General Information

Event name: ES-99-001
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 96 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
Individuals to contact: DELGADO, Maximino

Location & Date

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Location: Latitude: , Longitude:
General location information: Alfacs Bay., Catalonia, NE Spain.
HAB Area code(s): ES-21
Additional location information: Ebro Delta.
Bloom event dates (yyyy/mm/dd): Event Date:1999-01-18
Start: 1999-01-18, End: 1999-01-25
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium minutum (1,000 - 3, cells/L)
This species is present every year since 1989.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 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): 11.0 Oxygen saturation %: 98 Current Direction:
Sechhi disk (m): Salinity: 34.8 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 12 °C, Min: 10 °C
Salinity Range During Event: Max: 36, Min: 34
Bloom location in the water column:
Surface
Growth:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus galloprovincialis Saxitoxins STX eq max. 96 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Closening of the Bay for bivalve extraction.
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES