General Information

Event name: PL-02-001
Country: POLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Natural Fish , Humans
Toxicity detected: Yes (Approximate range: Nodularin up to 12 g/L; up to 919 g/g d.w.)
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: Baltic Sea, Gulf of Gdansk,
HAB Area code(s): PL-01
Additional location information: Along the coast of the Gulf of Gdansk. ICES fishing area: IIId 26.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: start: beginning of June 2002, end: mid Septe


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena ( cells/L)
Co-Ocurring Species/Genus: Aphanizomenon flos-aquae ( cells/L)
Anabaena spp. ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: Started ealier than usual and lasted longer than usual in this region
Event-related bibliography: Mazur & Plinski, Nodularia spumigena blooms and hepatotoxin production in the Gulf of Gdansk, Oceanologia, 2003

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: 24 °C, Min: 13 °C
Salinity Range During Event: Max: 7, Min: 6
Bloom location in the water column: Whole column
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 up to 12 g/L; up t LC
Kit used: No Type of kit used:
Additional information: standard HPLC method was used. HPLC-PDA.
Economic losses:
Management decision: closed beaches
Additional harmful effect information:
Created at 04:05 on 15 Apr 2015
Updated at 06:29 on 15 Dec 2019