Harmful Algal Information System: Event DE-94-004

General Information

Event name:	DE-94-004
Country:	GERMANY
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes
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:	No
Individuals to contact:	CEMBELLA, Allan , ELBRÄCHTER, Malte

Location & Date

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Location:	Latitude: , Longitude:
General location information:	North Frisian Islands., North Sea. HAB Area code(s): DE-03
Additional location information:	In the East Frisian Wadden Sea. Exceptionally high densities of Dinophysis cells also occurred in the East Frisian Wadden Sea
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	End of July through beginning of August

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Dinophysis spp. (95,0 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:	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:

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:

Management decision:

Fishermen closed the areas as a precautionary measure

Additional harmful effect information:

At the end of July, DSP was detected in mussels (Mactra corallina) about 20 miles offshore (Amrumbank=name of the fishing waters). At the beginning of August, very high densities of Dinophysis were found. The fishermen did not collect the blue-mussels.

Updated at 05:44 on 15 Apr 2015
Checked at 05:44 on 15 Apr 2015