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Upper Midwest Environmental Sciences Center
folder.gif Midwest Region of Amphibian Research and Monitoring Initiative (ARMI)

Terrestrial Wetland Global Change Research Network

The relative cumulative impacts of human activities across North America.

Fig. 5. The relative cumulative impacts of human activities across North America. Scale is from red (high impacts) to green (low impacts). (http://sedac.ciesin.columbia.edu/wildareas/maps.jsp)

 

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