Harmful Algal Information System: Event GB-19-002

General Information

Event name:	GB-19-002
Country:	UNITED KINGDOM
Nature of the harmful event:	Seafood toxins
Event directly affected:	Shellfish , Humans
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 (Food Standards Agency Biotoxin monitoring programme)
Event occurred before in this location:	Yes
Individuals to contact:	Cefas Plankton Lab

Location & Date

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Location:	Latitude: , Longitude:
General location information:	St Austell, South West UK HAB Area code(s): GB-08
Additional location information:	Sites were Porthallow, St, Austell Bay, Lantivet Bay
Bloom event dates (yyyy/mm/dd):	Event Date:2019-05-29 Start: 2019-05-29,
Quarantine levels dates (yyyy/mm/dd):	First detection: 2019-05-29, End: 2019-06-24
Additional date-related information:

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Dinophysis spp. (1600 cells/L) 2019-05-29
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	Okadaic Acid	OA eq	499 ug/kg	LC-MS

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

Closure of shellfish harvesting areas until toxin levels were less than regulatory limits for two successive weeks.

Additional harmful effect information:

Human illness was recorded after consumption of mussels from this region although not these specific sites during this time period. More details can be found at https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2019.24.35.1900513?crawler=true

Created at 05:14 on 8 Mar 2021
Updated at 05:15 on 8 Mar 2021