General Information

Event name: US-21-005
Country: UNITED STATES
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish , Humans
Toxicity detected: Yes (Approximate range: 8.4 ppm)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Maine BMR Marine Biotoxins)
Event occurred before in this location: Yes
Individuals to contact: Kathleen Brown

Location & Date

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Location: Latitude: , Longitude:
General location information: ,
HAB Area code(s): US-01
Additional location information: The bloom spanned from regions 1-3.
Bloom event dates (yyyy/mm/dd): Start: 2021-06-01, End: 2021-12-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

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
Surf Clams Domoic Acid LC
Mytuilus edulis Domoic Acid LC
Mya arenaria Domoic Acid LC
Quahogs Domoic Acid LC
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 09:31 on 28 Jun 2022
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES