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This is a list of terrestrial ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial, freshwater, and marine ecoregions. The terrestrial scheme divides the Earth's land surface into 8 biogeographic realms, containing 867 smaller ecoregions. Each ecoregion is classified into one of 14 major habitat types, or biomes.
Anthropogenic climate change has the potential to greatly alter the distribution of Earth's biomes. [34] [35] Meaning, biomes around the world could change so much that they would be at risk of becoming new biomes entirely. [36] More specifically, between 54% and 22% of global land area will experience climates that correspond to other biomes.
Terrestrial Ecoregions of the World (Olson et al. 2001, BioScience) WWF terrestrial ecoregions of the world One way of mapping the world into 18 terrestrial vegetation biomes, each containing one or more ecoregions EPA level III ecoregions in the contiguous United States.
They are distinct from biomes, also known as major habitat types, which are divisions of the Earth's surface based on life form, or the adaptation of animals, fungi, micro-organisms and plants to climatic, soil, and other conditions. Biomes are characterized by similar climax vegetation. Each realm may include a number of different biomes.
The Global 200 is the list of ecoregions identified by the World Wide Fund for Nature (), the global conservation organization, as priorities for conservation.According to WWF, an ecoregion is defined as a "relatively large unit of land or water containing a characteristic set of natural communities that share a large majority of their species dynamics, and environmental conditions".
A megadiverse country is one of a group of nations that harbours the majority of Earth's species and high numbers of endemic species. Conservation International identified 17 megadiverse countries in 1998, [1] [2] all of which are located at least partially in tropical or subtropical regions. Megadiversity means exhibiting great biodiversity.
Category: Biomes. 62 languages. ... World Network of Biosphere Reserves This page was last edited on 7 November 2022, at 16:05 (UTC). Text is available under ...
Pages in category "Terrestrial biomes" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes. A. Amazon biome; B.