NCERT Solution: Natural Vegetation and Wildlife
1. The freezing high altitudes of Ladakh are a home to Yak, the shaggy horned wild ox weighing around tones.
2. The Tibetan antelope, the pharal (blue sheep), wild sheep are found here.
3. The kiang-the Tibetan wild ass is also found in this region.
4. The ibex, bear, snow-leopard and very rare red Panda are found in certain pockets.
1. The decreasing temperature with increasing attitude leads to the corresponding change in the natural vegetation in mountainous areas.2
2. Such type of natural vegetation belt can be found in tropical tundra region.
3. The wet temperature type of forsts is found in between height of 1000 and 2000 meters.
4. Oaks and chestnuts trees predominant here.
5. Trees like pine, deodar, silver fir, spruce and cedar are found in temperate forests between 1500 and 3000 meters.
6. These forests cover mostly the southern slopes of Himalayas.
7. Temperate grasslands are common at higher elevation.
1. The natural vegetation like thorny trees and bushes are to be found in the regions having less than 70 cm rainfall.
2. Such type of vegetation grows in the north-western part of country including semiarid areas of Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, utter Pradesh and Haryana.
3. Acacias, plams, euphorbias and cacti are the main plant species of this region.
4. Trees are scattered and have long roots penetrating deep into the soil in order to get moisture.
5. The stems are succulent to conserve water. To minimize evaporation, leaves are mostly thick and small. These forests give way to thorn forests and scrubs in dry area.
Indigenous Species
About 47000
Arunachal Pradesh
1. It means a plant community or group of trees grown naturally without any outside interference.
2. It is grown without human help and left undisturbed for a long time.
3. This kind of vegetation is called the virgin vegetation.
4. It may be of two kinds- endemic vegetation and exotic plants.