General Information

Event name: NL-22-002
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 86 ug / kg shellfish product)
Associated syndrome: OTHER
Unexplained toxicity: Yes
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Sanitair program government)
Event occurred before in this location: Yes (Detected since the first monitoring in 2016)
Individuals to contact: POELMAN, Marnix

Location & Date

[View larger map]
Location: Latitude: 51.486389, Longitude: 4.135833
General location information: Eastern Scheldt, Eastern part (de Kom)
HAB Area code(s): NL-03
Additional location information: Nontoxic bloom event.
Bloom event dates (yyyy/mm/dd): Event Date:2022-06-15
Start: 2022-06-13, End: 2022-06-20
Quarantine levels dates (yyyy/mm/dd): First detection: 2022-06-20, End: 2022-06-20
Additional date-related information: One week of closure for the shellfish sector.


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction: NE
Stratified water: No Oxygen content (nL/L): Wind velocity: 3
Temperature (°C): 19 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 30 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth: Advected
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: LC-MS was used in accordance with the EUNRL standards.
Economic losses: One week closure of the main harvesting are for mussel and oyster.
Management decision: The area was closed for shellfish harvest.
Additional harmful effect information:
Created at 09:32 on 21 Mar 2023
Updated at 09:35 on 21 Mar 2023