General Information

Event name: US-09-010
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Natural Fish , Birds , Shellfish
Toxicity detected: Yes (Approximate range: 7,882 ug stx eq/100g)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Unknown vector responsible for mortality event for 12+ short-nosed Atlantic sturgeaon and 12+ eider ducks in July, 2009
Report the outcome of a monitoring programme: Yes (Maine Department of Marine Resources)
Event occurred before in this location: Yes (PSP outbreaks are a regular occurrence in Maine)
Individuals to contact: COUTURE, Darcie A.

Location & Date

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Location: Latitude: , Longitude:
General location information: Western Maine (New Hampshire border to Penobscot Bay), Gulf of Maine
HAB Area code(s): US-02
Additional location information: At peak of bloom, ~97% of shellfish resource beds were closed due to PSP.
Bloom event dates (yyyy/mm/dd): Start: 2009/05/04, End: 2009/09/29
Quarantine levels dates (yyyy/mm/dd): First detection: 2009/04/28, End: 2009/09/29
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium acatenella ( 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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: