Press Releases
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Red tides sighted Two red tides have been sighted in Hong Kong waters in the past few days, an interdepartmental red tide working group reported today (January 21). A red tide was sighted at Deep Bay on January 13. It dissipated two days later. Staff of the Leisure and Cultural Services Department observed a red tide at Silverstrand Beach on January 19. The red flag was hoisted. The red tide dissipated the next day. "The red tide at Deep Bay was formed by Thalassiosira weissflogii and the one at Silverstrand Beach was formed by Noctiluca scintillans. Both species are common in Hong Kong and non-toxic," a spokesman for the working group said. Red tide is a natural phenomenon. The Agriculture, Fisheries and Conservation Department's proactive phytoplankton monitoring programme will continue monitoring red tide occurrences to minimise the impact on the mariculture industry and the public.
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