Event name: | PT-98-015 | |
Country: | PORTUGAL | |
Nature of the harmful event: |
Seafood toxins | |
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: |