| Event name: | CA-99-002 | |
| 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: Low levels of DSP toxins (maximum concentration: 2.5 µg/g DTX1).) | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (P. lima has been found in the Laguna in the water column in the past (DFO monitoring program). This is the first identification of P. mexicanum in the Gulf of St. Lawrence.) | |
| Individuals to contact: | BONNEAU, Esther , LEVASSEUR, Maurice , SAUVÉ, Gilbert | |
| Location: | Latitude: 47.466667, Longitude: -61.799722 | |
| General location information: |
Iles-de-la-Madeleine, Quebec Region HAB Area code(s): CA-23 |
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| Additional location information: | Magdalen Islands | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | July-August 1999. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Prorocentrum mexicanum
( cells/L)
Prorocentrum lima ( cells/L) |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Prorocentrum lima was found in the Laguna of Havre-aux-Maisons and Grande-Entrée in the water column, attached to the organisms growing on the mussels socks and in the gut of the mussels. Prorocentrum mexicanum was also identified for the first time in th | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 22 °C, Min: 18 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 31, Min: 27 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | Low levels of DSP toxins (maximum concentration: 2.5 µg/g DTX1) were measrued in scallops, blue mussels and clams in 1999. | |||||||||||
| Economic losses: | ||||||||||||
| Management decision: | None | |||||||||||
| Additional harmful effect information: | ||||||||||||
