Tropical Savannas : Savanna

Tropical Savannas (alternate sp. savannah) are a grassland biome, dotted with trees, generally located at tropical latitudes. It is much drier than most tropical forest. Rainfall on savanna is between 50 and 150 centimeters (20 to 60 inches) a year, and can be very seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. Although the term "savanna" is believed to have originally come from an Amerindian word describing "land which is without trees but with much grass either tall or short" (Oviedo y Valdes, 1535), by the late 1800s it was used to mean land with both grass and trees. It now refers to land with grass and either scattered trees, or an open canopy of trees. Although rainfall is generally seasonal, rivers are found in many savanna regions and often cause seasonal floods. Much of the plant life on savannas is adapted to this seasonal aridness, either having long tap roots to reach water tables, or bulbs to store water.

Tropical savannas are widespread on the continent of Africa, and are also found in India and the northern parts of South America and Australia.

External link

more on this biome (http://www.panda.org/about_wwf/where_we_work/ecoregions/global200/pages/habitat/habitat07.htm)

There is also a city in the United States of America named Savanna, Illinois; also see Savannah for cities so named.

		Tropical Savannas : Savanna
		Tropical Savannas (alternate sp. savannah) are a grassland biome, dotted with trees, generally located at tropical latitudes. It is much drier than most tropical forest. Rainfall on savanna is between 50 and 150 centimeters (20 to 60 inches) a year, and can be very seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. Although the term "savanna" is believed to have originally come from an Amerindian word describing "land which is without trees but with much grass either tall or short" (Oviedo y Valdes, 1535), by the late 1800s it was used to mean land with both grass and trees. It now refers to land with grass and either scattered trees, or an open canopy of trees. Although rainfall is generally seasonal, rivers are found in many savanna regions and often cause seasonal floods. Much of the plant life on savannas is adapted to this seasonal aridness, either having long tap roots to reach water tables, or bulbs to store water. Tropical savannas are widespread on the continent of Africa, and are also found in India and the northern parts of South America and Australia. See also: Temperate Savannas External link more on this biome (http://www.panda.org/about_wwf/where_we_work/ecoregions/global200/pages/habitat/habitat07.htm) There is also a city in the United States of America named Savanna, Illinois; also see Savannah for cities so named.
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