Wagner, Frederic H.

概要

作品:	1 作品在 0 項出版品 0 種語言

書目資訊

Yellowstone's Destabilized Ecosystem = Elk Effects, Science, and Policy Conflict by: Hamilton, Wayne L.; Keigley, Richard B; Oxford University Press.; Wagner, Frederic H.; Yellowstone National Park (書目-語言資料,印刷品)

Wildlife policies in the U.S. national parks by: Sax, Joseph L.; Wagner, Frederic H.; NetLibrary, Inc.; United States., National Park Service. (書目-語言資料,印刷品)

Wildlife policies in the U.S. national parks / by: Sax, Joseph L.; Wagner, Frederic H. (書目-語言資料,印刷品)

主題

United States. Parques nacionais. Nature conservation- Government policy- United States. Ecology- History.- Yellowstone National Park Wildlife management- Government policy- United States. Yellowstone National Park- History. National parks and reserves- Management.- United States Especies animais (conservacao)