Nature Study suggests global decline in Intraspecific genetic diversity | Current Affairs | Vision IAS
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    Nature Study suggests global decline in Intraspecific genetic diversity

    Posted 31 Jan 2025

    2 min read

    The study has analyzed data spanning 3 decades and examined >600 species of animals, plants and fungi across terrestrial and marine ecosystems.

    • Genetic Diversity refers to the range of inherited traits within a species critical for a population to adapt to changing environments. It is essential for long-term survival of species populations and ensuring ecosystem resilience.

    Key findings of the study

    • Extent of genetic loss: 2/3rd of studied populations experienced decline in genetic diversity, with less than half receiving any conservation management.
    • Impact Areas: Genetic loss occurred regardless of IUCN status and is not exclusive to rare and threatened species.
      • The loss of genetic diversity was high especially among birds and mammals.
    • Conservation Measures: Habitat restoration, disease control, captive breeding can help in reversing genetic loss.

    Various Initiatives

    • Convention on Biological Diversity’s Kunming–Montreal Global Biodiversity Framework: It includes targets for safeguarding genetic diversity of all species.
    • In-situ Conservation: Protected Areas, National Parks etc. E.g. Project Tiger
    • Ex-situ Conservation: Zoological Parks, Gene Banks etc.
    • Technological Advancement: Environmental DNA (eDNA), Genome Sequencing, DNA Barcoding.

    Conclusion

    Maintaining genetic diversity safeguards biodiversity against future environmental changes and ensures the continued benefits that nature provides to society.

    • Tags :
    • Genetic Diversity
    • Intraspecific Genetic Diversity
    • Kunming–Montreal
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