Event name: | PT-95-009 | |
Country: | PORTUGAL | |
Nature of the harmful event: |
Seafood toxins | |
Event directly affected: |
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Toxicity detected: | Yes | |
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, wtih a break in 1993. This year the most affected areas were Minho estuary, Aveiro Lagoon and Mondego estuary.) | |
Individuals to contact: | SAMPAYO, Mª Antonia , VILARINHO, Mª da Graça |
Location: | Latitude: , Longitude: | |
General location information: |
Mondego estuary., HAB Area code(s): PT-03 |
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Additional location information: | ||
Bloom event dates (yyyy/mm/dd): | Start: 1995-01-01, End: 1995-03-26 | |
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: |
Causative organism known: | Yes | |
Causative Species/Genus: |
Dinophysis sp.
(550 cells/L)
Dinophysis cf. Acuminata. May 22. |
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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 Mytilus edulis and Scrobicularia plana 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: |