Change-in-ratio

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Abstract

Change-in-ratio (CIR) methods are used to estimate parameters for ecological populations subject to differential removals from population subclasses. Subclasses can be defined according to criteria such as sex, age, or size of individuals. Removals are generally in the form of closely monitored sport or commercial harvests. Estimation is based on observed changes in subclass proportions caused by the removals.

Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title Change-in-ratio
DOI 10.1002/9780470057339.vac015m.pub2
Volume 2
Year Published 2014
Language English
Publisher Encyclopedia of Environmetrics
Contributing office(s) Alaska Science Center Biology MFEB
Description 3 p.
Larger Work Type Book
Larger Work Title Encyclopedia of Environmetrics
First page 372
Last page 374