| Event name: | CA-98-001 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Water Discoloration , Seafood toxins | |
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Event directly affected: |
Humans | |
| Toxicity detected: | Yes | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Clams. | |
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (PSP toxicity has been measured by the mouse bioassay technique on a regular basis since 1961 in the St. Lawrence.) | |
| Individuals to contact: | LEVASSEUR, Maurice , SAUVÉ, Gilbert | |
| Location: | Latitude: , Longitude: | |
| General location information: |
South coast St. Lawrence Estuary, Quebec Region HAB Area code(s): CA-07 |
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| Additional location information: | Along the south shore ca. 50 Km east and west of Ste. Flavie. 100 Km long by 1 Km wide. | |
| Bloom event dates (yyyy/mm/dd): | Start: 1998-07-07, End: 1998-08-10 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium tamarense
(2,000,000 cells/L)
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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: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 14 °C, Min: 12 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 24, Min: 21 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
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| Economic losses: | |||||||
| Management decision: | Most of the coastal zone was closed for shellfish harvesting and the Department of Fisheries and Oceans, in collaboration with the Canadian agency for Food Inspection, sent a warning to the media and advise people that the shellfish may be extremaly toxic | ||||||
| Additional harmful effect information: | |||||||
