General Information

Event name: GB-92-005
Nature of the harmful event:
High Phyto concentration , Mass mortalities , Other ( )
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Blooms of this species are an annual event, but colony numbers are very variable.)
Individuals to contact: LAING, I.

Location & Date

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Location: Latitude: , Longitude:
General location information: Conwy to Abergele., ENGLAND AND WALES, North Wales Coast
HAB Area code(s): GB-12
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1992-06-12, End: 1992-06-14
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Phaeocystis pouchetii ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Weather very warm and settled. 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 No data.
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: Samples taken for determination of oxigen content of water - was 34% saturation.
Additional harmful effect information:
Updated at 01:58 on 5 Oct 2018