Ganges Delta Ganges Delta The Ganges-Brahmaputra Delta (also known as the Brahmaputra Delta, the Sunderbans Delta or the Bengal Delta) is a river delta in the Bengal region of the Indian subcontinent, consisting of Bangladesh and the Indian state of West Bengal. It is the world's largest delta and empties into the Bay of Bengal the combined waters of several river systems, mainly those of the Brahmaputra river and the Ganges river. It is also one of the most fertile regions in the world, thus earning the nickname The Green Delta. The delta stretches from the Hooghly River on the west to
Indus River Delta of wave energy, coupled with lack of silt flowing in from the Indus river (as mentioned above), has resulted in the formation of sand beaches. The Indus river started to form some 50 million years ago. 25 million years ago, the Indus Plain was lifted. Mangrove forests are one of the most abundant ecological communities of the delta, but they have declined over the years. According to Haq "et al.", they covered an area of until the 1980s and could be found along the entire 240 km coastline, in 40% of the tidal zone, and in 10% of the delta