| Event name: | NL-89-009 | |
| Country: | NETHERLANDS | |
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Nature of the harmful event: |
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: | Yes (Phytoplankton Monitoring program. Rijkswaterstaat's North Sea Directorate.) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | WETSTEYN, L.P.M.J | |
| Location: | Latitude: , Longitude: | |
| General location information: |
, Wadden Sea. HAB Area code(s): NL-01 |
|
| Additional location information: | stations W30, W420, W590, E250. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | July-October. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Gyrodinium aureolum
(150-1,900 cells/L)
Station W590 Gyrodinium aureolum (100-600 cells/L) Station W420 Gyrodinium aureolum (600 - 6,50 cells/L) Station w30 Gyrodinium aureolum (200 cells/L) Station E250 |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Founded in a few samples. | |
| 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: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | Although the toxicity measured by the rat bioassays was low, closure of musselproduction in the western Wadden sea during October-November was necessary. | ||||||
| Additional harmful effect information: | In 1989 DSP was measured in samples from the western Wadden sea. | ||||||
