Identifies freshwater ecoregions that support globally outstanding biological diversity; Assesses the types and immediacy of threats to North American ecoregions; Identifies gaps in information that hamper an accurate evaluation of biodiversity; Provides a broad-scale framework for conservation activities.
Delineation of ecoregions and geographic scope of the study; major habitat types; discriminators; biological distinctiveness index (BDI); conservation status; integrating biological distinctiveness and conservation status; biological distinctiveness of North American ecoregions; conservation status of North American ecoregions; threat assessment; final conservation status; additional conservation status data; integrating biological distinctiveness and conservation status; targets requiring urgent action; site-specific conservation.