| Event name: | NL-91-007 | |
| Country: | NETHERLANDS | |
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Nature of the harmful event: |
High Phyto concentration | |
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Event directly affected: |
Humans | |
| 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. Tidal Waters Division.) | |
| Event occurred before in this location: | No | |
| Individuals to contact: | WETSTEYN, L.P.M.J | |
| Location: | Latitude: 51.592222, Longitude: 3.302778 | |
| General location information: |
Delta Area, HAB Area code(s): NL-03 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): |
Event Date:1992-05-01 Start: 1992-05-01, End: 1992-09-30 |
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| Quarantine levels dates (yyyy/mm/dd): | First detection: 1992-05-01, End: 1992-09-30 | |
| Additional date-related information: | April-September. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Phaeocystis sp.
(10,000 - 1 cells/L)
Oosterchelde stations after spring bloom Phaeocystis sp. (1,000,000 cells/L) Station WSH April-May. Phaeocystis sp. (1,000,000 cells/L) Station WSV April-May Phaeocystis sp. (2,000,000 cells/L) Station OSL April-may. Phaeocystis sp. (4,000,000 cells/L) Station OSH April-May. Phaeocystis sp. (11,000,000 cells/L) Station OSR April-May. Phaeocystis sp. (1,000 - 10 cells/L) Westerchelde stations after spring bloom |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Phaeocystis also occurred at stations OSZ, LV, LG and WSS but always with low cell number. | |
| 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: |
Subsurface |
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| Growth: |
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | None. However, Phaeocystis is under interest by the authorities. | ||||||
| Management decision: | None. | ||||||
| Additional harmful effect information: | |||||||
