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... nutrients and suspended particles in the water."It is estimated that the 10 biofilters can filter 6,000 cubic metres sea water per day at the Sham Wan fish Culture Zone. "Biofilters can also enhance marine life by providing shelter. Fish and marine life attracted to the biofilters can help consume excess...

... to shallow waters and could pose a threat to public safety," he said. The department will continue to watch for sharks. It has informed Marine Police and the Leisure and Cultural Services Department of the latest sighting. The departments concerned will continue to work closely. "For their own safety...

... on January 11. A red flag was hoisted at the beach until January 12 when the red tide dissipated. A member of the public observed a red tide at Port Shelter (near the Hong Kong University of Science and Technology) on January 12. It dissipated on January 15. No fish kill has been reported in either...

... 16. It dissipated on November 20. The other occurrence at Port Shelter near the Hong Kong University of Science and Technology was reported by an university staff on November 16. The red tide still persists. No fish kill has been reported in the two occurrences. "The red tide at Shing Mun River was...

... decided to re-open it to the public," a spokesman for the Agriculture, Fisheries and Conservation Department (AFCD) said today. But the spokesman warned that people should still be alert. "People should observe good personal hygiene and avoid contact with wild birds and their droppings. They should also...

... Big Wave Bay on December 21. It dissipated on December 23. Staff of the Leisure and Cultural Services Department (LCSD) observed three red tides at Stanley Main Beach Water Sports Centre, Stanley Main Beach and Deep Water Bay Beach on December 22. Red flags were hoisted immediately. The first two...

... Wan to Lung Ha Wan. It dissipated on December 19. The other occurrence at Silverstrand Beach was reported by staff of the Leisure and Cultural Services Department on Wednesday (December 19). A red flag was hoisted at the beach until yesterday (December 20) when the red tide dissipated. No fish kill...

... on February 10. The red tide still persists. A member of the public observed a red tide at Tuen Mun Pier yesterday and it still persists. No associated death of fish was reported in the two occurrences. "Both occurrences were formed by Mesodinium rubrum, which is common in Hong Kong waters and non...

... Mai Po Nature Reserve re-opens tomorrowThursday, February 26, 2009 Mai Po Nature Reserve, which has been closed to the public since February 6, will be re-opened from tomorrow (February 27). After the detection of the H5N1 virus in a dead Grey Heron collected at Mai Po Nature Reserve, it was...

... Main Beach on February 14. Red flags were hoisted at the beaches until February 16 when both red tides dissipated. Separately, Agriculture, Fisheries & Conservation Department (AFCD) staff observed a red tide at Kai Lung Wan Fish Culture Zone (from Kai Lung Wan to Kiu Tsui) on February 14. It...