| Event name: | ES-06-005 | |
| Country: | SPAIN | |
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Nature of the harmful event: |
High Phyto concentration , Foam/Mucilage in the coast , Other ( People near the beach suffered respiratory problems) | |
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Event directly affected: |
Humans | |
| Toxicity detected: | No | |
| Associated syndrome: | Aerosolized toxins effects | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | Marine aerosols are the suspected vectors | |
| Report the outcome of a monitoring programme: | Yes (Pla de Vigilancia de Fitoplancton Toxic i Nociu a la Costa Catalana) | |
| Event occurred before in this location: | Yes (In August 1998 and in August 2004. See Additional Harmful effects) | |
| Individuals to contact: | VILA, Magda , MASO, Mercedes , SAMPEDRO, Nagore | |
| Location: | Latitude: 41.550000, Longitude: 2.500000 | |
| General location information: |
Llavaneres, NE Spain, Catalonia HAB Area code(s): ES-22 |
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| Additional location information: | Affected sites are beaches. | |
| Bloom event dates (yyyy/mm/dd): | Start: 2006/08/26, End: 2006/08/27 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Ostreopsis siamensis Schmidt 1901
(2000 cells/L)
Ostreopsis cf siamensis. 10 days before 18000 cells/L were recorded |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | We know from this incident due to an emˇpidemiologic study done by the Sanity Department because about 33 people in the beach suffered from nose and eye irritation. | |
| Event-related bibliography: | Vila M, Garcés E, Masó M. Potentially toxic epiphytic dinoflagellate assemblages on macroalgae in the NW Mediterranean (2001). Aquat Mic Ecol, 26, 51-60. Penna A, Vila M, Fraga S, Giacobbe MG, Andreoni F, Riobó P, Vernesi C (2005). Characterization of Ostreopsis and Coolia (Dinophyceae) isolates in the Western Mediterranean sea based on morphology, toxicity and Internal Transcribed Spacer 5.8S rDNA sequences. J. Phycol., 41(1), 212-225. Vila M, Masó M, Sampedro N, Illoul H, Arin L, Garcés E, Giacobbe MG, Alvarez J and J. Camp (aceptado). The genus Ostreopsis in recreational waters of the Catalan Coast and Balearic Islands (NW Mediterranean Sea): is this the origin of human respiratory difficulties? XII ICHA PROCEEDINGS | |
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| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
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| Bloom location in the water column: |
Surface |
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| Growth: |
In situ |
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| Additional harmful effect information: | In August 1998 fauna and flora mortalities were documented at the same place (Llavaneres). In the water column we detected huge cell concentrations on Ostreopsis (200 000 cells/L) and Coolia sp. (8 000 cells/L). In August 2004 In summer 2004 (4-10 August), an epidemic respiratory irritation outbreak affected 74 people in Llavaneres beach. The main symptoms were rhinorrhoea (74.2%), nose irritation (66.1 %), throat irritation (62.9%), coughing (59.7 %), expectoration (51.6 %), eye irritation (41.4 %) and migraine (40.3%). These symptoms lasted about 45 hours, and the estimated incubation period was around 3 hours. Sick people were beachgoers of Llavaneres (basically a rocky area), or residents of flats located very near a rocky artificial area constructed to protect the shore-line. Most cases of sick people (91%) occurred between 7 and 9 August, with a maximum reported on 8 August (56%) (Fig. 2). Unusual high concentrations of Ostreopsis were detected in the surface water (2.3•104 cells•l-1) on 6th August, decreasing to a maximum of 4•103 cells•l-1 on 13th and below 2•103 cells•l-1 on 17th August. | ||||||
