| Event name: | PT-01-003 | |
| Country: | PORTUGAL | |
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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: 5,239 mg OAeq./Kg) | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Mollusc bivalves, mainly Mitylus edulis, but other species were affected for shorter periodes. | |
| Report the outcome of a monitoring programme: | Yes (Monitoring programme.) | |
| Event occurred before in this location: | Yes | |
| Individuals to contact: | SAMPAYO, Mª Antonia | |
| Location: | Latitude: 40.833333, Longitude: -9.200000 | |
| General location information: |
Aveiro., HAB Area code(s): PT-02 |
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| Additional location information: | Longitude from: 9º 12' -- 8º 50' W. Coastal and estuarine (River Mondêgo). | |
| Bloom event dates (yyyy/mm/dd): | Start: 2001-06-11, End: 2001-11-12 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Only Mytilus edulis were affected all the time. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dinophysis sp.
(17,890 cells/L)
Dinophysis cf. Acuminata. On the 1st July. Dinophysis acuta ( cells/L) Dinophysis fortii ( cells/L) |
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| Co-Ocurring Species/Genus: |
Ceratium fusus
(140,000 cells/L)
And several other species inclunding diatoms, with a total nº 800,000 cells/L |
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 22 °C, Min: 17 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 37, Min: 31 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | Assay type: Mice bioassay and LC-MS. Yasumoto method for bioassay; Lee et al. (1987) for LC-MS. | |||||||||||
| Economic losses: | ||||||||||||
| Management decision: | Close the area by species to catch whenever positive results were obtained on the bioassay or LC-MS gave results above 0.16 mg OK equiv./Kg. | |||||||||||
| Additional harmful effect information: | ||||||||||||
