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1. GRASSLAND ECOSYSTEM M.NASEEFA 123058 SEC-B

2. Grasslands are dominated by grass species but sometimes also allow the growth of a few trees and shrubs. Rainfall is average but erratic. Limited grazing helps to improve the net primary production of the grasslands. TYPES OF GRASSLAND : TROPICAL GRASSLANDS TEMPERATE GRASSLANDS POLAR GRASSLANDS

3. TROPICAL GRASSLANDS They occur near the boarders of tropical rain forests in regions of high average temperature and low to moderate rainfall In africa they are typically now as savannas . Tall trees with scattered shrubs and stunged trees They contain animals including zebras , giraffes , etc.

4. TEMPERATE GRASS LANDS They are usually found on flat , gentle sloaped hills , winters are very cold but summers are hot and dry . Intense grazing and summer fires Do not allow shrubs are trees to grow . They are found US and CANADA .

5. POLAR GRASSLANDS [Arctic tundra] They are found in arctic polar regions where severe cold and strong , frigid winds along with ice and snow create two harsh climate for trees to grow In summers the sun shines almost around the clock and hence several small annual plants grow in summer Animals include arctic wolf , arctic fox ,reindeer etc..