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General Information

Event name: FO-89-001
Country: FAROE ISLANDS
Nature of the harmful event:
 Mass mortalities
Event directly affected:
 Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: GAARD, Eilif

Location & Date

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Location: Latitude: , Longitude:
General location information: Trongisvágsfjord, Suduroy Island.
HAB Area code(s): FO-01
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Late April - early May.

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus: Thalassiosira gravida (500,000 cells/L)
Leucocryptos sp. ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: Causative species not known. In the water was a not identified flagellate(?). Size: 45 - 50 µm. Maximum concentrations: 120,000 cells/L.
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 35 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 6.3 °C, Min: 6 °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:
Management decision: Transport of the farms to the outhermost part of the fjord. After that the mortalities stopped.
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES