General Information

Event name: PL-14-001
Country: POLAND
Nature of the harmful event:
Water Discoloration
Event directly affected:
Toxicity detected: Yes (Approximate range: Approximate range: NOD 6-1590 g/L)
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 (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: ICES fishing area: IIId 26
Bloom event dates (yyyy/mm/dd): Event Date:2014-07-08
Start: 2014-07-07, End: 2014-07-10
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena Mertens in Jungers 1822 ( cells/L)
19.9 mln (100 m filament/L); biomass 185.4 mg/L
Co-Ocurring Species/Genus: Anabaena lemmermannii ( cells/L)
new name Dolichospermum) 0.3 mln (100 m filament/L); biomass 0.44 mg/L
Aphanizomenon flos-aquae ( cells/L)
6.0 mln (100 m filament/L); biomass 11.8 mg/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): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 27.5 °C, Min: 22.5 °C
Salinity Range During Event: Max: 6.7, 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
Nodularia spumigena Nodularins Nodularin 1590 ug/L LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: closed beaches
Additional harmful effect information:
Created at 02:37 on 10 Apr 2015
Updated at 06:22 on 15 Dec 2019