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Story - News

Toxic 'red tide' returns to East End bays

Publication: The East Hampton Press
By Michael Wright   Sep 8, 2009 5:22 PM
East End marine scientists say that blooms of a toxic red algae have reappeared in bays across the East End in late summer and may pose a threat to larval fish and shellfish populations.

Dr. Chris Gobler, a marine science professor at Stony Brook University, has been monitoring the so-called “red tide” blooms since they first appeared in East End bays in 2004. The algae blooms were more widespread and more intense last year than ever before, and this year’s blooms appear to be nearly as bad, he said.

“Like, 10 days ago, the water in the Peconics and Shinnecock was perfectly clear, and then, all of a sudden, this bloom just showed up out of nowhere,” Dr. Gobler said. “All through the Peconics, Orient, Sag Harbor, Shinnecock east of the canal.... more

What species of algae is this? The doctor's comments seem to indicate that it is something other than Alexandrium.
By Split Rock (22), Sag Harbor on Sep 9, 09 2:22 PM
It is.....its part of the same group of phytoplankton (dinoflagellates), which are responsible for the majority of red tide events....the name of the organism is Cochlodinium polykrikoides. We have shown in the lab that it kills a variety of shellfish and finfish, some in under 24 hours....
By Florian (1), mastic on Sep 10, 09 10:33 PM
http://botany.si.edu/references/dinoflag/Taxa/Cpolykrikoides.htm

http://plankt.oxfordjournals.org/cgi/content/abstract/26/2/175
By davidf (145), hampton bays on Sep 16, 09 7:50 PM

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