General Information

Event name: NO-95-005
Country: NORWAY
Nature of the harmful event:
Mass mortalities
Event directly affected:
Natural 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: Yes (Yearly blooms since 1989.)
Individuals to contact: JOHNSEN, Torbjorn M.

Location & Date

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Location: Latitude: , Longitude:
General location information: Ryfylke, Sandsfjord system., West coast.
HAB Area code(s): NO-09
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: July-August.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Prymnesium sp. ( cells/L)
Prymnesium parvum / patelliferum
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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
In situ
Growth Comments Mainly in situ growth.
Additional Environmental information: Brackish water.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information: Control of shellfish toxicity by mouse bioassay.
Economic losses:
Management decision: Monitoring.
Additional harmful effect information:
Updated at 03:01 on 5 Mar 2018
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IOC/UNESCO ICES PICES