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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]
Native Americans cleared millions of acres of forest for many reasons, including hunting, farming, berry production, and building materials. [7] Prior to the arrival of European-Americans, about one half of the United States land area was forest, about 1,023,000,000 acres (4,140,000 km 2) estimated in 1630.
Map of wood-filled areas in the United States, c. 2000 [1]. In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2]
Map of above ground woody biomass c. 2000. Deforestation in the United States was affected by many factors. One such factor was the effect, whether positive or negative, that the logging industry has on forests in the country.
1905: The Transfer Act of 1905 established the US Forest Service as a division of the United States Department of Agriculture (USDA). [5] This agency was formed to map, maintain, and protect forests as well as provide water and timber for national benefit. Gifford Pinchot was appointed the head of the US Forest Service by President Roosevelt. [5]
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of United States ecoregions as identified by the World Wide Fund for Nature (WWF).
For national forests, see List of U.S. National Forests. Pages in category "Lists of state forests in the United States" The following 35 pages are in this category, out of 35 total.
United States Forest Service (USFS) United States Fish and Wildlife Service (FWS) Bureau of Land Management (BLM) These wilderness areas cover about 4.5% of the United States' land area, an area larger than the state of California. About 52% of the wilderness area is in Alaska, with 57,425,569 acres (89,727.452 sq mi; 232,393.03 km 2) of ...