General Information

Event name: US-16-034
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Planktonic life , Shellfish
Toxicity detected: Yes (Approximate range: 0.1 - 128.6 g/g)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Maine Department of Marine Resources Bureau of Public Health Marine Biotoxin Program)
Event occurred before in this location: Yes (Low levels of Demoic Acid had been detected in the past, though toxicicity of this scale had never before recorded.)
Individuals to contact: KANWIT, Kohl

Location & Date

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Location: Latitude: , Longitude:
General location information: Gulf of Maine, ME
HAB Area code(s): US-01
Additional location information: Shellfish toxicity was measured throughout ICES region 1, from Penobscot Bay to the US/Canada border. Utilizing stored Mytilus homogenates, toxcicity was found from 9/4/16 to 10/23/16.
Bloom event dates (yyyy/mm/dd): Start: 2016-09-04, End: 2016-10-31
Quarantine levels dates (yyyy/mm/dd): First detection: 2016-10-28, End: 2016-10-31
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Pseudo-nitzschia spp. (205875 cells/L)
Jonesport, ME
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: 20 °C, Min: 9 °C
Salinity Range During Event: Max: 37, Min: 22
Bloom location in the water column:
Growth Comments
Additional Environmental information: Max/min temperatures and salinities are from the date range 9/5/16-10/24/16.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Domoic Acid 128.6 g/g Other
Kit used: No Type of kit used:
Additional information: High Performance Liquid Chromatography with ultraviolet absorption was used to measure shellfish toxicity
Economic losses:
Management decision:
Additional harmful effect information:
Created at 06:50 on 23 Mar 2017