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General Information

Event name: US-90-017
Country: UNITED STATES
Nature of the harmful event:
 Seafood toxins
Event directly affected:
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (1979, 1989.)
Individuals to contact: ROSS, Maria R.

Location & Date

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Location: Latitude: , Longitude:
General location information: San Luis Obispo County., California.
HAB Area code(s): US-20
Additional location information: Moonstone Beach Cambria.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Beginning of January.

Microalgae

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

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:
In situ
Growth Comments Most probably this was an in situ growth population from the late 1989 bloom.
Additional Environmental information: No data available.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Wild sea mussel Saxitoxins 82 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Emergency mussel quarantine from December 1989 was still in effect. It was lifted on February 13, 1990.
Additional harmful effect information: Measurable but below alert levels were recorded during January throughout the coastal areas of the county.
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES