Ecology and Conservation of Great Plains Vertebrates
Samson, Fred B. / Knopf, Fritz L. The frontier images of America embrace endless horizons, majestic herds of native ungulates, and romanticized life-styles of nomadie peoples. The images were mere reflections of vertebrates living in harmony in an ecosystem driven by the unpre dictable local and regional effects of drought, frre, and grazing. Those effects, often referred to as ecological "disturbanees, " are rather the driving forces on which species depended to create the s...