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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to ...
Large nearshore fish fatalities are caused by red-tide blooms. [22] Shorebirds can also get infected with brevetoxins by consuming fish. [23] Thus, red-tide blooms can have major level effects impacting the whole ecosystem. Additionally infected fish and shellfish pose a threat to the fishing industry and economy. [20] [22]
These two strains are found to have similar niches in coastal areas. A surplus of Dinoflagellates in the night time creates a blue-green glow, however, in the day, it presents as a red brown color which names algal blooms, Red Tides. Dinoflagellates have been reported to be the cause of seafood poisoning from the neurotoxins. [41]
Beachgoers could soon be seeing red off the Florida coast. A microscopic algae is growing out of control in the Gulf Coast. Although it can be toxic to marine life, some scientists are unsure if ...
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The ongoing toxic algae bloom is considered to be the longest red tide outbreak for the Gulf of Mexico in over a decade, and officials say it will most likely last until 2019.
Red represents a higher value (e.g. of temperature or the partial pressure of a gas) than blue so the property being transported in the channels flows from red to blue. In fish a countercurrent flow (lower diagram) of blood and water in the gills is used to extract oxygen from the environment. [6] [7] [8] All basal vertebrates breathe with gills.
It is among the group of Alexandrium species that produce toxins that cause paralytic shellfish poisoning, and is a cause of red tide. [2] Alexandrium catenella is observed in cold, coastal waters, generally at temperate latitudes. [3] These organisms have been found in the west coast of North America, Japan, Australia, and parts of South Africa.