General Information

Event name: PT-21-002
Country: PORTUGAL
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 479 µg de equivalentes de ácido ocadaico/kg)
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (SNMB)
Event occurred before in this location: Yes
Individuals to contact: Alexandra Silva

Location & Date

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Location: Latitude: , Longitude:
General location information: L1+L2, NW coast
HAB Area code(s): PT-01
Additional location information: coastal
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2021-04-30, End: 2021-07-21
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (660 cells/L)
Co-Ocurring Species/Genus: Dinophysis acuta (60 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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
Mityllus Okadaic Acid LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Ban on harvesting
Additional harmful effect information:
Created at 09:40 on 15 Mar 2022
Updated at 10:20 on 15 Mar 2022
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES