Sea of grass : the conquest, ruin, and redemption of nature on the American prairie
"The North American prairie is an ecological marvel. One cubic yard of prairie sod contains so many organisms that it rivals the tropical rainforest for biological diversity. And like the rainforest, it showcases nature's prodigious talent for symbiosis. The lush carpet of grasses feeds a huge population of grazing animals and is home to some of the nation's most iconic creatures -- bison, elk, wolves, pronghorn, prairie dogs, and bald eagles. Th...