Measuring the number of co-dominants in ecological communities

Kikvidze, Zaal and Ohsawa, Masahiko Measuring the number of co-dominants in ecological communities. Ecological Research. ISSN 1440-1703

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Abstract

We suggest a concept that allows the objective determination of the number of co-dominants in a community. We define co-dominants as a subset of species that are more abundant and more uniformly distributed than other species in a given sample. We compare the sample with a model community and use Simpson’s diversity index to estimate the apparent number of co-dominants. Dominant species determined in this way are responsible for 70–90% of the total measure of abundance in the sample. The statistical significance of the apparent number of co-dominants may be assessed by a randomization test.

Item Type: Article
Subjects: Q Science > Ecology
Divisions: Institutes > 4D Research Institute
Depositing User: Prof. Zaal Kikvidze
Date Deposited: 23 Jan 2014 05:47
Last Modified: 23 Jan 2014 05:47
URI: http://eprints.iliauni.edu.ge/id/eprint/451

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