General Information

Event name: PL-16-002
Country: POLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Planktonic life , Humans
Toxicity detected: Yes (Approximate range: 0.22 - 257.95 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 (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:2016-07-26
Start: 2016-07-24, End: 2016-07-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena Mertens in Jungers 1822 ( 17.85 mln (100 m filament/L) cells/L)
biomass 108.29 mg/L
Co-Ocurring Species/Genus: Anabaena spp. (11.66 mln (100 m filament/L) cells/L)
biomass 15.25 mg/ (new name Dolichospermum spp.)
Aphanizomenon flos-aquae (3.57 mln (100 m filament/L) cells/L)
biomass 7.02 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): 22 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 22.3 °C, Min: 20 °C
Salinity Range During Event: Max: 7.2, Min: 6.8
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 257.95 g/L LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses: beaches closed for one week in July 2016
Management decision: 10 beaches closed
Additional harmful effect information:
Created at 09:32 on 5 Apr 2017
Updated at 06:19 on 15 Dec 2019