| Event name: | PL-21-001 | |
| Country: | POLAND | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
|
Event directly affected: |
Planktonic life , Humans | |
| Toxicity detected: | Yes (Approximate range: NOD (50.0-7760.0 ug/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: | Latitude: , Longitude: | |
| General location information: |
Gulf of Gdańsk, Southern Baltic Sea HAB Area code(s): PL-01 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:2021-06-29 Start: 2021-06-29, End: 2021-06-30 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Nodularia spumigena Mertens in Jungers 1822
( cells/L)
134.8 mln (100 µm filament/L), biomass 1348.8 mg/L |
|
| Co-Ocurring Species/Genus: |
Aphanizomenon flos-aquae (Linneus) Ralfs ex Bornet et Flahaut 1888
( cells/L)
39.7 mln (100 µm filament/L); biomass 77.9 mg/L Dolichospermum spp. ( cells/L) 2.5 mln (100 µm filament/L); biomass 3.3 mg/L |
|
| Chlorophyll concentration, if known: | 3206.5 µg/l | |
| Additional bloom information: | Surface accumulations of filamentous cyanobacteria were clearly seen. | |
| Event-related bibliography: | Weekly reports 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-2021.php | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 24.3 °C, Min: 21.8 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: |
Advected
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | ||||||||||||
| Economic losses: | bathing sites closed for 1-2 days in June 2021 | |||||||||||
| Management decision: | 11 bathing sites closed | |||||||||||
| Additional harmful effect information: | warning against swimming in the water with changed color and smell | |||||||||||
