| Event name: | ES-21-020 | |
| 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: 212-604 µg OA eq./kg) | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (annually in spring) | |
| Individuals to contact: | REVIILLA, Marta , SOLAUN, Oihana | |
| Location: | Latitude: 43.356667, Longitude: -2.448056 | |
| General location information: |
Longline Mendexa, Basque Country HAB Area code(s): ES-01 |
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| Additional location information: | open marine waters | |
| Bloom event dates (yyyy/mm/dd): | Start: 2021-03-08, End: 2021-03-18 | |
| Quarantine levels dates (yyyy/mm/dd): | First detection: 2021-03-10, End: 2021-03-29 | |
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dinophysis acuminata
(1540 cells/L)
Max. 2021-03-08, at 10-20 m; from surface to 20 m >1000 cells/L (hose) |
|
| Co-Ocurring Species/Genus: |
Dinophysis caudata
(20 cells/L)
2021-03-08; 10-20 m Dinophysis fortii (20 cells/L) 2021-03-08; 0-10 m |
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| Chlorophyll concentration, if known: | 1.1 (maximum, at 13 m) µg/l | |
| Additional bloom information: | High spatial variability in the abundance of D. acuminata between 2 sampling stations 2 km apart. | |
| 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: |
Surface Subsurface |
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| Growth: | Advected | |||||||||||||||||||||||||
| Growth Comments | It is assumed, as in samples collected 5, 4 and 3 days before the peak, Dinophysis was scarce (20 cells/L or not detected). | |||||||||||||||||||||||||
| Additional Environmental information: | Chl-a and hydrographic data refer to the water column (0-30 m), on 2021-03-08. | |||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | ||||||||||||
| Economic losses: | ||||||||||||
| Management decision: | Closure of the bivalves production zone from 2021-03-10 to 2021-04-15 | |||||||||||
| Additional harmful effect information: | ||||||||||||
