[Coral-List] Sargassum fluitans proliferation in the Lesser Antilles
ceo at lindorm.com
Wed Aug 10 13:51:41 EDT 2011
Forgive my ignorance, but has the Sargassum Sea got some relevance
for this? (I.e., the center of the North Atlantic ocean gyre, which
normally acts as a "sink" of floating debris; if this matter has got
out of the gyre then what would that mean for the oceanic
circulation? A disturbance?)
On 2011-08-10, at 13:40, Frank Muller-Karger wrote:
> Alan -
> the Orinoco or the rivers are not the source of Sargassum;
> Sargassum, when attached to the benthos, gorws in large beds in
> generally quite clear water. A lot of it grows in the Caribbean,
> along the FL keys, etc.
> ______________ FMK ______________
> Frank Muller-Karger
> Institute for Marine Remote Sensing (IMaRS)
> College of Marine Science
> University of South Florida
> 140 7th Ave. South
> St Petersburg, FL 33701
> (727) 553-3335 Office
> (727) 553-1186 Lab.
> (727) 553-1103 FAX
> << carib at marine.usf.edu >>
> << http://imars.marine.usf.edu>>
> On Wed, 10 Aug 2011, Alan.e.strong wrote:
>> Isn't this likely to have its origin from the Orinoco River's outflow
>> into the area from Venezuela??
>> On 8/9/2011 12:30 PM, OMMM Association wrote:
>>> Dear all
>>> Since May, 2011, a huge amount of pelagic sargassum piles up
>>> along the
>>> coast of Martinique and Guadeloupe in the Lesser Antilles, and might
>>> affect probably all the islands in the area.
>>> Tons of algae enter the bays and cover the beaches. This
>>> accumulation of
>>> floating sargassum can also extends at the surface of the water
>>> for tens
>>> of meters in semi closed area, causing environmental problems to
>>> coastal communities.
>>> We have not seen any comments since this began in May. The algae
>>> accumulates and cause management problems for local authorities.
>>> This is
>>> also the marine turtles' nesting period, what has an incidence on
>>> decision to remove the algae accumulated on the beaches. Those algae
>>> decomposed and toxic gaz might be produced, as H2S, which is
>>> quite low
>>> from the measures that have been done at the moment (0-3 ppm).
>>> Is there any information we could share on the origin of this
>>> proliferation of pelagic sargassum in the area?
>>> Who else in the Lesser Antilles or elsewhere face the same problem?
>>> We do airplane survey and fly over the coastal area to detect
>>> piles of
>>> sargassum away offshore looking at possible trajectories.
>>> We are interested in any satellite images that could detect those
>>> Jean-Philippe Maréchal
>>> Dr Jean-Philippe Maréchal, DSci
>>> Observatoire du Milieu Marin Martiniquais
>>> 3 avenue Condorcet
>>> 97200 Fort de France
>>> Tel : +33 (5) 96 39 42 16
>>> GDRI "Coral Reef Biodiversity" - CNRS
>>> Associate Director
>>> Coral-List mailing list
>>> Coral-List at coral.aoml.noaa.gov
>> ****<>< *******<>< *******<>< *******<>< *******
>> Alan E. Strong, Ph.D.
>> NOAA Coral Reef Watch, Consultant
>> Strong Research, Inc.& IMSG
>> National Oceanic and Atmospheric Administration
>> NOAA Coral Reef Watch Program
>> e-mail: Alan.E.Strong at noaa.gov
>> url: coralreefwatch.noaa.gov
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