Ad
related to: usgs ecoregions map of america
Search results
Results From The WOW.Com Content Network
In the United States, the EPA and the United States Geological Survey (USGS) are the principal federal agencies working with the CEC to define and map ecoregions. Ecoregions may be identified by similarities in geology, physiography, vegetation, climate, soils, land use, wildlife distributions, and hydrology.
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of ecoregions in the United States as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.
This page was last edited on 31 January 2025, at 17:46 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The classification system has four levels. Only the first three levels are shown on this list. "Level I" divides North America into 15 broad ecoregions. "Level II" subdivides the continent into 52 smaller ecoregions. "Level III" subdivides those regions again into 182 ecoregions. [1] [2] "Level IV" is a further subdivision of Level III ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file
S. Sagebrush steppe; Sierra Madre Occidental pine–oak forests; Sierra Madre Oriental pine–oak forests; Snake River Plain (ecoregion) Snake–Columbia shrub steppe
Date/Time Thumbnail Dimensions User Comment; current: 16:41, 22 July 2019: 5,100 × 6,300 (2.34 MB): TimK MSI {{Information |description ={{en|1=Map of Level III and Level IV ecoregions in the Delaware, Maryland, Pennsylvania, Virginia, Washington, D.C. and West Virginia, as defined by the U.S. Environmental Protection Agency.
Flora of the Great Plains (North America) Great Plains—related topics; Temperate grasslands, savannas, and shrublands in the United States — biome's ecoregions in the U.S. List of ecoregions in the United States (EPA) List of ecoregions in the United States (WWF) — Region 109 on the map