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Is supplementation an efficient management action to increase genetic diversity in translocated populations?

Is supplementation an efficient management action to increase genetic diversity in translocated... It is generally assumed that population supplementation will improve the genetic diversity of the recipient populations. However, the genetic outcomes of supplementations are rarely tested. We used population modelling to predict how the supplementation programme in a translocated Woylie (Bettongia penicillata ogilbyi) population influences their genetic makeup. Our model projections were then compared against real genetic data collected before and after supplementation, to determine whether or not supplementation was effective at increasing genetic diversity and to test the accuracy of the model. Post‐supplementation genetic diversity parameters (heterozygosity and allelic richness) were significantly higher following supplementation, and there was no significant difference from those predicted by the model. These results are encouraging; however, many factors can influence supplementation outcomes and we recommend ongoing monitoring in translocated populations to ensure that population trends are on target. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ecological Management & Restoration Wiley

Is supplementation an efficient management action to increase genetic diversity in translocated populations?

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References (51)

Publisher
Wiley
Copyright
Copyright © 2020 Ecological Society of Australia and John Wiley & Sons Australia, Ltd
ISSN
1442-7001
eISSN
1442-8903
DOI
10.1111/emr.12411
Publisher site
See Article on Publisher Site

Abstract

It is generally assumed that population supplementation will improve the genetic diversity of the recipient populations. However, the genetic outcomes of supplementations are rarely tested. We used population modelling to predict how the supplementation programme in a translocated Woylie (Bettongia penicillata ogilbyi) population influences their genetic makeup. Our model projections were then compared against real genetic data collected before and after supplementation, to determine whether or not supplementation was effective at increasing genetic diversity and to test the accuracy of the model. Post‐supplementation genetic diversity parameters (heterozygosity and allelic richness) were significantly higher following supplementation, and there was no significant difference from those predicted by the model. These results are encouraging; however, many factors can influence supplementation outcomes and we recommend ongoing monitoring in translocated populations to ensure that population trends are on target.

Journal

Ecological Management & RestorationWiley

Published: May 1, 2020

Keywords: ; ; ;

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