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There are nine regions in the Forest Service; numbered 1 through 10 (Region 7 was eliminated in 1965 when the current Eastern Region was created from the former Eastern and North Central regions. [18]). Each encompasses a broad geographic area and is headed by a regional forester who reports directly to the Chief.
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] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured. [3] [4]
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 Forest also manages four National Grasslands that stretch from northeastern New Mexico eastward into the Texas Panhandle and western Oklahoma. The Cibola National Forest and Grassland is administered by Region 3 of the United States Forest Service from offices in Albuquerque, New Mexico. Elevation ranges from 5,000 ft (1,500 m) to 11,301 ft ...
Ranger offices are the Forest Service's public service offices. Maps and other information about the forests can be obtained at these locations. These offices are open Monday through Friday from 8:00 a.m. to 4:30 p.m. The Supervisor's Office in Roanoke is not located in the forest and is primarily an administrative location. [15]
Map of national grasslands in the United States, depicted in yellow Entrance sign of a United States National Grassland area in South Dakota. A national grassland is an area of protected and managed federal lands in the United States authorized by Title III of the Bankhead–Jones Farm Tenant Act of 1937 and managed by the United States Forest Service.
The forest resources of the United States remained relatively constant through the 20th century. [9] The Forest Service reported total forestation as 766,000,000 acres (3,100,000 km 2) in 2012. [10] [11] [9] A 2017 study estimated 3 percent loss of forest between 1992 and 2001. [12]
The region contains the large system of sandstone caves in Mammoth Cave National Park. The region was designated by the World Wide Fund for Nature (WWF) and is a fraction of what others consider the Central Hardwood Forest of the Central Hardwood Region , which would include the northern hardwood forest to the north.