| Event name: | ES-00-022 | |
| Country: | SPAIN | |
|
Nature of the harmful event: |
Seafood toxins | |
|
Event directly affected: |
Shellfish | |
| Toxicity detected: | Yes | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | Yes (Low cell concentration of the producing species.) | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Monitoring Programme of Centre d'Aqüicultura-IRTA.) | |
| Event occurred before in this location: | Yes (This is the third closing of the of the bay for DSP toxicity (the first one occurred on January 1998, the second on January 2000).) | |
| Individuals to contact: | DELGADO, Maximino | |
| Location: | Latitude: 40.620000, Longitude: | |
| General location information: |
Alfacs Bay., Catalonia, NE Spain. HAB Area code(s): ES-21 |
|
| Additional location information: | The affected area is dedicated to intensive mussel cultivation in rafts and to explotation of other natural shellfish (i.e. Clams). | |
| Bloom event dates (yyyy/mm/dd): | Start: 2000-03-20, End: 2000-04-03 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dinophysis sacculus
(140 cells/L)
??? Very low cell concentrations. |
|
| Co-Ocurring Species/Genus: |
Gyrodinium corsicum
(500,000 cells/L)
Toxic to fauna |
|
| Chlorophyll concentration, if known: | 0.7-3.9 µg/L Chlª. µg/l | |
| Additional bloom information: | Possibility of interference of Gyrodinium corsicum (toxic to fauna, co-occurring species) in the method (mouse bioassay). | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 15 °C, Min: 15 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 36, Min: 36 | |||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | It is not clear the origin of the toxicity. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | Mouse Bioassay PNT T-003. | |||||||||||
| Economic losses: | It is not possible to evaluate due to the fact that there was a closing, without losses of the product. | |||||||||||
| Management decision: | Closening of the bay for extraction and marketing of shellfish between 23 March and 4 April. | |||||||||||
| Additional harmful effect information: | Possibility of interference of Gyrodinium corsicum (toxic to fauna, co-occurring species) in the method (mouse bioassay). | |||||||||||
