Event name: | CA-05-042 | |
Country: | CANADA | |
Nature of the harmful event: |
High Phyto concentration , Seafood toxins | |
Event directly affected: |
Shellfish | |
Toxicity detected: | Yes (Approximate range: 86-459ug/100g) | |
Associated syndrome: | PSP | |
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | ||
Report the outcome of a monitoring programme: | Yes (Monitoring Program of Toxic and Harmful Algae) | |
Event occurred before in this location: | Yes (PSP toxins recurrently accumulate year after year in the Estuary and Gulf of St. Lawrence) | |
Individuals to contact: | BONNEAU, Esther , SAUVÉ, Gilbert , STARR, Michel |
Location: | Latitude: 48.183056, Longitude: | |
General location information: |
Lower St. Lawrence Estuary, Quebec Region HAB Area code(s): CA-06 |
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Additional location information: | Q-1; 100 km vicinity of Tadoussac; natural mussel harvesting area | |
Bloom event dates (yyyy/mm/dd): |
Event Date:2005-08-28 Start: 2005-06-19, End: 2005-09-10 |
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Quarantine levels dates (yyyy/mm/dd): | First detection: 2005-06-19, End: 2005-10-15 | |
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Alexandrium tamarense
(1440 cells/L)
2005-08-28 |
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: |
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Nutrient information: |
NITRATE:
Min. 2.0 Max. 12.7
PHOSPHATE: Min. 0.3 Max. 1.2 SILICATE: Min. 6.3 Max. 23.6 |
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Temperature Range During Event: | Max: 9 °C, Min: 3 °C | |||||||||||||||||||||||||
Salinity Range During Event: | Max: 30.2, Min: 19.4 | |||||||||||||||||||||||||
Bloom location in the water column: |
Surface |
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Growth: |
In situ |
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Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: |
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Kit used: | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | |||||||
Management decision: | |||||||
Additional harmful effect information: | found in Mytilus edulis |