General Information

Event name: PL-04-001
Country: POLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Other ( Scums)
Event directly affected:
Planktonic life , Natural Fish , Humans
Toxicity detected: Yes (Approximate range: Nodularin - up to 25 mg/L (up to 3.8 mg/g))
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, Hanna

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): Start: 2004-07-29, End: 2004-08-09
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena (23,570,810 cells/L)
Anabaena sp. (1,435,336 cells/L)
Co-Ocurring Species/Genus: Anabaena sp. (1,435,336 cells/L)
Chlorophyll concentration, if known: Chlorophyll concentration 21,354 g/l µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: calm, sunny Turbidity (NTU): Wind direction: NE
Stratified water: Yes Oxygen content (nL/L): Wind velocity: 2-4
Temperature (°C): 23 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 7.1 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 23 °C, Min: 19 °C
Salinity Range During Event: Max: 7, Min: 6
Bloom location in the water column: Whole column
In situ
Growth Comments
Additional Environmental information: Whole water column and surface bloom. Wind velocity: 2-4 m/s.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Nodularia spumigena Nodularins Nodularin 25 mg/L ELISA
Kit used: No Type of kit used:
Additional information: Envirogard HPLC-DAD, LC-MS
Economic losses:
Management decision: close beach
Additional harmful effect information: After swimming people complain about skin irritation and other alergic reactions
Updated at 09:11 on 2 Apr 2017
Checked at 10:22 on 29 Apr 2014