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The shortgrass prairie is an ecosystem located in the Great Plains of North America.The two most dominant grasses in the shortgrass prairie are blue grama (Bouteloua gracilis) and buffalograss (Bouteloua dactyloides), the two less dominant grasses in the prairie are greasegrass (Tridens flavus) and sideoats grama (Bouteloua curtipendula).
Bouteloua dactyloides, commonly known as buffalograss or buffalo grass, is a North American prairie grass native to Canada, Mexico, and the United States. It is a short grass found mainly on the High Plains and is co-dominant with blue grama (B. gracilis) over most of the shortgrass prairie. Buffalo grass in North America is not the same ...
The Northern Shortgrass Prairies have a semi-arid climate, with annual average precipitation ranging from 270mm to 450mm. [citation needed] Winters here are cold, with a mean winter temperature of −10 °C (14 °F), but chinook winds, most common in the western part of the region, closest to the Rocky Mountains, ameliorate the cold temporarily when they pass over.
Grasslands occur where there is insufficient rain to support trees, thus only grasses and a few shrubs can survive. There are three kinds of grasslands on the great plains, short grass prairie, mixed grass, and long grass prairie. In each of these, grass species serve all the keystone roles.
Most of this ecoregion is occupied by farms and ranches, and cattle grazing has affected 75% of the Western short grasslands, particularly the southern portion. This overgrazing has led to an invasion of desert scrub plants from the southwest, such as mesquite. Despite this, 40% of the ecoregion is considered to be intact.
Zoysia japonica (commonly known as Korean lawngrass, [1] zoysia grass or Japanese lawngrass) is a species of creeping, mat-forming, short perennial grass that grows by both rhizomes and stolons. [2] [3] It is native to the coastal grasslands of southeast Asia and Indonesia. [4] The United States was first introduced to Z. japonica in 1895.