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General Information

Event name: PT-24-001
Country: PORTUGAL
Nature of the harmful event:
 Seafood toxins
Event directly affected:
 Humans
Toxicity detected: Yes (Approximate range: 760)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Mytilus edulis
Report the outcome of a monitoring programme: Yes (SNMB IPMA)
Event occurred before in this location: Yes
Individuals to contact: VALE, Paulo , GONÇALVES, Andre

Location & Date

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Location: Latitude: , Longitude:
General location information: L7c2,
HAB Area code(s): PT-06
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2024-03-25
Start: 2024-03-25, End: 2024-03-25
Quarantine levels dates (yyyy/mm/dd): First detection: 2024-03-25, End: 2024-04-08
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Saxitoxins 760 µg STX equiv. kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish harvest closure
Additional harmful effect information:
Created at 00:00 on 30 Nov -1
Updated at 03:29 on 1 Sep 2025
Checked at 00:00 on 30 Nov -1
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES