types of ecoregions - EAS

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  1. The scheme used to designate and classify marine ecoregions is analogous to that used for terrestrial ecoregions. Major habitat types are identified: polar, temperate shelves and seas, temperate upwelling, tropical upwelling, tropical coral, pelagic (trades and westerlies), abyssal, and hadal (ocean trench).
    en.wikipedia.org/wiki/Ecoregion
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    How many types of ecoregions are there?
    These ecoregions were chosen from outstanding examples of each terrestrial, freshwater, and marine major habitat type. The 26 major habitat types describe different areas of the world that share similar environmental conditions, habitat structure, and patterns of biological complexity, and that contain similar communities and species adaptations.
    www.worldwildlife.org/biomes
    How do you identify an ecoregion?
    Ecoregions may be identified by similarities in geology, physiography, vegetation, climate, soils, land use, wildlife distributions, and hydrology . The classification system has four levels, but only Levels I and III are shown on this list.
    en.wikipedia.org/wiki/List_of_ecoregions_in_the_United_S…
    What is a Level 3 ecoregions?
    182 Level III ecoregions, which are smaller ecological areas nested within level II regions. Select a link for additional details about each level, or a list of links to downloadable maps and GIS data files. North America has been divided into 15 broad, level I ecological regions.
    www.epa.gov/eco-research/ecoregions-north-america
    How many ecoregions are there in North America?
    North America has been divided into: 15 broad, level I ecological regions; 50 level II ecological regions intended to provide a more detailed description of the large ecological areas nested within the level I regions; and. 182 Level III ecoregions, which are smaller ecological areas nested within level II regions.
    www.epa.gov/eco-research/ecoregions-north-america
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    List of terrestrial ecoregions (WWF) - Wikipedia

    https://en.wikipedia.org/wiki/List_of_terrestrial_ecoregions_(WWF)

    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

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  4. Ecoregions | US EPA

    https://www.epa.gov/eco-research/ecoregions
    • Ecoregions are areas where ecosystems (and the type, quality, and quantity of environmental resources) are generally similar. This ecoregion framework is derived from Omernik (1987) and from mapping done in collaboration with EPA regional offices, other Federal agencies, state resource management agencies, and neighboring North American countries. Designed to serve …
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  5. List of ecoregions in the United States (EPA) - Wikipedia

    https://en.wikipedia.org/wiki/List_of_ecoregions_in_the_United_States_(EPA)

    This list of ecoregions in the United States provides an overview of United States ecoregions designated by the U.S. Environmental Protection Agency (EPA) and the Commission for Environmental Cooperation (CEC). The CEC was established in 1994 by the member states of Canada, Mexico, and the United States to address regional environmental concerns under the North American Agreement on Environmental Cooperation(NAAEC), the environmental side accord to t…

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  6. Ecoregions - World Wildlife Fund

    https://www.worldwildlife.org/biomes

    In order to represent the unique fauna and flora of the world's continents and ocean basins, each major habitat type was further subdivided by 7 biogeographic realms (Afrotropical, Australasia, Indo-Malayan, Nearctic, Neotropical, Oceania, Palearctic).



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