Crisis Ecoregions
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A crisis ecoregion is a
terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...
biome A biome () is a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate. Biomes may span more than one continent. Biome is a broader ...
facing significant threat to its biodiversity and requiring well directed conservation efforts in order to curb the irreversible loss of plant and animal species and their surrounding habitats. Generally, an
ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of ...
is understood to be an area of particular ecological importance because of diminishing habitats and ecosystems, but a crisis ecoregion is one that is particularly vulnerable and is listed as 'critical'Jonathan M. Hoekstra, Timothy M. Boucher, Taylor M. Ricketts, and Carter Roberts. Confronting a biome crisis: global disparities of habitat loss and protection. Ecology Letters, 8:23-29, 2005 because of a high Conservation Risk Index (CRI).


See also

*
Biodiversity Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic (''genetic variability''), species (''species diversity''), and ecosystem (''ecosystem diversity'') l ...
* Conservation biology *
Ecology Ecology () is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere level. Ecology overl ...
* Ecoregions *
Protected Areas Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...


References

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External links


A-Z Areas of Biodiversity Importance: Crisis EcoregionsThe Gaps Guide: Biodiversity Crisis
Ecoregions