There are 147 species of coral in Hạ Long Bay. However, the coral reef coverage has been declined due to wastewater pollution and the rapid development of Drupella snails that eat coral tussues. A wide range of efforts has been done by the Hạ Long Bay Management Board and Quảng Ninh province to revive and project the coral reef.
Examples of these are: a database of coral reef ecosystems serving for conservation, capacity building focusing on management and protection of coral reef ecosystems, regular monitoring and supervision of coral reef conservation, strict handling of violations in fishing and protection of aquatic resources, activities to protect water environment of Hạ Long Bay, ban on fishing in the heritage area since 2019, awareness-raising, etc.
These efforts have resulted in some fruitful results, for example, the number of coral reefs with coverage of more than 60% and branched corals have been increased, says Phạm Đình Huỳnh, Deputy Head of Hạ Long Bay Management Board.
These activities are in line with the development orientation towards eco-tourism of Quảng Ninh province.
Sources & further information: “Efforts to revive and protect coral reef ecosystems in Ha Long Bay” at https://en.vietnamplus.vn, “Hạ Long Bay coral showing signs of recovery” at https://vietnamnews.vn, and “Khôi phục và bảo vệ hệ sinh thái rạn san hô trên vịnh Hạ Long” at http://www.tinmoitruong.vn, accessed on 23 July 2021.