50/500 rules need upward revision to 100/1000: – Response to Franklin et al.

Richard Frankham, Corey Bradshaw, Barry Brook

Research output: Contribution to journalLetterpeer-review

6 Citations (Scopus)

Abstract

Letter to the editor: Here we refute Franklin et al. (2014) and clarify the basis of our recommendations (Frankham et al., 2014) on the 50/500 rules for effective population sizes (Ne). These thresholds, required to avoid inbreeding depression in the short-term and loss of evolutionary potential in perpetuity (Franklin, 1980), need to be increased to 100 and 1000, respectively, along with corresponding doubling of the IUCN Red List Criterion C thresholds.
Original languageEnglish
Pages (from-to)286-286
Number of pages1
JournalBiological Conservation
Volume176
DOIs
Publication statusPublished - Aug 2014
Externally publishedYes

Keywords

  • Population
  • evolutionary potential
  • inbreeding

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