Event name: | FI-90-001 | |
Country: | FINLAND | |
Nature of the harmful event: |
High Phyto concentration , Mass mortalities | |
Event directly affected: |
Natural Fish | |
Toxicity detected: | No | |
Associated syndrome: | OTHER | |
Unexplained toxicity: | No | |
Species implicated in toxin transmission (transvector): | ||
Report the outcome of a monitoring programme: | Yes | |
Event occurred before in this location: | No | |
Individuals to contact: |
Location: | Latitude: , Longitude: | |
General location information: |
A small coastal inlet in Dragsfjärd, SOUTHWEST FINLAND HAB Area code(s): FI-04 |
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Additional location information: | ||
Bloom event dates (yyyy/mm/dd): | ||
Quarantine levels dates (yyyy/mm/dd): | ||
Additional date-related information: | End of June |
Causative organism known: | Yes | |
Causative Species/Genus: |
Prymnesium parvum
(50,000,000 cells/L)
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Co-Ocurring Species/Genus: | ||
Chlorophyll concentration, if known: | Before the bloom Chl a 5-10 µg dm(-3). µg/l | |
Additional bloom information: | ||
Event-related bibliography: | Lindholm and Virtanen, 1992: https://doi.org/10.1002/tox.2530070207 |
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Nutrient information: |
NITRATE:
710-810 µg dm(-3)
PHOSPHATE: 30-36 µg dm(-3) |
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Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | ||||||||||||||||||||||||||
Bloom location in the water column: | ||||||||||||||||||||||||||
Growth: |
In situ |
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Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: | Water slightly brownish. All values higher than in the archipelago outside the canal. pH: 9.2-9.5. |
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Kit used: | Type of kit used: | ||||||
Additional information: | |||||||
Economic losses: | |||||||
Management decision: | The authorities were informed quite late. Thus sampling was performed when many rotten fishes were still observed. The media was informed. | ||||||
Additional harmful effect information: | Dead and dying fishes of many different species. |