General Information

Event name: PL-18-001
Country: POLAND
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Planktonic life , Humans
Toxicity detected: Yes (Approximate range: nodularin 6.750 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 Gdańsk, Southern Baltic
HAB Area code(s): PL-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2018-07-11
Start: 2018-07-11, End: 2018-07-13
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)
103.6 mln (100 m filament/L); biomass 847.5 mg/L
Co-Ocurring Species/Genus: Aphanizomenon flos-aquae (Linneus) Ralfs ex Bornet et Flahaut 1888 ( cells/L)
7.0 mln (100 m filament/L); biomass 13.7 mg/L
Dolichospermum spp. ( cells/L)
7.5 mln (100 m filament/L); biomass 9.8 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: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
Surface
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 NOD 6.750 g/L LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses: beaches closed for two days in July 2018
Management decision: 2 beaches closed
Additional harmful effect information: warning against swimming in the water with changed color and smell
Created at 08:33 on 25 Jun 2019
Updated at 06:18 on 15 Dec 2019
IOC/UNESCO ISSHA
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