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.
Robin Abell is a senior freshwater conservation biologist at WWF. She specializes in broad-scale conservation planning to protect freshwater biodiversity. Eric Dinerstein is Director of Biodiversity and Wildlife Solutions at RESOLVE. Previously, he was Lead Scientist and Vice President for Conservation Science at the World Wildlife Fund. His areas of specialty include tropical mammals, large mammal biology, biogeography, bats, rhinos, seed dispersal, and community ecology. With the World Wildlife Fund, he led many of the organization's most important scientific projects, including the Global 200 Ecoregions, examples of which form the basis of his book Tigerland and Other Unintended Destinations. Dinerstein is also the author of The Kingdom of Rarities, The Return of the Unicorns: The Natural History and Conservation of the Greater One-Horned Rhinoceros and What Elephants Know: A Novel, among other articles and publications. He attended Northwestern University and Western Washington University, and did his post-graduate studies at the University of Washington (Organization of Tropical Studies) and the National Zoological Park's Conservation and Research Center.