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Habitat (Ecology) -- United States

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View Resource Ecological Subregions of the United States

The electronic (interactive) version of a 1994 publication by the US Forest Service (USFS), this companion site is based on the National Hierarchical Framework of Ecological Units, designed to provide "a standardized method for classifying, mapping, and describing ecological units" in the US. Ecological Subregions of the United States, contains the biophysical descriptions for the color-coded...

https://www.fs.fed.us/land/ecosysmgmt/
View Resource Ecological Subregions of the United States

An electronic (interactive) version of a 1994 publication by the US Forest Service (USFS), this site is based on the National Hierarchical Framework of Ecological Units, designed to provide "a standardized method for classifying, mapping, and describing ecological units" in the US. Ecological Subregions of the United States, contains the biophysical descriptions for the color-coded maps. This is a...

https://www.fs.fed.us/land/pubs/ecoregions/
View Resource Description of the Ecoregions of the United States

An electronic (interactive) version of a 1995 publication by the US Forest Service (USFS), this site is based on the National Hierarchical Framework of Ecological Units, designed to provide "a standardized method for classifying, mapping, and describing ecological units" in the US. The "Ecoregions of the United States" contains three simple color maps of the United States (including Alaska, Hawaii...

https://www.fs.fed.us/land/ecosysmgmt/index.html