General Information

Event name: ES-00-007
Country: SPAIN
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: Yes (Approximate range: 100 µg SXTeq /100 g)
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.)
Individuals to contact: VILA, Magda

Location & Date

[View larger map]
Location: Latitude: 41.571667, Longitude: 2.555000
General location information: Arenys harbour., Catalonia, NE Spain.
HAB Area code(s): ES-22
Additional location information: Another bloom was of A. minutum was detected in Olimpic harbour coinciding in time (max. cell conc.: 1300000 cells/L, water temp: 10.8-13.1şC, sal.: 37.2-37.4)
Bloom event dates (yyyy/mm/dd): Start: 2000-01-10, End: 2000-03-06
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium minutum (7,200,000 cells/L)
Dinophysis sacculus (27,600 cells/L)
Co-Ocurring Species/Genus: Prorocentrum micans (406,000 cells/L)
Scrippsiella spp. (33,000 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Vila M., Camp, J., Garcés, E., Masó, M. and Delgado, M. 2001. High resolution spatio-temporal detection of HABs in confined waters in the NW Mediterranean. J. Plankton Research (In Press).

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: 14 °C, Min: 12 °C
Salinity Range During Event: Max: 36, Min: 34
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
Mussels Saxitoxins STX eq 100 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: