| Event name: | PT-98-015 | |
| 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: 22,6 µg DA/g) | |
| Associated syndrome: | ASP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (The first detected occurrence of Domoic Acid in bivalves over 20 µg/g was in smooth callista (Callista chione) in 1995 at Setubal region, since then, only this year we had got again values over 20 µg/g and only twice.) | |
| Individuals to contact: | SAMPAYO, Mª Antonia , VILARINHO, Mª da Graça | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Minho Estuary., HAB Area code(s): PT-01 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:1998-11-03 Start: 1998-11-03, |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pseudo-nitzschia spp.
(56,190 cells/L)
October 27 Pseudo-nitzschia australis ( cells/L) |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Mainly Pseunonitzschia australis. | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 17 °C, Min: 15 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 35, Min: 32 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
Advected
In situ |
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| Growth Comments | Probably a combination of both. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | ASP toxins were determined by HPLC through Lawrence, 1991 method. | |||||||||||
| Economic losses: | ||||||||||||
| Management decision: | None, as the affected areas and species were already closed due to DSP. | |||||||||||
| Additional harmful effect information: | ||||||||||||
