General Information

Event name: GB-17-010
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: >800 ug STX eq/KG)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Foods Standards UK monitoring programme)
Event occurred before in this location: Yes
Individuals to contact: BRESNAN, Eileen , Cefas Plankton Lab

Location & Date

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Location: Latitude: , Longitude:
General location information: South Coast, England
HAB Area code(s): GB-08
Additional location information: Discrete events in the Fowey and Salcombe production areas.
Bloom event dates (yyyy/mm/dd): Event Date:2017-08-01
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-08-01, End: 2017-09-20
Additional date-related information:


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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Saxitoxins STX eq 1590 ug/KG LC
Crassotera gigas Saxitoxins STX eq 1713 ug/KG LC
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting areas were closed until two consecutive samples a week apart with concentrations beneath the EU closure limit were received.
Additional harmful effect information:
Created at 05:18 on 15 Sep 2018
Updated at 05:20 on 15 Sep 2018