Assessing the benefits and risks of translocations in changing environments: A genetic perspective

Andrew R. Weeks, Carla M. Sgro, Andrew G. Young, Richard Frankham, Nicki J. Mitchell, Kim A. Miller, Margaret Byrne, David J. Coates, Mark D.B. Eldridge, Paul Sunnucks, Martin F. Breed, Elizabeth A. James, Ary A. Hoffmann

Research output: Contribution to journalArticle

423 Citations (Scopus)

Abstract

Translocations are being increasingly proposed as a way of conserving biodiversity, particularly in the management of threatened and keystone species, with the aims of maintaining biodiversity and ecosystem function under the combined pressures of habitat fragmentation and climate change. Evolutionary genetic considerations should be an important part of translocation strategies, but there is often confusion about concepts and goals. Here, we provide a classification of translocations based on specific genetic goals for both threatened species and ecological restoration, separating targets based on 'genetic rescue' of current population fitness from those focused on maintaining adaptive potential. We then provide a framework for assessing the genetic benefits and risks associated with translocations and provide guidelines for managers focused on conserving biodiversity and evolutionary processes. Case studies are developed to illustrate the framework.

Original languageEnglish
Pages (from-to)709-725
Number of pages17
JournalEvolutionary Applications
Volume4
Issue number6
DOIs
Publication statusPublished - 1 Nov 2011
Externally publishedYes

Keywords

  • Adaptation
  • Climate change
  • Conservation genetics
  • Ecological genetics

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