General Information

Event name: SE-13-005
Country: SWEDEN
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome: Cyanobacterial toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Baltic Algae Watch System, SMHI)
Event occurred before in this location: Yes (Reecurring event in summer)
Individuals to contact: KARLSON, Bengt

Location & Date

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Location: Latitude: 61.666667, Longitude: 19.333056
General location information: Botnian Sea,
HAB Area code(s): SE-02
Additional location information: A large part of the Bothian Sea was affected.
Bloom event dates (yyyy/mm/dd): Start: 2013-07-25, End: 2013-08-25
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Observations are from satellite remote sensing. Blooms are not visible from satellite during cloudy conditions.


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Baltic Algae Watch System

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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 06:37 on 28 Apr 2014
Updated at 05:50 on 15 Dec 2019