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Resurrection of Dormant Daphnia magna: Protocol and Applications
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Reintroducing resurrected species: selecting DeExtinction candidates.

Philip J Seddon1, Axel Moehrenschlager2, John Ewen3

  • 1Department of Zoology, University of Otago, PO Box 56, Dunedin 9016, New Zealand.

Trends in Ecology & Evolution
|February 12, 2014
PubMed
Summary

De-extinction efforts must prioritize ecological restoration, not just lab creation. Resurrected species require careful reintroduction planning, using IUCN guidelines to assess feasibility and risks for conservation success.

Keywords:
assisted colonizationconservation introductionecological replacementresurrection biologyrewildingspecies restoration

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Area of Science:

  • Conservation Biology
  • Ecological Restoration
  • Genetics

Background:

  • Technological advancements present the possibility of de-extinction.
  • De-extinction must extend beyond laboratory creation to ecological reintegration.
  • Successful de-extinction necessitates the translocation and reintroduction of species into suitable habitats.

Purpose of the Study:

  • To frame de-extinction as a conservation translocation issue.
  • To develop a framework for selecting de-extinction candidates based on reintroduction feasibility.
  • To evaluate the applicability of existing conservation translocation guidelines to de-extinction.

Main Methods:

  • Translating the International Union for the Conservation of Nature (IUCN) Guidelines on Reintroductions and Other Conservation Translocations into a practical selection framework.
  • Formulating ten key questions to assess the suitability of de-extinction candidates for reintroduction.
  • Applying these ten questions to case studies: the thylacine, Yangtze River Dolphin, and Xerces blue butterfly.

Main Results:

  • The IUCN guidelines provide a robust framework for evaluating de-extinction candidates.
  • The ten-question framework effectively identifies potential challenges and risks associated with reintroduction.
  • Case study application highlights the critical need for pre-selection ecological and logistical assessments.

Conclusions:

  • De-extinction candidate selection must rigorously address reintroduction feasibility and ecological risks.
  • The proposed framework aids in eliminating unsuitable candidates early in the de-extinction process.
  • Prioritizing translocation success is crucial for achieving the ecological enrichment goals of de-extinction.