General Information

Event name: GB-13-010
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: >160 OA g/kg)
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Food Standards Agency Shellfish Hygiene Monitoring Programme)
Event occurred before in this location:
Individuals to contact: BRESNAN, Eileen , Davidson, Keith

Location & Date

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Location: Latitude: , Longitude:
General location information: North and west coast, western Isles, Shetland, Scotland
HAB Area code(s): GB-15 GB-16 GB-17 GB-18 GB-19 GB-21
Additional location information: This event was widespread across multiple regions of the west coast, western isles and Shetland. It was difficult to determine if it was one distinct event or two overlapping blooms.
Bloom event dates (yyyy/mm/dd): Event Date:2013-06-10
Quarantine levels dates (yyyy/mm/dd): First detection: 2013-06-10, End: 2013-11-10
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Dinophysis acuminata (7,426 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Recorded in Vementry South in Shetland, July 2013. High cell densities greater than 4,000 cells/L were recorded in Glenuig bay (Highlands) and Loch Fyne (The Clyde Sea) in August 2013.
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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
Mytilus edulis Okadaic Acid OA 6950 g/kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Widespread closures were enforced in the relevant areas over the course of the summer. Actual data available from Food Standards Scotland.
Additional harmful effect information:
Created at 12:49 on 30 May 2018