860/

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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.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Zoologie > Behavioural Ecology (Amrhein)
05 Faculty of Science > Departement Umweltwissenschaften > Zoologie > Evolutionary Biology (Ebert)
UniBasel Contributors:Roth, Tobias
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Nordic Board for Wildlife Research
ISSN:0909-6396
e-ISSN:1903-220X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:13 Sep 2016 08:08
Deposited On:13 Sep 2016 08:08

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