| Event name: | NL-20-001 | |
| Country: | NETHERLANDS | |
|
Nature of the harmful event: |
High Phyto concentration , Mass mortalities , Foam/Mucilage in the coast | |
|
Event directly affected: |
Humans | |
| Toxicity detected: | No | |
| Associated syndrome: | OTHER | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | No | |
| Individuals to contact: | POELMAN, Marnix | |
| Location: | Latitude: 52.105278, Longitude: 4.260833 | |
| General location information: |
Northsea, Coastline Scheveningen HAB Area code(s): NL-02 |
|
| Additional location information: | A very temporary and local event. Due to unfavorable conditions coming together. | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2020-05-11 Start: 2020-04-19, End: 2020-05-11 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Bloom started in April 2020, collapsed in May | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Phaeocystis globosa
(38000000 cells/L)
Conditions at event site and date not known |
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | Philippart, K., A. Blauw, H. Bolhuis, K. Brandenburg, C. Brussaard, T. Gerkema, P. Herman, A. Hommersom, P. Jacobs, M. Laanen, M. van Leeuwe, A. van den Oever, S. Peters, M. Philippart, J. Pitarch, T. Prins, K. Ruddick, L. Spaias, D. van de Waal, D. Van der Zande & A. Zuur, 2020. Quick Scan Zeeschuim. Rapport van het Koninklijk Nederlands Instituut voor Onderzoek der Zee (NIOZ-NWOi), Bureau Waardenburg BV, Deltares, Highland Statistics, Italian National Research Council (CNR), Koninklijk Belgisch Instituut voor Natuurwetenschappen (KBIN), Nederlands Instituut voor Ecologie (NIOO-KNAW), Rijkswaterstaat (RWS-WVL), Technische Universiteit Delft (TUD), Universiteit van Amsterdam (UvA), Universiteit Utrecht (UU), Rijksuniversiteit Groningen (RUG) & Water Insight BV. Texel, mei 2020. | |
|
||||||||||||||||||||||||||
| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: | Advected | |||||||||||||||||||||||||
| Growth Comments | Beaten up foam was most likely wind-driven to accumulate. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
|
|||||||
| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | |||||||
| Additional harmful effect information: | On May 11th five water sports enthusiasts passed away due to a meters high sea foam in Scheveningen. This was probably caused by a combination of high winds and an exceptionally large amount of foam algae. | ||||||
