Harmful Algal Information System: Event GB-80-001

General Information

Event name:	GB-80-001
Country:	UNITED KINGDOM
Nature of the harmful event:	Mass mortalities
Event directly affected:	Aquaculture Fish
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:
Individuals to contact:	BRESNAN, Eileen

Location & Date

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Location:	Latitude: , Longitude:
General location information:	Loch Fyne, Scotland HAB Area code(s): GB-15
Additional location information:
Bloom event dates (yyyy/mm/dd):	Event Date:1980-09-28 Start: 1980-09-28, End: 1980-09-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Gyrodinium aureolum (20,000,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:	Jones et al (1982) https://www.cambridge.org/core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom/article/red-tide-of-gyrod-inium-aurelum-in-sea-lochs-of-the-firth-of-clyde-and-associated-mortality-of-pondreared-salmon/66318EEA618860F6643ED6DAC001E8E4

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

Kit used:

Type of kit used:

Additional information:

Economic losses:

On 28 September 1980, water containing the red tide at Otter Ferry was unintentionally pumped into fish ponds at a shore-based salmon farm and resulted in the death, in one pond, of 3000 salmon each weighing about 1 kg and of 200�300 smolts in another whe

Management decision:

Additional harmful effect information:

Created at 10:20 on 13 May 2020
Updated at 05:43 on 10 Dec 2020