Lower Gangetic Plains moist deciduous forests
…The Sundarbans freshwater swamp forests and Sundarbans mangroves ecoregions lie in the swampy, semi-brackish and brackish southern reaches of the Ganges-Brahmaputra Delta bordering the Bay of Bengal. The ecoregion is home to several large cities, including Kolkata, Dhaka, Patna, and Chittagong…