General Information

Event name: ES-99-003
Country: SPAIN
Nature of the harmful event:
Water Discoloration , High Phyto concentration
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 (Since 1997)
Individuals to contact: GARCÉS, Esther

Location & Date

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Location: Latitude: 38.916667, Longitude: 1.166667
General location information: Cala Tarida., Balearic Island, Eivissa.
HAB Area code(s): ES-27
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1999-08-08
Start: 1999-07-05, End: 1999-09-06
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium taylorii (1 x (10)6 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 40 µg/L Chlª as a max. µg/l
Additional bloom information:
Event-related bibliography: Garcés, E. (1998) Proliferacions de dinoflagel.lades a la Costa Catalana: estudi del creixement in situ i adaptacions per al manteniment. PhD Thesis. Universitat de Barcelona.

Environmental Conditions

Weather: Summer. Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 27 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 27 °C, Min: 22 °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information: At surface in the light hours. On the sediment in the dark time.

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: Indirect losses for the tourist industry.
Management decision:
Additional harmful effect information: