General Information

Event name: ES-99-006
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: Yes
Event occurred before in this location: Yes (Since 1996)
Individuals to contact: GARCÉS, Esther

Location & Date

[View larger map]
Location: Latitude: 41.250000, Longitude: 3.166667
General location information: Pals., Catalonia, NE Spain.
HAB Area code(s): ES-22
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1999-08-29
Start: 1999-06-29, End: 1999-09-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Corresponding to the maximum cell concentration recorded for the causative species 29/Aug/99.


Causative organism known: Yes
Causative Species/Genus: Alexandrium taylorii (3 x (10)5 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Dinophyceae, pyrrophyta.
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. Garces, E., Maso, M. and Camp, J. (1999) A recurrent and localized dinoflagellate bloom in Mediterranean beach. J. Plankton Res. 21, 2373-2391.

Environmental Conditions

Weather: Summer Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 24.5 ºC Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 36.2 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 25 °C, Min: 22 °C
Salinity Range During Event: Max: 37, Min: 28
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: