General Information

Event name: CA-88-003
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: ASP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (First recorded as a genuine phycotoxin problem in November 1987 in the same area, although much more restricted in space)
Individuals to contact: WORMS, Jean

Location & Date

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Location: Latitude: , Longitude:
General location information: Eastern Prince Edward Island, Gulf Region
HAB Area code(s): CA-24
Additional location information: Eastern coast of Prince Edward Island including - Murray River - Brudenell River - Montague River - Cardigan River - St Mary's Bay
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Started beginning of November 1988


Causative organism known: No
Causative Species/Genus: Nitzschia pungens f. multiseries (1200000 cells/L)
determined by water pumped through 20 m Nytex and preserved in lugol
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Worms et al 1991

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 8 - -1.3 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 28 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments bloom likely developed from a resident population of Nitzschia although the possibility of advection of cells from the outside of the bays has not yet been eliminated
Additional Environmental information: Water Column: mixed

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Midulus edulis Domoic Acid 280ug/g LC-FD
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: All affected areas closed to harvesting of shellfish.
Additional harmful effect information:
Updated at 08:48 on 26 Sep 2018