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Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium

Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium
Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium
Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium
Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium
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Kleindinst Thomas, N.
Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium fundyense.
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05/24/2005
graphics/D.Anderson Lab/DSC_1395.tif
Bruce Keafer uses fluorescent microscopy through a microscope to find red tide cells.
Image of The Day caption:
WHOI researcher Kerry Norton uses fluorescence microscopy to identify and count dormant cysts of Alexandrium fundyense, the alga that produces a toxin that accumulates in shellfish and can cause paralytic shellfish poisoning in humans who consume them. In low numbers, the alga poses little danger; but in some years, the species undergoes a regional population explosion and creates a red tide or harmful algal bloom. WHOI scientists have developed a computer model that predicts the likelihood of a summer red tide based on counting the Alexandrium cysts in seafloor sediments the previous fall. This year, the group predicts a moderate red tide season in New England coastal waters.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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