3 Ergebnisse.

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...

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...

processes, (3) ensure the integrity of ecosys­ The theory and practice of ecosystem manage­ tems, and (4) advocate the sustainable use of ment is pivotal to the debate over how to sustain the health and productivity of our envi­ natural resources. In this book, each of these ronment. In particular, the role of ecosystems four topics is addressed by a set of eight key in preserving biological diversity, their contri­ journal articles. The first...