General Information

Event name: US-19-014
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 73 ppm)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Dungeness crab
Report the outcome of a monitoring programme: Yes (Oregon Department of Agriculture)
Event occurred before in this location: Yes
Individuals to contact: Manderson, Alex

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Southern Oregon coast,
HAB Area code(s): US-22
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2019-01-01, End: 2019-03-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Dungeness crab Domoic Acid 73 ppm ELISA
Kit used: Type of kit used:
Additional information:
Economic losses: Substantial - product recall, fishery season delayed
Management decision: Recall of crab from affected area, no sales of whole or live crab for two months
Additional harmful effect information:
Created at 03:48 on 8 Apr 2020
Updated at 03:50 on 8 Apr 2020