| Event name: | PL-18-002 | |
| Country: | POLAND | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
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Event directly affected: |
Planktonic life , Natural Fish , Birds , Humans | |
| Toxicity detected: | Yes (Approximate range: nodularin 35.000 µg/L; microcystins 7.480 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 HAB Area code(s): PL-01 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:2018-07-24 Start: 2018-07-23, End: 2018-08-02 |
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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)
587.2 mln (100 µm filament/L); biomass 3256.8 mg/L Dolichospermum spp. ( cells/L) 1110.8 mln (100 µm filament/L); biomass 1453.3 mg/L |
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| Co-Ocurring Species/Genus: |
Aphanizomenon flos-aquae
( cells/L)
102.8 mln (100 µm filament/L); biomass 201.8 mg/L |
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Phytoplankton community was dominated by long, straight filaments of N. spumigena. At the end of the bloom, the contribution of cyanobacteria from Dolichospermum genus significantly increased (to 50% of total phytoplankton biomass). | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Whole column
Surface |
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| 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: | beaches closed for 10-12 days in July-August 2018 | |||||||||||||||||||||
| Management decision: | 28 beaches closed | |||||||||||||||||||||
| Additional harmful effect information: | warning against swimming in the water with changed color and smell | |||||||||||||||||||||
