General Information

Event name: DE-97-003
Country: GERMANY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: DSP in blue mussels.)
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (In low numbers (<1,000 cells/L) nearly every year. High numbers (>1,000 cells/L) September 1997 with maximum 4200 cells/L)
Individuals to contact: HANSLIK, Michael

Location & Date

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Location: Latitude: , Longitude:
General location information: Lower Saxonia., Niedersachen.
HAB Area code(s): DE-04
Additional location information: Between Spiekeroog Island and Weser River.
Bloom event dates (yyyy/mm/dd): Event Date:1997-09-02
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: August - November 1997.


Causative organism known: Yes
Causative Species/Genus: Dinophysis sp. ( cells/L)
Dinophysis cf. acuminata
Dinophysis norvegica ( cells/L)
Dinophysis acuminata ( cells/L)
Dinophysis spp. (1,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Potentially toxic Dinophysis (D. acuminata, D. cf acuminata, D. norvegica)
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
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: Environment: Coastal waters

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information: DSP in blue mussels
Economic losses: There was no mussel harvesting at that time, so no economic losses were registered
Management decision: None, since no mussel fishery was involved
Additional harmful effect information:
Updated at 05:28 on 15 Apr 2015
Checked at 05:29 on 15 Apr 2015