Harmful Algal Information System: Event GB-19-005

General Information

Event name:	GB-19-005
Country:	UNITED KINGDOM
Nature of the harmful event:	Seafood toxins
Event directly affected:	Shellfish
Toxicity detected:	Yes (Approximate range: >800 ug STX eq/kg)
Associated syndrome:	DSP , PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (Food Standards Scotland Biotoxin 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:	Loch Laxford, North West Scotland HAB Area code(s): GB-19
Additional location information:
Bloom event dates (yyyy/mm/dd):	Event Date:2019-06-04 Start: 2019-06-04,
Quarantine levels dates (yyyy/mm/dd):	First detection: 2019-06-04,
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	1436 ug/kg	LC

Kit used:

Type of kit used:

Additional information:

Economic losses:

Management decision:

Harvesting area was closed for harvesting - was subsequently closed for DSTs so closure extended for these toxins after levels of PSTs had decreased to less than regulatory limits.

Additional harmful effect information:

Created at 05:47 on 8 Mar 2021
Updated at 10:17 on 17 Mar 2021