Environmental impact of development in the Sundarbans Environmental impact of development in the Sundarbans Environmental impact of development in the Sundarbans, is the study of environmental impact on Sundarban, the largest single tract mangrove forest. It consist of a geographical area of , including of reserve forest land, and is a natural region located partly in southern Bangladesh and partly in the Indian state of West Bengal. It is ecologically a southern part of the Gangetic delta between the Hooghly river in India on the west and the Meghna river in Bangladesh on the east and is bounded by the Ganga-Padma, the Padma-Meghna on the north and
Daman Ganga River joins the sea at Daman, it is named Daman Ganga. At the estuary there is heavy sedimentation and hence the depth of water is shallow. Daman is located on both banks of the river (Portuguese name: Rio Sandalcalo). At the mouth of the river the bar is level bed made of hard sand, except for the North of the North point where the river enters the sea. The river basin (part of the basin of West flowing rivers from Tapi to Tadri), which lies entirely on the western ghats, has a total catchment area of . Catchment area distribution is: