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58: Conservation Biology

  • Page ID
    73887
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    • 58.1: Overview of The Biodiversity Crisis
      Scientists generally accept that the term biodiversity describes the number and kinds of species in a location or on the planet. Species can be difficult to define, but most biologists still feel comfortable with the concept and are able to identify and count eukaryotic species in most contexts. Biologists have also identified alternate measures of biodiversity, some of which are important for planning how to preserve biodiversity.
    • 58.2: The Value of Biodiversity
      Agriculture began after early hunter-gatherer societies first settled in one place and heavily modified their immediate environment. This cultural transition has made it difficult for humans to recognize their dependence on undomesticated living things on the planet. Biologists recognize the human species is embedded in ecosystems and is dependent on them, just as every other species on the planet is dependent.
    • 58.3: Factors Responsible for Extinction
      The core threat to biodiversity on the planet, and therefore a threat to human welfare, is the combination of human population growth and resource exploitation. The human population requires resources to survive and grow, and those resources are being removed unsustainably from the environment. The three greatest proximate threats to biodiversity are habitat loss, overharvesting, and introduction of exotic species.
    • 58.4: An Evolutionary Perspective on the Biodiversity Crisis
    • 58.5: Approaches for Preserving Endangered Species and Ecosystems
      Preserving biodiversity is an extraordinary challenge that must be met by greater understanding of biodiversity itself, changes in human behavior and beliefs, and various preservation strategies.


    58: Conservation Biology is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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