This starts a domino effect where local extinctions can lead to the loss of these species from much larger areas. The steady loss of local populations leads to an eventual loss of entire species. View the map that displays the location of the wildlife corridors discussed in this summary. For supporting facts to this discussion, see the executive summary of the report, The Biological Case for Preserving Lands in the Interstate 90 Corridor . The Cascades Conservation Partnership A non-profit organization.
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