General Information

Event name: IE-98-001
Country: IRELAND
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: No
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes
Individuals to contact: CLARKE, Dave

Location & Date

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Location: Latitude: , Longitude:
General location information: Bruckless Bay and Dunmanus Bay., Donegal.
HAB Area code(s): IE-04 IE-07
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1998-07-07, End: 1998-08-25
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (4,000 cells/L)
surface sample in Bruckless Bay, 7 July.
Dinophysis acuta (1,200 cells/L)
Dunmanus Bay, 25 August.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: In 1998, D. acuta and D. acuminata were present only in very low numbers and both species, when present in a sample, were typically detected at levels in the range 40-200 cells/L.
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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Each of the affected areas was closed for a period of 2 weeks
Additional harmful effect information: A total of 967 shellfish samples were tested by DSP mouse biossay in 1998 and only 8 samples gave positive results. The very low level of toxicity recorded in 1998 was similar to thet recorded in 1996 and 1997.
Updated at 03:59 on 24 Apr 2018
Checked at 04:32 on 22 Apr 2013