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Flowering big bluestem, a characteristic tallgrass prairie plant. The tallgrass prairie is an ecosystem native to central North America.Historically, natural and anthropogenic fire, as well as grazing by large mammals (primarily bison) provided periodic disturbances to these ecosystems, limiting the encroachment of trees, recycling soil nutrients, and facilitating seed dispersal and germination.
The tallgrass prairie ecosystem covered some 170 million acres (690,000 km 2) of North America. Besides agriculture, much of the shortgrass prairie became grazing land for domestic livestock . Short grasslands occur in semi-arid climates while tall grasslands are in areas of higher rainfall.
The Konza Tallgrass Prairie in Kansas hosts 250 species of native plants and provides habitat for 208 birds, 27 mammals, 25 reptiles, and over 3,000 insects. [17] Some of the dominant grasses of prairies are Indian grass, big bluestem, side-oats grama, Canada wildrye, and switchgrass. [18] Prairies are considered to be fire-dependent ecosystems.
In addition, native grasses are well-adapted to drought, fluctuating, continental temperatures, periodic fires — indeed, occasional fires are necessary to maintain prairies — and grazing ...
The deep root systems of prairie grasses absorb the abundant ... Invasive plant species can reduce grassland quality and displace native plants. These non-native grasses may not be able to ...
The shortgrass prairie consists of different varieties of vegetation. Notably abundant grasses are blue grama (Bouteloua gracilis), sod-forming grass, and buffalo grass (Bouteloua dactyloides). Less prevalent is galleta grass (Hilaria). These grasses are native to the shortgrass prairie and therefore are drought and grazing resistant.
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 .
Sporobolus heterolepis, commonly known as prairie dropseed, [1] is a species of prairie grass native to the tallgrass and mixed grass prairies of central North America from Texas to southern Canada. [ 1 ] [ 2 ] It is also found further east, to the Atlantic coast of the United States and Canada , but is much less common beyond the Great Plains ...
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