General Information

Event name: PT-22-018
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
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: Mira estuary, West coast
HAB Area code(s): PT-04
Additional location information: estuarine production area
Bloom event dates (yyyy/mm/dd): Event Date:2022-04-20
Start: 2022-04-18, End: 2022-06-26
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Dinophysis acuminata (320 cells/L)
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: 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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytillus Okadaic Acid 250 ugOAequiv/Kg LC-MS
Kit used: Type of kit used:
Additional information: LC-MS/MS
Economic losses:
Management decision: ban on harvesting
Additional harmful effect information:
Created at 11:20 on 9 May 2023