| Event name: | FI-22-001 | |
| Country: | FINLAND | |
|
Nature of the harmful event: |
High Phyto concentration | |
|
Event directly affected: |
Humans | |
| Toxicity detected: | No | |
| Associated syndrome: | Cyanobacterial toxins effects | |
| Unexplained toxicity: | ||
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes (Finnish phytoplankton monitoring) | |
| Event occurred before in this location: | Yes (A long-lasting and widespread bloom was last observed in 2018) | |
| Individuals to contact: | LEHTINEN, Sirpa , SUIKKANEN, Sanna | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Archipelago Sea, W Gulf of Finland, Bothnian Sea, HAB Area code(s): FI-03 FI-04 FI-05 |
|
| Additional location information: | Blooms also in the N Baltic proper | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Bloom period: early July - end of August | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Nodularia spumigena
( cells/L)
Aphanizomenon flos-aquae ( cells/L) |
|
| Co-Ocurring Species/Genus: |
Dolichospermum spp.
( cells/L)
|
|
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | https://www.syke.fi/en-US/Current/Algal_reviews/Summary_of_the_national_cyanobacteria_re(63732) | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | The bloom was not tested for toxicity. Blooms of Nodularia spumigena in the Baltic Sea are hepatotoxic, and Dolichospermum sp. may also be hepatotoxic. Species identification was done by microscopy. | ||||||
| Economic losses: | |||||||
| Management decision: | Media was informed to alert people. The bloom situation was declared exceptional by Finnish environmental authorities and a special task group was appointed for July 2022 to inform media and citizens on up to a daily basis. | ||||||
| Additional harmful effect information: | |||||||
