| Event name: | PT-96-004 | |
| 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: Positive to DSP.) | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (Since 1987, the first year of confirmed occurrence, the problem has occurred every year, with a break in 1993. This year the most affected areas were Minho estuary, Aveiro Lagoon , Mondego estuary, Obidos Lagoon and Sagres.) | |
| Individuals to contact: | SAMPAYO, Mª Antonia , VILARINHO, Mª da Graça | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Lima Estuary., HAB Area code(s): PT-01 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 1996-05-21, End: 1996-07-22 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dinophysis sp.
( cells/L)
Dinophysis cf. Acuminata |
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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: 19 °C, Min: 16 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 36, Min: 24 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
Advected
In situ |
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| Growth Comments | Most probably a combination of both. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||||||||||||
| Additional information: | Mostly mussels ( Mytilus edulis ) from these regions presented DSP toxins. DSP toxins were determined both by the mouse bioassay and through HPLC. | ||||||||||||||||
| Economic losses: | |||||||||||||||||
| Management decision: | Harvest of affected species closed during toxication. | ||||||||||||||||
| Additional harmful effect information: | |||||||||||||||||
