Habitats and ecosystems

the long version

"Who wouldn't want to see an untouched prairie, a rare salamander, or an endangered butterfly? You'll find these and more than 2,500 other endangered species, habitats, and ecosystems described in this unique guide to little-known protected sites across the country. This work, the companion to the authors award-winning Toxic Waste Sites: An Encyclopedia of Endangered America, includes: overview of endangered ecosystems; state-by-state roster of threatened sites; a discussion of the controversial question of what is endangered and what isn't; appendixes listing important state and federal agencies and endangered and threatened species." "A glossary, a comprehensive bibliography, and a thorough subject index further enhance the volumes usefulness."--BOOK JACKET.