General Information

Event name: US-91-021
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): Cockles.
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: OSTASZ, Michael J.

Location & Date

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Location: Latitude: 56.000000, Longitude: -161.000000
General location information: Nelson Lagoon., Alaska.
HAB Area code(s): US-26
Additional location information: 20 miles long, 20 miles west of Port Moller, on Alaska Peninsula.
Bloom event dates (yyyy/mm/dd): Event Date:1991-06-13
Start: 1991-06-13,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus:
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 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: Awaiting PSP results if test can be performed.
Economic losses:
Management decision: Sample of product attempted to be analyzed for PSP. Problems with congealing solution.
Additional harmful effect information: One individual ate cockles and soon felt tingling in face and lips. Product had been fryed.