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General Information

Event name: US-10-009
Country: UNITED STATES
Nature of the harmful event:
 Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
 Shellfish
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: Byrd, Meridith

Location & Date

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Location: Latitude: , Longitude:
General location information: Texas coast (Galveston Bay to Copano Bay), Texas
HAB Area code(s): US-18
Additional location information: D. ovum cells in varying concentrations from Galveston Bay to Corpus Christi Bay. Aransas Bay had the highest concentrations of both D. ovum & OA. Cells detected offshore & inshore; offshore bloom stretched to Brazos-Santiago Pass near the Mexico border.
Bloom event dates (yyyy/mm/dd): Event Date:2010-04-22
Start: 2010-03-10, End: 2010-05-14
Quarantine levels dates (yyyy/mm/dd): First detection: 2010-04-22, End: 2010-05-14
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis ovum Schütt sensu Martin 1929 (4800 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Lisa Campbell is publishing a paper on the event in the Journal of Phycology. Kathleen Swanson's paper, The 2008 Texas Dinophysis ovum Bloom: Distribution and Toxicity, is being published in Harmful Algae

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Updated at 05:29 on 15 Apr 2015
Checked at 05:30 on 15 Apr 2015
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES