General Information

Event name: IS-17-001
Country: ICELAND
Nature of the harmful event:
Event directly affected:
Toxicity detected: Yes (Approximate range: DSP 120-320 g/kg blue mussel)
Associated syndrome: DSP , PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Blue mussel
Report the outcome of a monitoring programme: Yes (Monitoring of harmful alge in Iceland)
Event occurred before in this location: Yes (Often)
Individuals to contact: Gudfinnsson, Hafsteinn

Location & Date

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Location: Latitude: 64.366667, Longitude: -21.550556
General location information: Hvalfjordur, West Iceland
HAB Area code(s): IS-002
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2017-05-29
Start: 2017-05-29, End: 2017-06-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Dinophysis rotundata ( cells/L)
Dinophysis norvegica (360 cells/L)
Dinophysis acuminata (200 cells/L)
Alexandrium tamarense (60 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Diatom community
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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Dinophysis Okadaic Acid 150 g/kg LC
Kit used: Type of kit used:
Additional information:
Economic losses: Unable to harvest blue mussel
Management decision:
Additional harmful effect information:
Created at 03:30 on 18 Feb 2019
Updated at 10:38 on 3 Apr 2019