General Information

Event name: ES-01-023
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 297 gSTX eq/100g.)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: DELGADO, Maximino

Location & Date

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Location: Latitude: , Longitude:
General location information: Fangar Bay, Ebro Delta., Catalonia, NE Spain.
HAB Area code(s): ES-21
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2001-10-31, End: 2001-11-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: start of the bloom: 8/10/01; end : 12/11/01


Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella (60,800 cells/L)
diiverse diatoms and nanoflagelllates species
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 1.1 - 6.4 g/L Chl. µg/l
Additional bloom information:
Event-related bibliography:

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: 22 °C, Min: 9 °C
Salinity Range During Event: Max: 37, Min: 21
Bloom location in the water column:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mitylus galloprovincialis Saxitoxins STX eq 297 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: closening for harvesting shellfish
Additional harmful effect information: