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The WDPA uses the IUCN's definition of a protected area as the main criteria for entries to be included in the database. The database contains comprehensive information on the different types of protected areas ranging from those strictly protected for conservation purposes to those where sustainable use of natural resources is allowed; and includes government, co-managed, private and ...
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.
National Wilderness Areas are designated within other protected areas, managed by various agencies and sometimes wilderness areas span areas managed by multiple agencies. Those relying on U.S. protected areas data are advised to learn more about all of these conventions by reviewing the extensive PAD-US Help system.
Marine protected areas of the United States (2 C, 8 P) National Marine Sanctuaries of the United States (4 C, 19 P) Protected areas on the Mississippi River (1 C, 67 P)
The protected area includes five mountain ranges that rise above the Chihuahua Desert: Robledo Mountains, Sierra de las Uvas, Doña Ana Mountains, Organ Mountains and Potrillo Mountains. There are approximately 870 vascular plant species, and the area is popular for hiking and climbing. [145] Organ Pipe Cactus. Arizona
Mountains: Nationally designated protected areas cover 14.3% of the world's mountain areas, and these mountainous protected areas made up 32.5% of the world's total terrestrial protected area coverage in 2009. Mountain protected area coverage has increased globally by 21% since 1990 and out of the 198 countries with mountain areas, 43.9% still ...
In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to 2006. The site is an interactive map of the United States that allows users to search or move around the map to find the USGS collection of maps for a specific area.
The smallest area protected by the WPS is the Pelican Island Wilderness in northern Florida, which measures just 6 acres (2.4 ha) total. The smallest area preserved in the system was formerly the Rocks and Islands Wilderness in Northern California at 5 acres (2.0 ha), but after a reassessment by the Bureau of Land Management in 2006 it was ...