General Information

Event name: CA-90-004
Country: CANADA
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Shellfish
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: SMITH, John C.

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: Baughton River
Bloom event dates (yyyy/mm/dd): Start: 1990-09-01, End: 1990-09-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: September

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (10,000 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: Yes Oxygen content (nL/L): Wind velocity:
Temperature (°C): 17.5 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: Max: 30, Min: 29
Bloom location in the water column:
Growth:
Growth Comments Not known.
Additional Environmental information: The water column was weakly stratified.

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: None.
Additional harmful effect information: The sample was positive for DTX-1 according to a phosphatase inhibition assay, but the validity of this technique must still be confirmed.
Updated at 06:52 on 25 Sep 2013
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