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The Upper Midwest forest–savanna transition is a terrestrial ecoregion that is defined by the World Wildlife Fund. An oak savanna plant community located in the Upper Midwest region of the United States , it is an ecotone (a transitional area) between the tallgrass prairies to the west and the temperate deciduous forests to the east.
This forest is found in fire-sheltered locations surrounded by pine-dominated uplands, including slopes near rivers and sinkholes. Sand laurel oak ( Quercus hemisphaerica ) is the typical oak species; post oak ( Quercus stellata ), southern red oak ( Quercus falcata ), and white oak ( Quercus alba ) are associates.
Middlefork Savanna is a of 687 acres (278 ha) nature preserve in Lake Forest, Illinois. [1] Several biomes including oak savannas, dry-mesic prairies, wet-mesic prairies, marshes, deciduous woodlands, and sedge meadows as well as a portion of the North Branch of the Chicago River are found in the preserve. The Middlefork Savanna also contains ...
The Oak Savanna Foothills ecoregion consists of moderately sloping mountain foothills bordering the Rogue and Illinois river valleys and sharing their Mediterranean climate. Elevation varies from 1,400 to 4,000 feet (427 to 1,219 m).
The California Central Valley grasslands is a temperate grasslands, savannas, and shrublands ecoregion in California's Central Valley.It a diverse ecoregion containing areas of desert grassland (at the southern end), prairie, savanna, riparian forest, marsh, several types of seasonal vernal pools, and large lakes such as now-dry Tulare Lake (which was the largest freshwater lake in the United ...
Naturally regenerated longleaf pines in DeSoto National Forest, Mississippi. The longleaf pine ecosystem is a temperate coniferous forest ecosystem found within the Southern United States. Spanning pine savannas, sandhills and montane forests, it includes many rare plant and animal species, and is one of the most biodiverse in North America. [1]
The ecoregion covers an area of 165,800 km 2 (64,000 sq mi). It lies in the upper basin of the Nile River, between 800 and 1500 meters elevation.It is bounded on the west by the higher-elevation Afromontane forests of the Albertine Rift, which separate it from the Congolian rainforests of the Congo Basin.
Oak savanna with buttercups in Sams Valley, Oregon. Eastern woodlands of the United States - Woodlands in southeastern regions. Oak savanna - Savanna in west coast, western, and central regions. Native American use of fire - Other native uses of fire. Terra preta - Use of burning in South America agricultural use rather than grassland.