red tide

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red tide

n.
A bloom of plankton, especially dinoflagellates, that causes a usually reddish discoloration of coastal ocean waters. Certain dinoflagellates produce toxins that contaminate shellfish, making them unsafe to eat, and can kill fish.

red tide

n
(Environmental Science) a discoloration of sea water caused by an explosive growth in phytoplankton density: sometimes toxic to fish life and, through accumulation in shellfish, to humans

red′ tide′


n.
a brownish red discoloration of marine waters caused by a huge aggregation of flagellates, esp. dinoflagellates, that often produce a potent neurotoxin that contaminates shellfish.
[1900–05]

red tide

A population explosion of certain species of dinoflagellates, a kind of protozoan found in plankton. The dinoflagellates color the water red or reddish-brown, and secrete a toxin that kills fish. Red tide usually occurs in warm coastal waters.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.red tide - seawater that is discolored by large numbers of certain dinoflagellates that produce saxitoxin
brine, saltwater, seawater - water containing salts; "the water in the ocean is all saltwater"
References in classic literature ?
The red tide now poured from all sides of the monster like brooks down a hill.
Changes in public health messages related to beach-going during Florida red tides.
The red tides have caused some membrane desalination plants to temporarily shut down&Historically red tides are an infrequent problem and plants have been able to manage around them but the last year has seen an exceptional frequency and severity of red tide events.
Today, following a three-year scarcity of red tides, the seatrout seem to have recovered.
Five years ago, in response to a rising incidence of red tides, the National Institute of Environmental Health Sciences began sponsoring research into how K.
Red tides, which can kill fish by consuming oxygen in water, consist of densely packed microscopic organisms which breed on the surface of salt water.
In Japan's Seto Inland Sea, the number of red tides increased from 40 in 1965 to more than 300 in 1973.
Summary: The operation of water desalination plants in Kalba has been stopped due to red tides.
No, do not eat shellfish during red tide; in fact, during red tides, it is forbidden to harvest bivalve mollusks.
Key words: brevetoxins, harmful algal blooms (HABs), Karenia brevis, red tides, sensitive populations.
Then he received a grant to study the fish-killing Heterosigma algae around aquaculture pens, and suddenly, the red tides were nowhere to be found.
Summary: UMM AL QUWAIN u Fishermen are banned from fishing in the East coast of the country until red tides disappear completely even as the Ministry of Environment and Water explores new methods of increasing productivity, a top official from the Ministry of Environment and Water told Khaleej Times.