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E-M:/ Ecoregions of the United States--USFS

Enviro-Mich message from John Rebers <jrebers@nmu.edu>

The sites below may be of interest to those working to protect forests in
Michigan. In the second site, Michigan is included in Chapter 14, section 212H.
John Rebers

>Ecological Subregions of the United States--USFS
>The electronic (interactive) version of a 1994 publication by the US Forest
>Service (USFS), these companion sites are 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 first site, "Ecoregions of the United States,"
>contains three simple color maps of the United States (including Alaska,
>Hawaii and Puerto Rico) showing generalized ecological boundaries. At the
>coarsest spatial scale, the Ecosystem Domains map delineates Dry, Humid
>Temperate, and Humid Tropical Domains. At the intermediate scale, an
>Ecosystem Divisions map delineates more than a dozen ecosystem types,
>ranging from tundra to rainforest. At the finest scale, over 50 Ecosystem
>Provinces are delineated. By clicking on a color type for any map (i.e., an
>ecosystem type), users may access further information on the abiotic and
>biotic characteristics within that ecosystem. A companion site, Ecological
>Subregions of the United States, contains the biophysical descriptions for
>the color-coded maps. This is a solid resource for anyone seeking broad
>ecosystem classifications for the United States. [LXP]

John Rebers
Central Upper Peninsula Group, Sierra Club
338 West Crescent Street
Marquette, MI  49855
906-227-1585 (office)
906-228-3617 (home)
e-mail address: jrebers@nmu.edu

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