General characteristics & faunal adaptations in Grassland Ecosystem
The
Grassland is Found where the Rainfall is About the 25-75 CM Per Year and not
Enough to Support a Forest but More than that of a True Dessert. In the Central
and Eastern Parts and Central Parts of the Rajasthan where the Rainfall is
About 500 CM Per year and the Dry Season of the Six to Eight Months, Dry Savana
Grazing Ecosystem and Grazing Ecosystem is Developed.
Types
of Grasslands:
1. Semi
– Arid Zone:
2. Moist
Sub Humid Zone:
3. Dry
Sub Mid Forest:
4. The
Themeda:
Semi
– Arid Zone:
It
Covers Northern Parts of the Gujarat and Rajasthan and UP and Delhi and Punjab.
The Topography is Broken up by the hill Spurns and Sand Dunes. Nummularia Which
looks the Shrubs.
Dry
Sub Mid Forest:
It
Covers Whole Peninsular India (Except Nilgiri). Sehima is Most Prelevant and on
Gravel and Cover may be 27% of the 80 % is Cover by the Ground.
Moist
Sub Humid Zone:
The
Topography Level is Low Lying and ill Drained. The Common trees and Shrubs Are
Acacia Arabia. Some of these are Replaced by Borassus in the Palm Savannas
Especially Near Sundarbans.
The
Themeda:
This
Extends Are Moist to the Humid Areas of the Assam, Manipur, West Bengal, Uttar
Pradesh and Punjab and Manipur and Jammu Kashmir.
Role
of Fire:
Fire
Plays an Important Role in the Management of the Grasslands. Under Moist
Conditions, fire Favours grass over trees Where is Necessary for the Maintain
for the Invasion of the Deserts Shrubs. Burning increases, the Forage Yields
Cynodon Dactylon.
