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Related Concept Videos

Threats to Biodiversity01:50

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There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
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Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity includes all branches of the evolutionary tree from single-celled prokaryotic organisms, bacteria, and archaea, to the eukaryotic kingdoms: plants; animals; fungi; and protists. To date, there have been about 1.75 million species identified, and new species are discovered every week.
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An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
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Author Spotlight: Advancing Coral Culture - Creating a Semi-Quantitatively Controlled Microenvironment System to Counter Current Limitations
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The overlooked biodiversity loss.

Morten T Limborg1, Caroline S Winther-Have1, Naia Morueta-Holme2

  • 1Center for Evolutionary Hologenomics, Globe Institute, University of Copenhagen, Copenhagen, Denmark.

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|August 29, 2024
PubMed
Summary
This summary is machine-generated.

Most life forms are holobionts, meaning host biodiversity loss causes habitat loss for their microbes. Conserving host-associated microbial biodiversity is crucial for preventing host extinction risks.

Keywords:
biodiversitycoevolutionconservationextinctionholobiontmicrobiomes

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Area of Science:

  • Ecology
  • Microbiology
  • Conservation Biology

Background:

  • Most life exists as holobionts, comprising a host and its associated microorganisms.
  • Host biodiversity reduction leads to habitat loss for these symbiotic microbes.
  • Microorganisms are integral to host survival and function, yet often overlooked in conservation.

Purpose of the Study:

  • To highlight the significance of the holobiont concept in understanding biodiversity.
  • To emphasize the conservation needs of host-associated microbial communities.
  • To explore the link between host-associated microbial loss and host extinction risk.

Main Methods:

  • Conceptual review integrating ecological and microbiological perspectives.
  • Analysis of the holobiont framework to understand interdependencies.
  • Literature synthesis on host-microbe coevolution and conservation implications.

Main Results:

  • Host species act as critical habitats for their coevolved microorganisms.
  • Loss of host biodiversity directly impacts microbial habitats and diversity.
  • Reduced microbial biodiversity can exacerbate extinction risks for host species.

Conclusions:

  • The holobiont concept is essential for a comprehensive view of biodiversity and conservation.
  • Protecting host-associated microbial communities is vital for ecosystem health and species survival.
  • Integrating microbial conservation into broader biodiversity strategies is urgently needed.