Harmful Algal Information System: Event US-08-015

General Information

Event name:	US-08-015
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration
Event directly affected:
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:	Yes (As I understand it there have been localized A. monilatum events throughout the past all along the Texas coast. I do not have specifics on past events.)
Individuals to contact:	Byrd, Meridith

Location:	Latitude: 29.266667, Longitude: -94.727500
General location information:	Galveston, TX, Upper Coast of Texas HAB Area code(s): US-18
Additional location information:	A. monilatum cells were coming ashore at two places, the Texas City Dike and the Sabine Pass Canal. These two sites are approximately 60 miles apart. Nothing was reported anywhere in between the two locations.
Bloom event dates (yyyy/mm/dd):	Start: 2008-07-15, End: 2008-07-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Reported by TPWD by Texas A&M-Galveston on 7/15/08 at the Texas City Dike (Near Galveston). Discolored water reported near the Sabine Pass Canal (Louisiana border) 7/18/08 and confirmed as A. monilatum. Last identified in a water sample taken from the Texas City Dike on 7/28/08. No active monitoring was done.

Causative organism known:	Yes
Causative Species/Genus:	Alexandrium monilatum ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography: