Tropical Savana



A tropical wet and dry climate predominates in areas covered by savanna growth. Mean monthly temperatures are at or above 64° F and annual precipitation averages between 30 and 50 inches. For at least five months of the year, during the dry season, less than 4 inches a month are received.
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Savannas have a continuous cover of perennial grasses, often 3 to 6 feet tall at maturity. They have an open canopy of drought-resistant, fire-resistant, or browse-resistant trees, or an open shrub layer. Distinction is made between tree or woodland savanna, park savanna, shrub savanna and grass savanna.
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Soils vary according to bedrock and edaphic conditions. In general, however, laterization is the dominant soil-forming process and low fertility oxisols can be expected.
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