| Event name: | ES-21-025 | |
| Country: | SPAIN | |
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Nature of the harmful event: |
Other ( complaints (skin problems) by beach users coinciding with a Ostreopsis spp. bloom) | |
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Event directly affected: |
Humans | |
| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (fewer people previously affected) | |
| Individuals to contact: | Laza-Martinez, Aitor | |
| Location: | Latitude: 43.318889, Longitude: -1.996111 | |
| General location information: |
Donostia-San Sebastián, Basque Country HAB Area code(s): ES-01 |
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| Additional location information: | Beach area | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2021-09-07 End: 2021-10-08 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | the start of the bloom was not recorded | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Ostreopsis spp.
(1900 cells/L)
|
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | max. epiphytic concentration: 475465 cells/g FW macroalga. BOth O. cf. siamensis and O. cf. ovata isolated | |
| 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: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | bathing with caution (yellow flag) was recommended | ||||||
| Additional harmful effect information: | 163 cases of pruritus were reported to the lifeguard services on the beaches of Donostia. Three of the cases required medical attention: two were mild and the other required further monitoring as it presented with rhinoconjunctivitis, cough and fever | ||||||
