General Information

Event name: GB-17-008
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: >160 ug OA eq/KG)
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Foods Standards Scotland monitoring programme)
Event occurred before in this location: Yes
Individuals to contact: BRESNAN, Eileen , Davidson, Keith

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: West Coast, Highlands, Western Isles, West Coast Scotland
HAB Area code(s): GB-17 GB-18 GB-19
Additional location information: Events recorded at muliple sites in region 17,18 and 19. Loch Eishort, Loch Torridon, Loch Roag, Loch Laxford, Loch Beag, Loch Kanaird, Loch na Coille, Kilifinchen Bay.
Bloom event dates (yyyy/mm/dd): Event Date:2017-07-11
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-07-11, End: 2017-10-16
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata ( cells/L)
Dinophysis acuta ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Both Dinophysis acuminata and D. acuta were recorded throughout the summer. It is difficult to distinguish if there were two separate events or one extensive one that lingered just under the closure limit. It has been entered as one event.
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 eq 435 ug/KG LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting areas were closed until two consecutive samples a week apart were submitted with toxin concentrations beneath the EU closure limit.
Additional harmful effect information:
Created at 04:46 on 15 Sep 2018
Updated at 04:50 on 15 Sep 2018