| Event name: | FR-93-004 | |
| Country: | FRANCE | |
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Nature of the harmful event: |
Water Discoloration | |
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Event directly affected: |
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| Toxicity detected: | No | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | Yes (1989, 1990, 1992 in Morlaix Bay.) | |
| Individuals to contact: | ||
| Location: | Latitude: , Longitude: | |
| General location information: |
Morlaix river (site 033)., Northern Brittany. HAB Area code(s): FR-05 |
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| Additional location information: | Area 3. | |
| Bloom event dates (yyyy/mm/dd): | Start: 1993-07-12, End: 1993-07-15 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium minutum
(2,912,000 cells/L)
|
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Presence of cysts in the sediment. | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 18 °C, Min: 16 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 35, Min: 31 | |||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: |
In situ |
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| Growth Comments | In situ growth (presence of cysts in the sediment). | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||
| Additional information: | No PSP toxicity. | ||||||
| Economic losses: | |||||||
| Management decision: | Ban of shellfish marketing (preventive, because of the presence of PSP toxicity in Penzé River, nearby) from July 7 to 28. | ||||||
| Additional harmful effect information: | Reddish water. No PSP toxicity. | ||||||
