| Event name: | ES-00-012 | |
| Country: | SPAIN | |
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Nature of the harmful event: |
Seafood toxins | |
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Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes (Approximate range: 13.6 - 522 ppm. DA.) | |
| Associated syndrome: | ASP | |
| Unexplained toxicity: | Yes | |
| 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: | Yes | |
| Individuals to contact: | MANEIRO, Juan , PAZOS, Yolanda , MOROÑO, Ángeles | |
| Location: | Latitude: 42.181667, Longitude: -8.685167 | |
| General location information: |
Rías Baixas and Ría de Ares - Betanzos., Galicia, NW Spain. HAB Area code(s): ES-06 ES-07 ES-08 |
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| Additional location information: | 42º 10.90' - 43º 24.55' N; 8º 41.11' - 9º 03.00' 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): | Start: 2000-01-03, End: 2000-12-26 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Pseudo-nitzschia spp.
( cells/L)
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | The scallop production areas in Galicia remained closed to the harvesting due to the fact that this type of shellfish has been affected by ASP toxicity during the whole year. Pseudo-nitzschia blooms detected (see attached reports) doesn´t seem to explain | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
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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 domoic acid concentrations was greater than 20 ppm. | |||||||||||
| Additional harmful effect information: | AOAC Official Method, 1998 991.26, Domoic Acid in Mussels. Liquid Chromatographic Method. Very important socioeconomic effects. | |||||||||||
