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General Information

Event name: DE-90-001
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: Yes (Phaeocystis blooms occur regularly along this coast.)
Individuals to contact: LENZ, Jürgen

Location & Date

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Location: Latitude: , Longitude:
General location information: Frisian coast, East and North., North Sea.
HAB Area code(s): DE-03
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1990-04-01, End: 1990-06-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Two blooms occurred, a lesser one in April and a more marked one in May/June.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Phaeocystis sp. (5,400 cells/L)
in April.
Phaeocystis sp. (13,000 cells/L)
in May/June.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Probably P. globosa.
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: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES