Harmful Algal Information System: Event US-06-006

General Information

Event name:	US-06-006
Country:	UNITED STATES
Nature of the harmful event:	High Phyto concentration
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 (This area frequently sees high concentrations of the species listed in section 3 below)
Individuals to contact:	RABALAIS, Nancy

Location:	Latitude: , Longitude:
General location information:	Barataria Bay, Louisiana, Louisiana HAB Area code(s): US-17
Additional location information:	Tidal estuary with salinity fluctuations
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Species data represent cell concentrations of HAB species from surface samples collected during routine sampling for the period January - December 2006 and were not associated with a particular bloom event. Species are reported at 10^5 cells/liter, with the exception of Prorocentrum spp. which are reported at 10^3 and Anabaena spp. which are reported at 10^6. Cell concentrations were averaged over three stations in the lower estuary to generate an average concentration for each species on a single sample date.

Causative organism known:	Yes
Causative Species/Genus:	Prorocentrum minimum (3.91x10^3 cells/L) 1/11/2006 Prorocentrum scutellum (3.27x10^3 cells/L) 2/16/2006 Scrippsiella spp. (1.31x10^5 cells/L) 2/16/2006 Prorocentrum gracile (1.13x10^3 cells/L) 3/22/2006 Prorocentrum minimum (1.53x10^3 cells/L) 3/22/2006 Prorocentrum scutellum (1.71x10^4 cells/L) 3/22/2006 Prorocentrum minimum (1.33x10^3 cells/L) 5/3/2006 Prorocentrum minimum (1.96x10^3 cells/L) 9/6/2006 Heterocapsa rotundata (1.08x10^5 cells/L) 11/8/2006 Scrippsiella spp. (1.31x10^5 cells/L) 12/14/2006
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography: