General Information

Event name: PL-22-001
Country: POLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Planktonic life , Humans
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (yes Bathing service (Chief Sanitary Inspectorate))
Event occurred before in this location: No
Individuals to contact: Mazur-Marzec, Hanna , Kobos, Justyna

Location & Date

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Location: Latitude: 54.350556, Longitude: 19.169167
General location information: , Southern Baltic Sea
HAB Area code(s): PL-01
Additional location information: near Vistula Split canal
Bloom event dates (yyyy/mm/dd): Event Date:2022-07-19
Start: 2022-07-19, End: 2022-07-19
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena Mertens in Jungers 1822 ( cells/L)
Co-Ocurring Species/Genus: Dolichospermum spp. ( cells/L)
Aphanizomenon flos-aquae ( cells/L)
Microcystis spp. ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: Surface accumulations of cyanobacteria were clearly seen.
Event-related bibliography: Weekly report of cyanobacteria situations prepare by University of Gdańsk available on web page (in Polish) https://ocean.ug.edu.pl/pages/pl/o-instytucie/zaklady/zbm/kapieliska-2022.php

Environmental Conditions

Weather: warm, calm Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 23 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 6,5 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
Surface
Growth: Advected
In situ
Growth Comments The bloom could have formed in the Vistula Lagoon and entered the Baltic Sea after the opening of the lock on the canal from the Vistula Lagoon
Additional Environmental information: a large bloom of cyanobacteria, the water has changed color

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses: bathing sites closed for 1 day in July 2022
Management decision: 2 bathing sites closed
Additional harmful effect information: warning against swimming in the water with changed color and smell
Created at 10:59 on 12 Mar 2023
Updated at 11:17 on 12 Mar 2023
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES