Coastal and marine environment

•The Bay of Bengal of Bangladesh is a semi-enclosed tropical basin which is attached to the Indian Ocean.

•Bangladesh  has the continental shelf of up to 50m depth with an area of 37,000km2. The Exclusive Economic Zone(EEZ) of  Bangladesh lies from baseline to 200 nautical miles seawards.

•It covers 66,000 km² coastal waters are very shallow (< 10 m depth)about 24,000 km²and (up to <2oom) cover about 70,000 km².