Human Impacts on the Savanna

Topics: Climate, Africa, Tropics Pages: 2 (349 words) Published: March 8, 2009


Savannahs are considered tropical grasslands because they are located at tropical latitudes, however much drier than many tropical forests. There is a distinct dry season, which is in the winter. Savannas get all their rain in the summer months. During the dry season, most of the plants shrivel up and die, some rivers dry up, and most of the animals migrate to find food. In the wet season all of the plants are lush and the rivers flow freely. The animals migrate back to graze. In West Africa the rainy season begins in May. It is usually cooler during the dry season by a few degrees. The climate has a temperature range of 68° to 86° F. In the winter, it is usually about 68° to 78° F. In the summer the temperature ranges from 78° to 86° F. The Savanna is a moderately stable climate. There is an annual precipitation of 10 to 30 inches of rain but this usually occurs in a few weeks. Growth after the rainfall occurs, however long periods of drought follow. The dominant plant life are grasses and small plants. Trees are sparse throughout this semi arid landscape, only growing where there are cracks in the surface or deep soil. Some animals that roam the Savanna include elephants, wild dogs, hyenas, zebras, lions, mice, vultures, cheetahs termites, and crocodiles. Savannas are located at 30 N and 30 S latitude.

Human Impacts:

Although tourism has benefited many aspects
of the African Savanna, such as many of the
wild animals in Africa are now being protected,
there are also many damaging effects. Some of
these include; Conflicts between animals and
the tourists, the tourist vehicles damaging the
ground, crops being grown that damage the
natural habitat of certain animals, hunting,
and added pollution. There is especially a
problem with fires now that more and more
humans have came into the Savanna. The
added pollution has caused a drop of an
estimated 25 mm in rain fall, and most fires
in the African...
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