Red tide sightings report
Friday, June 7, 2002
An inter-departmental red tide working group reported today (June 7) two red tide sightings within Hong Kong waters to keep the public informed of the latest monitoring situation.
A spokesman for the working group said a red tide was observed on June 1 by staff of the Marine Department in waters off Tuen Mun to the eastern part of Lantau Island.
The red tide was also observed by staff of the Leisure and Cultural Services Department on the same day at five beaches in Tuen Mun district, including Butterfly Beach, Kadoorie Beach, Cafeteria Old Beach, Cafeteria New Beach and Golden Beach. Red flags were hoisted immediately at these beaches.
The red tide was formed by Gyrodinium instriatum. The species is relatively rare in Hong Kong waters and was non-toxic. The red tide still persisted today.
The Agriculture, Fisheries and Conservation Department (AFCD) had reminded mariculturists of Ma Wan and Cheung Sha Wan fish culture zones on the occurrence of red tide in nearby waters and the possibility of oxygen depletion in the water. No associated fish kill was reported.
The spokesman said red tide was a natural phenomenon. AFCD's pro-active and comprehensive phytoplankton monitoring programme would continue monitoring red tide occurrence to minimise its impact on the mariculture industry.
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