Bøker av John A. Wiens

Short, compelling, but mostly thought-provoking essys that encompass many of the central issues shaping ecology and conservation in the changing world* Collected essays from one of the best known ecologists and conservationists in the world* Includes all issues at the cutting edge of the interface between ecology and conservation* Attractive to a broad audience of ecologists, conservationists, natural resource managers, policy makers, and naturalists

In North America, concepts of Historical Range of Variability are being employed in land-management planning for properties of private organizations and multiple government agencies. The National Park Service, U.S. Fish & Wildlife Service, Bureau of Land Management, U.S.