General Information

Event name: NL-07-002
Country: NETHERLANDS
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: No
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (National Shellfish Quality Program)
Event occurred before in this location: Yes
Individuals to contact: POELMAN, Marnix

Location & Date

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Location: Latitude: , Longitude:
General location information: Waddensea, West
HAB Area code(s): NL-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2007-09-18
Start: 2007-09-05, End: 2007-10-17
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (320 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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: 16 °C, Min: 17 °C
Salinity Range During Event:
Bloom location in the water column: Whole column
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Okadaic Acid OA none Bioassay-Rat
Mytilus edulis Okadaic Acid OA 41 ug/kg LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses: Not known
Management decision: Only administrative measures. All harvested shellfish were registered, and toxin analyses at the sourcing area was performed.
Additional harmful effect information:
Updated at 01:56 on 22 Feb 2018