Bangladesh

Bangladesh borders the Bay of Bengal in Southeast Asia, and its terrain is primarily flat, alluvial plain. Most of the country is situated on deltas of large rivers flowing from the Himalayas. The majority of land in Bangladesh is used for human activities, primarily by rainfed agriculture. Bangladesh has high biodiversity rarity of terrestrial land vertebrates at a global scale. When analysed as single taxons, the rarity of amphibians and reptiles is also high. The rarity of marine fish and mammals is also high. Challenges to biodiversity include severe flood risk; water pollution, especially in fishing areas, due to commercial pesticides; intermittent water shortages; soil degradation and erosion; deforestation; wetland destruction of wetlands; and overpopulation.