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Elk at the Opal Terrace at Mammoth Hot Springs, Yellowstone National Park. The Leopold Report, officially known as Wildlife Management in the National Parks, is a 1963 paper composed of a series of ecosystem management recommendations that were presented by the Special Advisory Board on Wildlife Management to United States Secretary of the Interior Stewart Udall.
Some state parks, like Adirondack Park, are similar to the national parks of England and Wales, with numerous towns inside the borders of the park. About half the area of the park, some 3,000,000 acres (1,200,000 ha), is state-owned and preserved as "forever wild" by the Forest Preserve of New York .
National parks in the United States are created by United States Congress legislation as per the National Park Service Organic Act. [1] However, most parks are first proposed by members of the public, states, local entities, tribal nations, members of Congress, or even the National Park Service itself. [2]
An all-taxa biodiversity inventory, or ATBI, is an attempt to document and identify all biological species living in some defined area, usually a park, reserve, or research area. The term was coined in 1993, in connection with an effort initiated by ecologist Daniel Janzen to document the diversity of the Guanacaste National Park in Costa Rica. [1]
America had its own conservation movement in the 19th century, most often characterized by George Perkins Marsh, author of Man and Nature.The expedition into northwest Wyoming in 1871 led by F. V. Hayden and accompanied by photographer William Henry Jackson provided the imagery needed to substantiate rumors about the grandeur of the Yellowstone region, and resulted in the creation of ...
The total area protected by national parks is approximately 52.4 million acres (212,000 km 2), for an average of 833 thousand acres (3,370 km 2) but a median of only 220 thousand acres (890 km 2). [8] The national parks set a visitation record in 2021, with more than 92 million visitors. [9]
Measures and matters related to the National Park System and its units, including Federal reserved water rights.; The National Wilderness Preservation System.; Wild and Scenic Rivers System, National Trails System, national heritage areas and other national units established for protection, conservation, preservation or recreational development, other than coastal barriers.
There are 63 officially designated national parks in the United States and its dependent areas, as of 2021. [2] The national parks are considered the "crown jewels" of the system and are typically larger than other areas, including a variety of significant ecological and geological resources.