| Event name: | CA-88-001 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Seafood toxins | |
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Event directly affected: |
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| Toxicity detected: | Yes (Approximate range: 530 µgr / 100 g STX eq) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (Annually) | |
| Individuals to contact: | MARTIN, Jennifer | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Southwestern Bay of Fundy, Scotia Fundy Region HAB Area code(s): CA-22 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 1988-05-27, | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | June through September. Highest shellfish toxicity levels of 530 µgr / 100 g STX eq. reached at Crow Harbour on July 25. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Gonyaulax excavata (Braarud) Balech 1971
(160 cells/L)
First occurence on May 27. Gonyaulax excavata (Braarud) Balech 1971 (8.0 x 10(3) cells/L) July 12. Maximum concentration of cells observed. |
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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: 12 °C, Min: 10 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 32, Min: 31 | |||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: | Advected | |||||||||||||||||||||||||
| Growth Comments | Advected populations from well mixed offshore populations of Gonyaulax excavata | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | Harversting of shellfish prohibited at toxin levels greater than 80 µg/100 g STX eq. | ||||||
| Additional harmful effect information: | Marine organism (mussels, softshell clam, scallops) accumulating the PSP toxins. No water discoloration observed. No human illnesses reported. | ||||||
