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 |
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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) |
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Co-Ocurring Species/Genus: |
Dolichospermum spp.
( cells/L)
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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: |