General Information

Event name: ES-89-006
Country: SPAIN
Nature of the harmful event:
Water Discoloration , Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 110 g STXeq / 100 g.)
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: Yes (None. It is the first citation of PSP and the first known occurrence of Alexandrium minutum in the Calalan Coast.)
Individuals to contact: DELGADO, Maximino

Location & Date

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Location: Latitude: , Longitude:
General location information: Bays of Ebro Delta., Catalonia, NE Spain.
HAB Area code(s): ES-21
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: May 89

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium minutum (28,000,000 cells/L)
Co-Ocurring Species/Genus: Eutreptiella sp. ( cells/L)
Prorocentrum triestinum ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Yes 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: 16 °C, Min: 14 °C
Salinity Range During Event: Max: 37, Min: 34
Bloom location in the water column:
Growth:
Growth Comments ?
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mussels Saxitoxins STX eq 110 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Extraction of shellfish was closed in all the Ebro Delta area until 25 May.
Additional harmful effect information: Red-coloured waters. Not known human or animal illnesses
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES