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[16] [19] [20] Encouraged by these factors and the Appalachian National Park Association (founded in 1899), Congress passed the Weeks Act in 1911 to enable the purchase of Federal lands in the Eastern United States. [16] [19] [20] Beginning with the creation of the Pisgah National Forest in 1916, much of the rainforest area is now conserved. [51]
Map of national forests and national grasslands of the United States. The United States has 154 protected areas known as national forests, covering 188,336,179 acres (762,169 km 2; 294,275 sq mi). [1] National forests are managed by the U.S. Forest Service, an agency of the U.S. Department of Agriculture. [2]
The five federal regulatory agencies managing forest fire response and planning for 676 million acres in the United States are the Bureau of Land Management, the Bureau of Indian Affairs, the National Park Service, the United States Forest Service and the United States Fish and Wildlife Service. Several hundred million U.S. acres of wildfire ...
Rainforests can be generally classified as tropical rainforests or temperate rainforests, but other types have been described. Estimates vary from 40% to 75% of all biotic species being indigenous to the rainforests. [1] There may be many millions of species of plants, insects and microorganisms still undiscovered in tropical rainforests.
View history; Tools. Tools. move to sidebar hide. ... Download as PDF; Printable version; In other projects ... Taiga and boreal forests in the United States (1 C, ...
In the United States, the inland rainforest regions are also classified as significant habitat types for western redcedar and western hemlock. [20] Because of their humid climate, the inland rainforest patches support the establishment of oceanic species that would typically be expected to grow in maritime and coastal environments.
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of ecoregions in the United States as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.
A portion of the temperate rain forest region of North America, the largest area of temperate zone rainforests on the planet, is the Pacific temperate rain forests ecoregion, which occur on west-facing coastal mountains along the Pacific coast of North America, from Kodiak Island in Alaska to northern California, and are part of the Nearctic realm.