General Information

Event name: ES-99-009
Country: SPAIN
Nature of the harmful event:
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (Widespread bloom along the coast the previous year (1998))
Individuals to contact: VILA, Magda

Location & Date

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Location: Latitude: , Longitude:
General location information: Coma-ruga to Arenys., Catalonia, NE Spain.
HAB Area code(s): ES-22
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1999-07-01, End: 1999-07-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella (1,7 x (10) cells/L)
Up to 1,7 x (10)5 cells/L
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Meterological stability, anticiclone. 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: AMONIUM: 0.1-3.9 Ámol/L
NITRATE: 0.1-2.4 Ámol/L
NITRITE: 0 - 0.3 Ámol/L
PHOSPHATE: 0-0.8 Ámol/L
SILICATE: 0.7 - 2.9 Ámol/L
Temperature Range During Event: Max: 24 °C, Min: 21 °C
Salinity Range During Event: Max: 38, Min: 33
Bloom location in the water column:
Growth Comments ┐ ?
Additional Environmental information: Very low concentrations of nutrients.

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: Closing the extraction of bivalves in the area during two weeks, until levels of PSP were <80 mg PSP/100g.
Additional harmful effect information: Detection of PSP (max. concentration: 149 mg PSP/100g mussel, in Vallcarca Harbour; and 109mg PSP/100g mussel, in Castelldefels beach)