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August 2, 2026Conservation BiologyOpen Access

Genomics‐informed management of ex situ populations

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Authors

COCock van OosterhoutPHPhilippe HelsenEFElmar Sean Fienieg

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Overview

Randomized trial examines genomic strategies to enhance genetic diversity in ex situ populations, suggesting conservation improvements.

Key Points

  • The aim is to explore how genomics-informed management can enhance the viability of ex situ populations by maintaining genetic diversity and preventing inbreeding.
  • Conducted computer simulations to assess characteristics of EEP species prone to genomic erosion.
  • Analyzed the impact of founder population size on EEP species with varying fecundity levels.
  • Evaluated the relationship between breeding population size and the viability of EEP species.
  • Inbreeding depression peaked at approximately 10 generations post-founding, with fitness recovery never complete compared to wild ancestors.
  • Genomic erosion became evident after about 3 generations, emphasizing the critical timing for biobanking biological samples.
  • Genomics data identified risks of hybridization that threaten the management of closely related species in ex situ programs.

Cite This Study

Oosterhout et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeb4d1b0468a7eeab45ebhttps://doi.org/10.1111/cobi.70360
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