amp ▁forest ▁and ▁many ▁other ▁anth rop ogen ic ▁and ▁natural ▁causes . ▁Lar ge ▁scale ▁habitat ▁conversion , ▁uns ust ain able ▁har vest ing ▁policies ▁and ▁lack ▁of ▁e colog ical ▁consider ations ▁have ▁led ▁to ▁the ▁destruction ▁of ▁valuable ▁wet land ▁habitat ▁for ▁water ▁birds ▁and ▁other ▁associated ▁b iod iversity . ▁Im mediate ▁action ▁is ▁required ▁for ▁rest oring ▁these ▁habit ats ▁and ▁conser ving ▁the ▁water ▁birds ▁in ▁Bang l adesh . ▁▁ ▁The ▁Key ▁bre eding ▁and ▁st aging ▁areas ▁of ▁Bang l adesh ▁are : ▁Ha or ▁areas ▁such ▁as ▁the ▁Meg h na ▁est u ary , ▁T angu ar ▁ha or ▁and ▁H ail - H ak al uki ▁ha ors , ▁Chal an ▁Be el , ▁the ▁Sund ar b ans ▁and ▁other ▁coast al ▁mang ro ves ▁including ▁Hat ia ▁and ▁N ij hum ▁D we ep , ▁ha or ▁areas ▁of ▁the ▁north ▁west ▁and ▁off ▁shore ▁Islands . ▁ ▁The ▁Sund ar b ans ▁mang ro ve ▁forest ▁of ▁Bang l adesh ▁are ▁included ▁within ▁ ▁of ▁ 3 ▁Wild life ▁san ctu aries ▁which ▁are ▁part ▁of ▁the ▁S under b ans ▁World ▁Heritage ▁Site . ▁The ▁Ministry ▁of ▁Environment ▁and ▁For ests ▁( Mo EF ) ▁through ▁its ▁Department ▁of ▁Environment ▁and ▁Forest ▁Department ▁‘ W ild life ▁ ▁Management ▁and ▁Nature ▁Conserv ation ▁Circle ’ ▁is ▁the ▁main ▁institution al ▁structure ▁for ▁wild life ▁conservation ▁including ▁water bird s ▁and ▁their ▁habit ats . ▁The ▁Ministry ▁of