| Event name: | ES-00-013 | |
| Country: | SPAIN | |
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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: 42-186 µg STXeq / 100 g. Meat) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Monitoring programme of the Centro de Control da Calidade do Medio Mariño.) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | MANEIRO, Juan , PAZOS, Yolanda , MOROÑO, Ángeles | |
| Location: | Latitude: 42.275000, Longitude: -8.705000 | |
| General location information: |
Rías Baixas (Inner part of Vigo and Pontevedr, Galicia, NW Spain. HAB Area code(s): ES-08 |
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| Additional location information: | 42º 16.50' - 42º 25.30' N; 08º 42.30' - 08º 47.50' W. The affected area is dedicated to intensive mussel cultivation in rafts and to a high production of other molluscs in natural banks: clams, cockles, oyster and scallops are the main species exploited. | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2000-05-09 Start: 2000-04-24, End: 2000-05-04 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium minutum
(214,020 cells/L)
|
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| Co-Ocurring Species/Genus: |
Chaetoceros perpusillum
(530,700 cells/L)
and others small diatoms |
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| Chlorophyll concentration, if known: | 4.0 µg/L Chlª. µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: |
AMONIUM:
2.66 µmol/L
NITRATE: 2.26 7.0 µmol/L NITRITE: 0.21 µmol/L PHOSPHATE: 0.34 µmol/L SILICATE: 2.74 µmol/L |
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| Temperature Range During Event: | Max: 19 °C, Min: 14 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 35, Min: 30 | |||||||||||||||||||||||||
| Bloom location in the water column: |
Subsurface |
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| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | P3 station of Ria de Pontevedra in 9/5/00. Wind velocity: 22 m/s. | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | ||||||||||||
| Economic losses: | Not evaluated. | |||||||||||
| Management decision: | Harvesting was closed in culture areas when .PSP toxins concentrations was over 80 µg STX eq /100 g wet weight. | |||||||||||
| Additional harmful effect information: | PSP AOAC Official Method, 1995. Irrelevant effects, because the closures caused by this event were brief (two weeks maximum). Closures due to the presence of toxicity in molluscs is usual in the area and resource exploitation strategies allows to face | |||||||||||
