| Event name: | LV-99-001 | |
| 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: | No | |
| 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 1993, from mid-July till September.) | |
| Individuals to contact: | BALODE, Maija , PURINA, Ingrida | |
| Location: | Latitude: 57.333056, Longitude: 23.183056 | |
| General location information: |
Mersrags, Eastern part of the Gulf of Riga., 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:1999-08-04 Start: 1999-08-04, |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Detection date: 04/08/99 | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Nodularia spumigena
(105,100 (µ cells/L)
Detected by light microscopy. |
|
| Co-Ocurring Species/Genus: |
Anabaena sp.
(217,000 cells/L)
217,000 (100 µ filaments/L) |
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| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Nodularia spumigena composed 12.0 g/m3 (95% of the total cyanobacterial biomass and 94% of total phytoplankton biomass; 81 and 80% of the total number of counting units, respectively) | |
| Event-related bibliography: | ||
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| Nutrient information: |
AMONIUM:
0.8 µM/L
NITRATE: 0.1 µM/L PHOSPHATE: 0.01 µM/L SILICATE: 1.0 µM/L |
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| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
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| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
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