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Why are the temperate grasslands of North America treeless?

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Temperate grasslands are located north of the Tropic of Cancer (23.5 degrees North) and south of the Tropic of Capricorn (23.5 degrees South). The major temperate grasslands include the veldts of Africa, the pampas of South America, the steppes of Eurasia, and the plains of North America. read more

Temperate Grasslands. Temperate grasslands and savannas are two types of grassland biomes. Like savannas, temperate grasslands are areas of open grassland with very few trees. Temperate grasslands, however, are located in colder climate regions and receive less precipitation on average than savannas. read more

Grasslands are characterized as lands dominated by grasses rather than large shrubs or trees. In the Miocene and Pliocene Epochs, which spanned a period of about 25 million years, mountains rose in western North America and created a continental climate favorable to grasslands. Ancient forests declined and grasslands became widespread. read more

North America - Temperate grasslands: The temperate grasslands, or prairies, form a belt between forest and desert, mainly on the Great Plains but also on the mid-slopes of the intermontane basins, above the salty desert flats. read more

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