The Tarai region of the Northern plains supports luxurious growth of natural vegetation and va...........

Geography Physiography of India

The Tarai region of the Northern plains supports luxurious growth of natural vegetation and varied wild life population. This is because

Re-emerging rivers from Bhabhar flow in undemarcated channels here creating marshy and swampy conditions

all fertile course load is deposited at Tarai region after rivers re-emerge from Bhabar region

the Tarai region is crossed by large Himalayan rivers which regularly deposit silt and clay here

Both 1 and 3

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Explanation:

Bhabar is a narrow belt ranging between 8-10 km parallel to the Shiwalik foothills at the break-up of the slope. As a result of this, the streams and rivers coming from the mountains deposit heavy materials of rocks and boulders, and at times, disappear in this zone. South of the Bhabar is the Tarai belt, with an approximate width of 10-20 km where most of the streams and rivers re-emerge without having any properly demarcated channel, thereby, creating marshy and swampy conditions known as the Tarai.

This has a luxurious growth of natural vegetation and houses a varied wild life. The Terai is crossed by the large perennial Himalayan rivers Yamuna, Ganges, Sarda, Karnali, Narayani and Kosi that have each built alluvial fans covering thousands of square kilometres below their exits from the hills.