General Information

Event name: US-99-001
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Yearly.)
Individuals to contact: HURST, John W. , BEAN, Laurie L.

Location & Date

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Location: Latitude: , Longitude:
General location information: Kittery, ME - Cape Elizabeth & W. Quoddy Hea, Maine (USA) & Canada.
HAB Area code(s): US-01
Additional location information: 1) Kittery, ME - Cape Elizabeth: Closure for all mussels & carnivorous snails. 2) W. Quoddy Head - Canada: Closure for Mya (mussels permanently closed).
Bloom event dates (yyyy/mm/dd): Start: 1999-05-11, End: 1999-07-08
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense ( 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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
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
Mytilus edulis Saxitoxins Bioassay-Mouse
Mya arenaria, at Lepreau Basin on July 9 Saxitoxins Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Closure to harvesting.
Additional harmful effect information: