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General Information

Event name: DE-89-001
Country: GERMANY
Nature of the harmful event:
 Water Discoloration
Event directly affected:
Toxicity detected: No
Associated syndrome:
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: LENZ, Jürgen

Location & Date

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Location: Latitude: , Longitude:
General location information: Frisian coast., North Sea.
HAB Area code(s): DE-03
Additional location information: East and North Frisian coast.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: May 89.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Phaeocystis sp. (30,000 - 4 cells/L)
in Norderney island.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Probably P. Globosa.
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): 0.5 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: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: The water was tinged brown and an acrid oudour (probably dimethyl-sulphide) was notices up to the island.
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES