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The Ganga-Brahmaputra River Basin

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The Ganga-Brahmaputra River Basin - Lesson Summary

The Ganga-Brahmaputra basin is a sub-tropical region. The Ganga and the Brahmaputra along with their tributaries, form this river basin.

The Ganges river is joined by its tributaries like the Ghaghra , the Son , the Chambal , the Gandak  and the Kosi. The Brahmaputra river is joined by its tributaries like the Dibang, the Luhit the Subansiri, the Manas, the Sankosh, the Tista, the Dhansiri and the Champamati.

The main features of this river basin are:
  • A fertile belt that includes most of north and east India
  • Rich source of alluvial soil
  • Number of ox-bow lakes over the plains
  • Bounded on the north by the mountains and foothills of the Himalayas
  • On east, lies the famed Sundarbans delta

The Ganga-Brahmaputra river basin region experiences a monsoon type of climate. As is the case for a monsoon climate area, the summers are hot and the winters cool. The Ganga-Brahmaputra basin is the largest river basin in the country.

Population density is the number of persons who live in one square kilometre of an area. The mountain areas have low population density, while the plains have a very high population density.

Agriculture is the main occupation of the people in the plains. Paddy is the main crop while other crops grown are wheat, maize, sorghum, gram, millets, jute and sugarcane.

Terrace farming is practised in the mountains and hills. The vegetation includes tropical deciduous trees in the plains, mangroves in the Sunderbans Delta, and coniferous trees in the cold and hilly regions. 


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