General Information

Event name: PT-89-004
Country: PORTUGAL
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 106 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 (Common species since 1980. First confirmed PSP problem 1986.)
Individuals to contact: SAMPAYO, M Antonia

Location & Date

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Location: Latitude: , Longitude:
General location information: Matosinhos.,
HAB Area code(s): PT-02
Additional location information: Coastal zone.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: October 89.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gymnodinium catenatum (28,000 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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 24 °C, Min: 14 °C
Salinity Range During Event: Max: 36, Min: 24
Bloom location in the water column:
Growth:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Molluscs Saxitoxins STX eq 106 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish fisheries closed June-October due to DSP
Additional harmful effect information: All bivalve molluscs affected. No human illnesses.
Checked at 05:38 on 22 Feb 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES