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General Information

Event name: CA-96-003
Country: CANADA
Nature of the harmful event:
 High Phyto concentration
Event directly affected:
Toxicity detected: No
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: LEVASSEUR, Maurice , SAUVÉ, Gilbert

Location & Date

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Location: Latitude: , Longitude:
General location information: St. Lawrence River, Quebec Region
HAB Area code(s): CA-08
Additional location information: Mont-Louis Station. Harmful algae are monitored on a weekly basis at 11 stations in the Gulf of St. Lawrence since 1989 (See Complementary Information)
Bloom event dates (yyyy/mm/dd): Event Date:1996-08-13
Start: 1996-08-13,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (2,480 cells/L)
Highest concentration
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: 1996 was atypical. Between 19 and 21 July, more than 225 mm of rain fell over the Saguenay river area in the Province of Quebec. This unusual weather resulted in the flooding of several towns along the Saguenay River. In the St. Lawrence stuary, the heavy 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:
In situ
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:
Updated at 08:39 on 25 Sep 2013