[Coral-List] Black Band Disease
dquirolo at gmail.com
Mon Mar 29 18:56:33 EDT 2010
The leading edge of Blackband disease is high in phosphorus, which is why
Reef Relief worked to get a strong phosphate ban for detergents in the
Florida Keys years ago after observing the spread of blackband and studying
its causes. Best, DeeVon
On Mon, Mar 29, 2010 at 9:03 AM, MelissaE Keyes <melissae.keyes at yahoo.com>wrote:
> Hello, Listers,
> Dr. Shinn comented, "Black band disease also killed Montastrea species
> throughout the Caribbean. Its exact cause (i.e. the source of the pathogens)
> has never been identified, especially around uninhabited islands in the
> eastern Caribbean where sewage can not be blamed."
> I am wondering if the source could be African rivers. Fresh water floats
> on salt water, and there is an eastward flowing Atlantic ocean current, and
> surface winds coming straight from Africa to the Caribbean. Sahara dust
> makes the 6,500k trip, why not water borne pathogens?
> Gorgonia, sea fans, are suffering land diseases from runoff.. Perhaps a
> forty-odd day trip from the African coast isn't too great a time and
> distance for the survival of black band disease spoor.
> Also, there's runoff from the Orinoco river. When conditions are mild, and
> the Orinoco's turbid fresh water plume reaches eastward of its' usual path
> northward between Hispaniola and Puerto Rico, the water here in the Virgins
> becomes so green that a diver's own fins can barely be seen, i.e. water
> clarity drops tenfold. I have seen this happen twice since 1988.mel
> Melissa E. Keyes
> Melissa E. Keyes
> St. Croix,
> U.S.Virgin Islands
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