General Information

Event name: ES-01-001
Country: SPAIN
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
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 (Since 1996, in other harbours.)
Individuals to contact: VILA, Magda

Location & Date

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Location: Latitude: 41.108333, Longitude: 1.251667
General location information: Tarragona harbour., Catalonia, NE Spain.
HAB Area code(s): ES-21
Additional location information: Bloom confined in a a harbour. Not bloom concentrations were detected outside.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Detection of quarentine levels: 28/05/01-20/05/01. Low cell detection was detected on 10/06/01. Max. cell conc. (8000000 cells/L) occured on 10/06/01. The bloom finished on 17/08/01. This species was detected in concentrations around 10000 cells/L in Olímpic, Vilanova and Ampolla harbour. In general this species was observed in the area during the summer. But in Ampolla harbour, a small bloom was detected in 31/10/01.


Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella (8,000,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 21 µg/L Chlª. µg/l
Additional bloom information:
Event-related bibliography: Vila M, Garcés E, Masó M, Camp J (2001) Is the distribution of the toxic dinoflagellate Alexandrium catenella expanding along the NW Mediterranean coast? Mar Ecol Prog Ser , 222, 73-83. Vila M, Delgado M, Camp J (2001) First detection of widespread toxic events caused by Alexandrium catenella in the Mediterranean Sea. In: Hallegraeff GM, Blackburn SI, Bolch CJ i Lewis RJ (ed) Harmful Algal Blooms 2000. Proc. 9th Int. Conf. Harmful Algal Blooms. IOC, Paris, p 8-11.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: