General Information

Event name: US-17-022
Nature of the harmful event:
Other ( PSP measured in bivalves)
Event directly affected:
Birds , Shellfish , Humans
Toxicity detected: Yes (Approximate range: 575 ug)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Blue mussels
Report the outcome of a monitoring programme: Yes (Aleutian Pribilof Islands Association HABs Monitoring Program)
Event occurred before in this location: Yes
Individuals to contact: Wright, Bruce

Location & Date

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Location: Latitude: 56.600556, Longitude: -169.555833
General location information: St George, Bering Sea
HAB Area code(s): US-27
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-08-04,
Additional date-related information:


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:

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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
blue mussel Saxitoxins dcGTX2 LC
Kit used: No Type of kit used:
Additional information: dcGTX2,3 C1C2 dcSTX GTX2,3 GTX5 STX GTX1,4 NEO 7.0 61.7 0.0 193.6 3.4 59.5 233.9 15.9 575.1
Economic losses: 0
Management decision: Don't eat the mussels
Additional harmful effect information:
Created at 09:58 on 23 Apr 2018