Red tides sighted
Friday, December 9, 2005
Two red tides have been sighted in Hong Kong waters in the past few days, an inter-departmental red tide working group reported today (December 9).
The red tide at Cyberport reported by staff of the Marine Department on December 2 dissipated the following day.
Another occurrence at Sha Tau Kok Hoi near Luk Keng, which also dissipated the following day, was reported on December 6 by staff of the Environmental Protection Department.
"The red tide at Cyberport was formed by Mesodinium rubrum, which is common in Hong Kong waters. The other one at Sha Tau Kok Hoi was formed by Phaeocystis globosa. Red tide formed by this species is seldom seen in local waters. Both species are non-toxic," a spokesman for the working group said.
The Agriculture, Fisheries and Conservation Department (AFCD) has urged mariculturists at Sha Tau Kok Fish Culture Zone to monitor the situation closely.
Red tide is a natural phenomenon. The AFCD'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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