General Information

Event name: PL-06-002
Country: POLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: Yes (Approximate range: Nodularins 50.8 g/L ; Microcystins 9.96 g/L)
Associated syndrome: Cyanobacterial toxins effects
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (Annual event)
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: coastal areas of the Gulf of Gdansk. ICES fishing area: IIId 26
Bloom event dates (yyyy/mm/dd): Start: 2006-06-19, End: 2006-08-22
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena ( cells/L)
(nodularin produce)
Anabaena spp. ( cells/L)
(new name Dolichospermum spp. - microcystin produce)
Co-Ocurring Species/Genus: Aphanizomenon flos-aquae ( cells/L)
Chlorophyll concentration, if known: 337.95 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): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 23.3 °C, Min: 19.9 °C
Salinity Range During Event: Max: 6.7, Min: 6.3
Bloom location in the water column: Whole 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
Nodularia spumigena Nodularins Nodularin 50.76 g/L LC
Anabaena spp. Microcystins MC-LR 9.96 LC
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: 14 beaches closed
Additional harmful effect information:
Created at 05:54 on 15 Apr 2015
Updated at 06:27 on 15 Dec 2019