tropical regions - Sudan and Sahara types

tropical grass land region or savanna type climate and tropical desert region or sahara type climate.

1. TROPICAL REGIONS- SUDAN TYPE ,SAHARA TYPE ABDUL MUHAIMIN K 3 rd Bsc Geography Ideal College,Cherpulassery

2. TROPICAL GRASSLAND REGIONS or SUDAN TYPE

3. TROPICAL GRASSLAND REGIONS or SUDAN TYPE Tropical grasslands are located near the equator, between the Tropic of Cancer and the Tropic of Capricorn Latitude - 5 °N to 20 °s This region also known as savanna Distribution - They cover much of Africa as well as large areas of Australia, South America, and India

4. Savanna climate the word savanna region has been used by the climatologists to indicate a particular type of climate i.e., tropical wet-dry climate Annual rainfall ranges from 80 – 160 cm Annual temperature is greater than 18° C Days are hot and nights are cold The prevailing winds of the region are the Trade Winds, which bring rain to the coastal districts.

5. Natural Vegetation of Savanna Climate The savanna landscape is typified by tall grass and short trees. The trees are deciduous, shedding their leaves in the cool, dry season to prevent excessive loss of water through transpiration Tropical grasslands are dominated by grasses, often 3 to 6 feet tall at maturity. They may have some drought-resistant, fire-resistant

6. TROPICAL DESERT REGION OR SAHARA TYPE

7. TROPICAL DESERT REGION OR SAHARA TYPE Located between 20° and 30°N and S latitudes. It is the driest and hottest place on earth. Sahara is the biggest desert in the world ( 9.2 million sq km) The major hot deserts of the world are located on the western coasts of continents.

8. Rainfall - Most deserts get very little rainfall,on average , not more than 20 cm a year. There may be years without any rainfall Temperature – 30 °c to 50 °c Natural Vegetation - All deserts have some form of vegetation such as grass, scrub, herbs,weeds, roots or bulbs The predominant vegetation of both hot and mid-latitude deserts is xerophytes or drought-resistant scrub. This includes the cacti, thorny bushes.