| Event name: | FI-90-001 | |
| Country: | FINLAND | |
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Nature of the harmful event: |
High Phyto concentration , Mass mortalities | |
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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. | ||||||