General Information

Event name: US-98-019
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins
Event directly affected:
Aquatic Mammals
Toxicity detected: Yes
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (1991)
Individuals to contact: LANGLOIS, Gregg

Location & Date

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Location: Latitude: , Longitude:
General location information: Monterey Bay and San Luis Obispo in Central C, California.
HAB Area code(s): US-20
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1998-05-12
Start: 1998-04-30,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Pseudo-nitzschia observed April 30; DA detected May 12.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia sp. ( 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: Advected
Growth Comments Advection most likely
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: Quarantine already in effect.
Additional harmful effect information: Domoic acid in anchovy: Marine Mammal strandings
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES