Why is Hilsa fish production declining in Bangladesh?
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Hilsa fish production in Bangladesh has been declining due to several factors: water pollution from industrial and agricultural runoff, overfishing including catching juvenile Hilsa (jatka), siltation of rivers reducing water depth, and changes in river flow patterns due to upstream water diversion. The government has implemented seasonal fishing bans during breeding periods to help stocks recover. Awareness campaigns promote sustainable fishing practices. Climate change and altered river salinity also affect Hilsa migration patterns.