SAGE Reference - Green Ethics and Philosophy: An A-to-Z Guide

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Biodiversity

By: Sabine Weiland
In: Green Ethics and Philosophy: An A-to-Z Guide
Edited by: Julie Newman
Subject:Environmental Ethics
Keywords:biodiversity; biological diversity; conservation; ecosystems; nonuse values; species; species extinction

Tree ferns, banana plants, ephiphytes, bromeliads, and other plants growing in a tropical rain forest environment in the Roseau River Valley in Dominica in 2006. While 1.7 to 2 million species have been formally identified, the actual total number of species is estimated to be between 5 million and 30 million.

Photo credit: National Biological Information Infrastructure/Randolph Femmer

Biodiversity, or biological diversity, is the variety of life found in a place on Earth or the total variety of life on Earth. Conventionally, biodiversity refers to three levels of biological organization: genes, species, and ecosystems. Genetic diversity defines biodiversity as the variation of genes within a species. Species diversity, the most common measure of biodiversity, refers to the varieties of species within a habitat or a region and ...

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  Weiland, S. (2011). Biodiversity. In J. Newman (Ed.), Green ethics and philosophy: An A-to-Z guide (pp. 59-63). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412974608.n11
  
  Weiland, Sabine. "Biodiversity." In Green Ethics and Philosophy: An A-to-Z Guide, edited by Newman, Julie, 59-63. Thousand Oaks, CA: SAGE Publications, Inc., 2011. https://dx.doi.org/10.4135/9781412974608.n11.
  
  Weiland, S. 2011. Biodiversity. In: Julie Newman Editor, 2011. Green Ethics and Philosophy: An A-to-Z Guide, Thousand Oaks, CA: SAGE Publications, Inc. pp. 59-63 Available at: <https://dx.doi.org/10.4135/9781412974608.n11> [Accessed 20 Jan 2022].
  
  Weiland, Sabine. "Biodiversity." Green Ethics and Philosophy: An A-to-Z Guide. Edited by Julie Newman. Thousand Oaks: SAGE Publications, Inc., 2011, pp. 59-63. SAGE Knowledge. 20 Jan 2022, doi: https://dx.doi.org/10.4135/9781412974608.n11.
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