General Information

Event name: IE-87-002
Country: IRELAND
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 452 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 (June 1984 and 1985 and again very localised and with sublethal toxicity to mice. No human health incidents reported.)
Individuals to contact: CLARKE, Dave

Location & Date

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Location: Latitude: , Longitude:
General location information: Estuary of R. Lee, Cork Harbour., South Coast.
HAB Area code(s): IE-03
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1987-06-25, End: 1987-07-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Scrippsiella sp. ( cells/L)
Low concentration
Gonyaulax spinifera (44,500,000 cells/L)
Dominant species
Heterocapsa sp. ( cells/L)
low concentration
Gonyaulax tamarensis (6,500,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Scrippsiella sp. and some Heterocapsa sp. in low numbers (confirmed by N. Paige Dept. of Botany, Royal Holloway and Bedford New College)
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 16 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: Population: Very localised and patchy within the Harbour area replaced by Chaetoceros sp. bloom 28 July. pH: 8.75.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mussels & Oysters Saxitoxins STX eq 452 Bioassay-Mouse
Kit used: Type of kit used:
Additional information: Routine PSP bio-assays are conducted for shellfish exports.
Economic losses:
Management decision: Shellfish quarantine for four weeks Cork Harbour only as no other adjacent bays were affected.
Additional harmful effect information: No human health problems reported.
Updated at 04:24 on 24 Apr 2018
Checked at 04:32 on 22 Apr 2013