General Information

Event name: SE-13-006
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: 56.035278, Longitude: 18.783056
General location information: Baltic Proper,
HAB Area code(s): SE-04
Additional location information: Large part of the Baltic Proper and the Gulf of Finland affected.
Bloom event dates (yyyy/mm/dd): Event Date:2013-07-07
Start: 2013-06-19, End: 2013-08-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Aphanizomenon sp. ( cells/L)
Co-Ocurring Species/Genus: Anabaena sp. ( cells/L)
New name Dolichospermum
Nodularia spumigena ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Årsrapport för 2013, Informationscentralen för Egentliga Östersjön, report in Swedish

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:
In situ
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: Information to the public on web site of the Inormation Centre for the Baltic Proper
Additional harmful effect information:
Created at 07:00 on 28 Apr 2014
Updated at 05:50 on 15 Dec 2019