A crisis ecoregion is a
terrestrial biome
A biome () is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. In 1935, Tansley added the ...
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) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...
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 is the variability of life, life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and Phylogenetics, phylogenetic diversity. Diversity is not distribut ...
*
Conservation biology
Conservation biology is the study of the conservation of nature and of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions. It is an i ...
*
Ecology
Ecology () is the natural science of the relationships among living organisms and their Natural environment, environment. Ecology considers organisms at the individual, population, community (ecology), community, ecosystem, and biosphere lev ...
*
Ecoregions
*
Protected Areas
Protected areas or conservation areas are locations which receive protection because of their recognized natural or cultural values. Protected areas are those areas in which human presence or the exploitation of natural resources (e.g. firewoo ...
References
{{Reflist
External links
A-Z Areas of Biodiversity Importance: Crisis EcoregionsThe Gaps Guide: Biodiversity Crisis
Ecoregions