Describe te major vegetation zones of himalayan region
Answers
The tropical rainforests: The tropical rainforests are dense, evergreen, gloomy and similar to the forests of the Amazon basin and other equatorial areas. They occur mainly in the eastern Himalayas which receives very heavy rainfall.
The tropical deciduous forests: Tropical deciduous forests are found in regions of slightly lower rainfall. They are common in the lower slopes of the Himalayas. These forests shed their leaves in certain seasons. Also the forests tend to be less dense than the rainforests. Forests of teak and sal are common in areas of deciduous vegetation.
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Q. 17
Describe the major vegetation zones of the Himalayan region.
Answer
The vegetation differs according to the height in the Himalayan region.
(i) There are tropical deciduous forests in the foothills that is th Shiwaliks . ‘Sal’ is the most important species of economic significance.
(ii) The zone with altitude 1000 m – 2000 m consists of evergreen forests. Examples include Beech, chestnut, oak, ash, etc. These at a higher altitude are replaced by ‘chir’ and ‘chil’.
(iii) The zone between 1500m – 3000 m includes pine, cedar, silver fir and spruce. They are the famous coniferous trees, typical of the dry temperate region found in the inner Himalayan region.
(iv) At the height of 3600 m or more, shrubs, scrubs, and grasses of alpine variety are found.
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