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Modoc National Forest contains the Medicine Lake Volcano, which has an elevation of 7,921 ft (2,414 m) and is the largest shield volcano in North America. There are 43,400 acres (17,600 ha) of old-growth forest here along with Mill Creek Falls in the South Warner Wilderness. [86] Monongahela: West Virginia
The most heavily forested regions of the U.S. are Maine, New Hampshire, American Samoa, the Northern Mariana Islands and West Virginia; the least heavily forested regions are North Dakota, Nebraska, and South Dakota. [2] The U.S. had a 2018 Forest Landscape Integrity Index mean score of 6.65/10, ranking it 67th globally out of 172 countries. [6]
The North American inland rainforest is located in the so-called interior wet-belt, approximately 500-700 km inland from the Pacific coast on western, windward mountain slopes and valley bottoms of the Columbia Mountains and the Rocky Mountains.
The Eastern Temperate Forests is a Level I ecoregion of North America designated by the Commission for Environmental Cooperation (CEC) in its North American Environmental Atlas. The region covers much of the Eastern and Midwestern United States, the U.S. Interior Highlands, and parts of Ontario, Quebec, and the Maritimes.
For a general description of these forests, refer to Temperate Deciduous Forest. The standard reference is The Deciduous Forest of Eastern North America. [4] The adjoining forests in Canada are generally referred to as the Mixedwood Plains Ecozone or the Great Lakes-St.Lawrence Forest Region. 32 Texas Blackland Prairies; 33 East Central Texas ...
The current oak–hickory forest includes the former range of the oak–chestnut forest region, which encompassed the northeast portion of the current oak–hickory range. When the American chestnut population succumbed to invasive fungal blight in the early 20th century, those forests shifted to an oak and hickory dominated ecosystem.
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]
There are common patterns of hydrological cycles throughout the North American Deserts, but specifics of times and source of water range. All four deserts rely on rivers, precipitation, and underground aquifers to replenish their water supply. [8] The water in the North American desert is mainly freshwater.