General Information

Event name: BE-20-001
Country: BELGIUM
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Phytoplankton monitoring by Flanders Environmental Agency)
Event occurred before in this location: Yes (2001)
Individuals to contact: De Rijcke, Maarten

Location & Date

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Location: Latitude: 51.230556, Longitude: 2.951667
General location information: Spuikom, Ostend Harbor
HAB Area code(s): BE-01
Additional location information: Artificial, shallow lagoon with reduced tide.
Bloom event dates (yyyy/mm/dd): Event Date:2020-09-22
Start: 2020-09-22, End: 2020-10-08
Quarantine levels dates (yyyy/mm/dd): First detection: 2020-09-22, End: 2020-10-08
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata f. reniformis Pavillard 1905 (35000 cells/L)
Co-Ocurring Species/Genus: Prorocentrum lima (Ehrenberg) Stein 1878 (830 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: - 22/09/2020: 35.000 cells/L - 13/10/2020: 17.504 cells/L - 17/11/2020: < 100 cells/L
Event-related bibliography: not yet available

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses: unknown
Management decision: Closure of shellfish area
Additional harmful effect information:
Updated at 10:15 on 10 Oct 2022