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General Information

Event name: GB-17-004
Country: UNITED KINGDOM
Nature of the harmful event:
 Seafood toxins
Event directly affected:
 Shellfish
Toxicity detected: Yes (Approximate range: 4450 ug STX eq/KG)
Associated syndrome: PSP
Unexplained toxicity:
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

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Location: Latitude: , Longitude:
General location information: ,
HAB Area code(s): GB-19
Additional location information: This was a discrete event in Loch Stockinish on the Isle of Harris, Western Isles.
Bloom event dates (yyyy/mm/dd): Event Date:2017-06-16
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-06-16, End: 2017-07-24
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium spp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Saxitoxins STX eq 4450 LC
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting was closed until two consecutive samples were received a week apart with toxin concentrations beneath the EU closure limit.
Additional harmful effect information:
Created at 06:43 on 14 Sep 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES