By: National Research Council
180 pages, Figs, tabs, maps
Controversy over the National Park Service's approach of "natural regulation" has heightened in recent years because of changes in vegetation and other ecosystem components in Yellowstone's northern range. This report examines the evidence that increased ungulate populations are responsible for the changes in vegetation and that the changes represent a major and serious change in the Yellowstone ecosystem.
There are currently no reviews for this product. Be the first to review this product!
Your orders support book donation projects
Your quick and straightforward service saved the fieldwork for my PhD project in Kerala.
Search and browse over 110,000 wildlife and science products
Multi-currency. Secure worldwide shipping
Wildlife, science and conservation since 1985