| Event name: | FR-92-011 | |
| 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: | ||
| 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 (510,000,000 cells/L); 1990 (1,000,000 cells L-¹); 1991 (26,000,000 cells L-¹).) | |
| Individuals to contact: | ||
| Location: | Latitude: , Longitude: | |
| General location information: |
Audierne Bay., SOUTHERN BRITTANY. HAB Area code(s): FR-07 |
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| Additional location information: | Area 4. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | February 10 to March 24, and November 23 to December 8. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Chaetoceros armatum
(1,120,000 cells/L)
during Feb-March. Chaetoceros armatum (8,520,000 cells/L) during Nov-Dec. |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | Chl a: 1.47 to 592.6 mg.m(-3) (March); 1.28 t µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | Advected | |||||||||||||||||||||||||
| Growth Comments | Probably advected population. | |||||||||||||||||||||||||
| Additional Environmental information: | Temperature: 8.2 to 9.8º C (March), 11.2 to 13º C (Nov). Salinity: 34 to 35‰ (March), 35 to 36‰ (Nov). Turbidity: 2.8 to 15 N.T.U. (March), 4 to 9.5 N.T.U (Nov). | |||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | Continued surveillance. | ||||||
| Additional harmful effect information: | Brown to black water. | ||||||
