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General Information

Event name: US-17-018
Country: UNITED STATES
Nature of the harmful event:
 Seafood toxins
Event directly affected:
 Shellfish
Toxicity detected: Yes
Associated syndrome: ASP , PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Dungeness crab, razor clams, California mussels
Report the outcome of a monitoring programme: Yes (Oregon Department of Agriculture biotoxin monitoring program.)
Event occurred before in this location: Yes (The south coast of Oregon has experince ASP toxicity in razor lams constantly since 2014.)
Individuals to contact: Manderson, Alex

Location & Date

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Location: Latitude: , Longitude:
General location information: ,
HAB Area code(s): US-22
Additional location information: Multiple areas involving both PSP and ASP. Pretty much entire state closed for rec harvest of razor clams for most of 2017. Levels peaked in April on the South Jetty of Columbia river at 120 ppm. Secondary bloom from the south? peaked in December at Gold
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: ~half Oregon coast closed for ASP

Microalgae

Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia 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:
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:
Created at 09:27 on 23 Apr 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES