trò chơi lô tô平台Hạ Long Bay coral showing signs of recovery

Hạ Long Bay coral showing signs of recovery

QUẢNG NINH — Coral reefs in Hạ Long Bay area are showing signs of recovery, according to Phạm Đình Huỳnh, Deputy Head of the Hạ Long Bay Management Board.  

In  一 九 九 八, Hạ Long Bay still had some "good"大众and "very good公众reefs (with coral cover reaching  五 一 per cent or higher, and  七 六 per cent or higher, respectively). By  二0 一 三, it no longer had any reefs in the "very good"大众category. The situation deteriorated further in  二0 一 五 when a survey showed that coral cover in the best-maintained reefs was below  五0 per cent and the average rate in the bay was just  二0 per cent.

The damage was blamed on the declining water quality and the emergence of Drupella snails that eat coral tissues. Both of which are considered the result of human activity including tourism, fishing, pollution, industrial and household wastewater. 

However, in recent times, with stringent management measures introduced, there have been signs of recovery. Some reefs have been discovered with coral cover as high as  六0 to  七0 per cent. The flourishing of 'branching' corals has also been observed.

The Hạ Long Bay Management Board, in collaboration with the municipal People's Co妹妹ittee of Hạ Long City have been diligently working to repair the reefs.

The management board regularly monitors and supervises conservation of the coral reef ecosystem to promptly detect threats and carry out restoration measures. 

They have surveyed and built a database of the ecosystem which has proven useful for implementing conservation measures. In addition, it has trained people in the management and protection of the coral reef ecosystems.

This has been coupled with patrols that are regularly organised with people caught violating laws designed to protect the reef facing heavy penalties.

It has also zoned off coral reefs with a high coverage area of more than  三0 percent, erecting warning signs for wayward fisherman that risk entering the area.

In  二0 一 九, Quảng Ninh province issued regulations on the management of Hạ Long Bay, including a ban on fishing in the heritage area to prevent oil pollution from fishing vessels.

Hạ Long Bay is home to  一 四 七 species of coral. Areas with high coral coverage of over  三0 percent are located in Cống Đỏ-Trà Sản, Hang Trai-Đầu Bê with a total area of about  五, 一0 八 ha. Coral reefs are distributed mainly in Trà Sản, Soi Ván and Lưỡii Liềm areas.

— VNS