Dramatic Images of Shenzhen Red Tide

The Shanghaiist (Nov 26, 2014) reports that on Monday (24/11/2014), guests at the Dameisha Sheraton Resort in Shenzhen were witness to a red tide, as the sea water at the nearby beach turned a deep pink color, stretching for hundreds of meters. Dameisha is located in Mirs Bay just a few kilometres to the northeast of Hong Kong
According to the Shenzhen Marine Environment and Resources Monitoring Center, the red tide in this instance resulted from a non-toxic, algal bloom. However, despite center’s insistence that the bizarrely coloured water is harmless, a restriction on swimming and direct contact with the water has been advised.
This is not the first, and probably not the last, case of strangely colored water appearing in China.

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The red tide cause was identified as the non-toxic plankton species Karenia brevis (according to this article). Aerial photographs printed by the daily mail show the extent of the bloom. Only two problems: 1) Karenia brevis is native to the Gulf of Mexico, 2) it is toxic. In fact HK AFCD does not even list this species in its red tide database, which would be odd since it has been monitoring red tides in Hong Kong waters for over 20 years…
So once again a tabloid (the UK’s Daily Mail) has not done its research properly.

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