Harmful Algal Information System: Event US-10-004

General Information

Event name:	US-10-004
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:
Individuals to contact:	RABALAIS, Nancy

Location:	Latitude: 29.183056, Longitude: -91.616667
General location information:	cross-shelf transect W of the mouth of the Atchafalaya River, Gulf of Mexico, Lousiana HAB Area code(s): US-17
Additional location information:	Reddish/brown water observed on 8/23/10 during routine monitoring cruise. Water discoloration seemed to extend under the surface. Coverage or extent of bloom unknown in west-east direction, but was not observed again in the S-N direction of the transect.
Bloom event dates (yyyy/mm/dd):	Event Date:2010-08-23 Start: 2010-08-23,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	20.3 µg/l
Additional bloom information:	Chlorophyll might not have been measured with the actual bloom, as the bloom was patchy and environmental parameters were measured with a CTD
Event-related bibliography: