General Information

Event name: US-02-003
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins , Other ( Alexandrium detected, but not in high numbers.)
Event directly affected:
Shellfish
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (California Marine Biotoxin Monitoring Program.)
Event occurred before in this location: Yes (Limited distribution of toxins compared to peak years. Highest concentrations approximately 50 miles north of San Francisco. Alert levels also detected much farther north in Del Norte County near the Oregon border.)
Individuals to contact: LANGLOIS, Gregg

Location & Date

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Location: Latitude: , Longitude:
General location information: North of San Francisco., California.
HAB Area code(s): US-21
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Detection date: July - August. Final date: August (brief spike at one location in September).

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium spp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: California Department of Health Services' Marine Biotoxin Monitoring Program quarterly reports: July - September 2002 (Technical Report Nos. 02-24 through 02-29).

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
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: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES