General Information

Event name: US-01-022
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 64 g STXeq / 100 g & 658 g STXeq / 100 g)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): None.
Report the outcome of a monitoring programme: Yes (Oregon Dept of Agriculture, Shellfish Sanitation Program.)
Event occurred before in this location: Yes
Individuals to contact: CANNON, Deborah F.

Location & Date

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Location: Latitude: , Longitude:
General location information: Gold Beach., Oregon.
HAB Area code(s): US-22
Additional location information: Pacific NW, USA. The first PSP event was centered on the north coast, but, toxins levels were detectable on the south coast. The second event was located on the extreme south coast, 30 - 60 miles from California.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Date of quarantine levels: 02/07/01-23/07/01. 07/08/01 - 30/10/01. There were two distinct PSP events in 2001. See aditional Harmful effects info.


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: 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: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: There were two distinct Paralytic Shellfish Poisoning (PSP) events in 2001. PSP toxin levels in shellfish were < 40 g /100 g from Jan to May. During the week of May 21, levels in mussels elevated to 40 64 g /100 g on the entire coast. In early June
Updated at 03:40 on 26 Jun 2020