Detailed Notes
The Terai zone is characterized by its high moisture content, waterlogged conditions and extremely fertile alluvial soil. Rivers that disappear into the porous Bhabar region re-emerge in this belt, creating swamps, wetlands and a damp landscape. Due to continuous deposition of fine silt, clay and alluvium by Himalayan rivers, the region remains agriculturally productive but also prone to flooding.
Geographically, the Terai zone is often associated with the Terai-Duar or Dooars region, which serves as a gateway to the Brahmaputra Valley and Northeast India. The area is covered with dense forests and tall grasslands, forming a unique ecosystem known as terai-duar savanna and grasslands.
Environmentally, this region is highly significant as it supports rich biodiversity. It provides natural habitat for important wildlife species such as elephants, one-horned rhinoceros and other endangered animals. Because of its ecological importance, the Terai zone is considered a vital conservation landscape in Assam.
Overall, the Terai zone plays an important role in Assam's geography, environment and agriculture, making it a key topic for general knowledge and competitive examinations.