| Event name: | CA-09-033 | |
| Country: | CANADA | |
|
Nature of the harmful event: |
High Phyto concentration , Seafood toxins | |
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Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes (Approximate range: 80ugSTXeq/100g-420ugSTXeq/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 toxin events are a recurrent phenomenon in the Estuary and Gulf of St. Lawrence) | |
| Individuals to contact: | SAUVÉ, Gilbert , STARR, Michel | |
| Location: | Latitude: 48.663611, Longitude: -68.076667 | |
| General location information: |
South coast St. Lawrence Estuary, Quebec Region HAB Area code(s): CA-07 |
|
| Additional location information: | Q-7; 200km vicinity of Mont-Joli; Natural mussel harvesting area and HAMP station at MLI | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2009-08-05 Start: 2009-07-08, End: 2009-08-13 |
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| Quarantine levels dates (yyyy/mm/dd): | First detection: 2009-07-08, End: 2009-08-12 | |
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium tamarense
(94680 cells/L)
2009-08-04 |
|
| Co-Ocurring Species/Genus: |
Alexandrium ostenfeldii
(960 cells/L)
2009-08-04 |
|
| Chlorophyll concentration, if known: | 8.60ug/l date chosen in function of the maximum of A. tamarense cells/l µg/l | |
| Additional bloom information: | ||
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| Nutrient information: |
NITRATE:
Min. 0.45 Max. 11.60
PHOSPHATE: Min. 0.11 Max. 0.81 SILICATE: Min. 2.51 Max. 14.35 |
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| Temperature Range During Event: | Max: 16 °C, Min: 9.5 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 27.3, Min: 20.9 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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