General Information

Event name: SE-14-003
Country: SWEDEN
Nature of the harmful event:
Water Discoloration , Freshwater
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: No
Event occurred before in this location: Yes (Recurrent phenomen in the Baltic proper)
Individuals to contact: KARLSON, Bengt

Location & Date

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Location: Latitude: 57.344167, Longitude: 18.596667
General location information: Ireviken, County of Gotland
HAB Area code(s): SE-05
Additional location information: It is lileky that also adjacent areas on Gotland was affected
Bloom event dates (yyyy/mm/dd): Start: 2014-07-19, End: 2014-07-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: The end of the event is not well documented


Causative organism known: Yes
Causative Species/Genus: Aphanizomenon flos-aquae ( cells/L)
Anabaena sp. ( cells/L)
Nodularia spumigena Mertens in Jungers 1822 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: No sample from Ireviken was collected. Species information is from water sampåles collected off shore
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: Advected
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 01:22 on 15 Apr 2015
Updated at 04:20 on 15 Apr 2015