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Gymnosperms on the EDGE.

Félix Forest1, Justin Moat2,3, Elisabeth Baloch2

  • 1Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AB, United Kingdom. f.forest@kew.org.

Scientific Reports
|April 18, 2018
PubMed
Summary
This summary is machine-generated.

Conservation prioritization is crucial for threatened gymnosperms. The Evolutionary Distinct and Globally Endangered (EDGE) method identifies species needing urgent protection, revealing unexpected conservation priorities.

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Area of Science:

  • Conservation Biology
  • Evolutionary Biology
  • Botany

Background:

  • Gymnosperms are a highly threatened group, with 40% facing extinction risk, double the rate of all plants.
  • Urgent, objective prioritization is needed to secure the future of these vital species.

Purpose of the Study:

  • To apply the Evolutionary Distinct and Globally Endangered (EDGE) method to gymnosperms for conservation prioritization.
  • To investigate the impact of different data treatments on species rankings.

Main Methods:

  • A comprehensive phylogenetic tree of 92% of gymnosperm species was constructed using DNA sequence data.
  • IUCN Red List assessments were integrated to evaluate extinction risks.
  • The EDGE method was applied, analyzing the effects of extinction probability transformations and data deficiency handling.

Main Results:

  • The study identified both expected (e.g., Wollemia nobilis, Ginkgo biloba) and unexpected (e.g., Araucaria araucana) high-priority gymnosperm species.
  • Rankings varied based on data transformation and handling of data-deficient species.

Conclusions:

  • Integrating evolutionary distinctiveness and extinction risk is essential for effective gymnosperm conservation.
  • The EDGE approach provides an objective framework for prioritizing conservation actions for threatened gymnosperms.