By
Associated Press
.
Published: Tue, October 30, 2007 - 7:44 pm
Last Updated: Thu, November 15, 2007 - 10:03 am
WASHINGTON (AP) - Scientists say changing wind patterns andnutrient movement help spur harmful red tides along the Florida
coast.
Harmful algal blooms occur from time to time in most coastal
areas. Florida's red tide blooms are caused by an organism called
Karenia.
Researchers at the National Oceanic and Atmospheric
Administration have been seeking ways to better forecast when they
will appear. They say harmful red tide blooms along Florida's west
coast in the fall are spurred when seasonal changes in wind
patterns move nutrients east from the Mississippi River.
Scientists are experimenting with an underwater mechanism to
detect the blooms before they come to the surface.
NOAA reports that harmful algal blooms have a direct economic
impact estimated to average 75 million dollars annually. That
includes public health costs, commercial fishing closures,
recreation and tourism losses and in management and monitoring
costs.
(Copyright 2007 by The Associated Press. All Rights Reserved.)
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