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词条 Lists of ecoregions in the United States
释义

  1. See also

Lists of ecoregions in the United States — based upon two separate ecoregion classification systems:

  • List of ecoregions in the United States (EPA) — United States Environmental Protection Agency system
  • List of ecoregions in the United States (WWF) — World Wildlife Fund system

See also

  • Ecoregions of the United States — index of U.S. ecoregions, all systems.
  • List of ecoregions in North America (CEC) — North American Commission for Environmental Cooperation system.
{{Ecoregions in the United States}}

7 : Ecoregions of the United States|Lists of ecoregions by country|United States geography-related lists|United States nature-related lists|Ecoregions of North America|United States science-related lists|Lists of lists
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