General Information

Event name: IE-96-003
Country: IRELAND
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: Above the threshold for human consumption.)
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 (This was the first time since 1987 that PSP toxins were detected in shellfish from Ireland.)
Individuals to contact: CLARKE, Dave

Location & Date

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Location: Latitude: , Longitude:
General location information: Cork Harbour., South Coast.
HAB Area code(s): IE-03
Additional location information: In July, a bloom of Alexandrium tamerense was observed during routine analysis of water samples from Cork Harbour.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: July 96.


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (875,000 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: °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
Mussels Saxitoxins GTX3 LC
Mussels Saxitoxins GTX2 LC
Kit used: Type of kit used:
Additional information: Toxins were detected, at a concentration above the threshold for human consumption. Chemical analysis of samples showed that the main toxins present were gonyautoxin2 (GTX2) and gonyautoxin3 (GTX3).
Economic losses:
Management decision: In mussel samples and harvesting of all shellfish from the area was prohibited for a period of 2 weeks.
Additional harmful effect information:
Updated at 04:10 on 24 Apr 2018
Checked at 04:32 on 22 Apr 2013