Amazon.com description: Product Description: The Colorado Plateau is among the five most most biologically diverse regions of the 110 defined ecoregions in North America and is likely the most linguistically and agriculturally diverse region on the continent. This ecoregional assessment focuses on its unique biological and cultural resources, the threats to the region's astounding levels of biocultural diversity, and the possible means to safeguard or restore them. As a "state of the ecoregion" report, it models an approach for assessing not merely biological and cultural diversity and their interactions, but the unique assets of an ecoregion as well.