General Information

Event name: ES-23-002
Country: SPAIN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (PSQAM)
Event occurred before in this location: Yes
Individuals to contact: Fernandez Tejedor, Margarita

Location & Date

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Location: Latitude: , Longitude:
General location information: Alfacs Bay, Catalonia
HAB Area code(s): ES-21
Additional location information: Alfacs Bay
Bloom event dates (yyyy/mm/dd): Event Date:2023-02-24
Quarantine levels dates (yyyy/mm/dd): First detection: 2023-02-24, End: 2023-03-24
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis sacculus Stein 1883 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Decrease in the frequency of diarrhetic shellfish poisoning (DSP) events associated to shifts in phytoplankton populations and changes in analytical methods for biotoxin analysis. 20th International Conference on Harmful Algae ICHA 2023.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
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
M. galloprovincialis Okadaic Acid LC-MS
C. gigas Okadaic Acid LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 12:03 on 11 Apr 2024
Updated at 12:04 on 11 Apr 2024
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES