| Event name: | LV-99-002 | |
| Country: | LATVIA | |
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Nature of the harmful event: |
Water Discoloration , High Phyto concentration | |
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Event directly affected: |
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| Toxicity detected: | Yes (Approximate range: 18-87 mkrg MC-LR /mg DW.) | |
| Associated syndrome: | ||
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | Yes (Detected annually from mid-July till September.) | |
| Individuals to contact: | BALODE, Maija , PURINA, Ingrida | |
| Location: | Latitude: 57.066667, Longitude: 23.966667 | |
| General location information: |
Estuary zone of River Daugava, Southern part, Gulf of Riga, Latvia. HAB Area code(s): LV-02 |
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| Additional location information: | ICES fishing area: 28. | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:1999-09-02 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Detection date: 02/09/99 | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Microcystis spp.
(35,000,000 cells/L)
Detected by light microscopy. Aphanizomenon flos-aquae (142,400 (1 cells/L) |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: |
AMONIUM:
4 µM/L
NITRATE: 4.78 µM/L PHOSPHATE: 1.44 µM/L |
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| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: |
Surface |
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