General Information

Event name: PL-15-001
Country: POLAND
Nature of the harmful event:
Water Discoloration
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 (occasionally)
Individuals to contact: Mazur-Marzec, Hanna , Kobos, Justyna

Location & Date

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Location: Latitude: , Longitude:
General location information: Gulf of Gdansk, Southern Baltic
HAB Area code(s): PL-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2015-07-03
Start: 2015-07-01, End: 2015-07-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Aphanizomenon flos-aquae (Linneus) Ralfs ex Bornet et Flahaut 1888 ( cells/L)
Co-Ocurring Species/Genus: Nodularia spumigena Mertens in Jungers 1822 ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: warm, calm Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 19 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 7.2 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 19 °C, Min: 18 °C
Salinity Range During Event: Max: 7.2, Min: 7.1
Bloom location in the water column:
Growth: Advected
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: warning not to bathe in the water discoloration
Additional harmful effect information:
Created at 06:32 on 29 Mar 2016
Updated at 06:20 on 15 Dec 2019