Proliferation of marine plankton that is toxic and often fatal to fish. This natural phenomenon is stimulated by phosphorus and other nutrients that are discharged into waterways by human beings. The colour of the tide can be red, yellow, green or brown. United Nations (1997)
RED TIDE
Meaning of RED TIDE in English
Fishery English glossary. Английский глоссарий рыболовства . 2012