General Information

Event name: DK-01-002
Country: DENMARK
Nature of the harmful event:
Water Discoloration , Foam/Mucilage in the coast
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 (NOVA monitering programme.)
Event occurred before in this location: Yes
Individuals to contact: ANDERSEN, Per

Location & Date

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Location: Latitude: , Longitude:
General location information: Western Baltic/Belt Sea.,
HAB Area code(s): DK-01
Additional location information: The bloom covered several km2 and km of shoreline. ICES Fishing Area: III c.
Bloom event dates (yyyy/mm/dd): Start: 2001-07-23, End: 2001-08-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: The bloom started in the eastern part of the baltic and was transported west into the Belt Sea and Oeresund.


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena ( cells/L)
Discolored water.
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: Yes 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
In situ
Growth Comments Combination of advection and in-situ growth.
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: indirect loss - tourist industry ?? Dkr
Management decision: The public was warned (poster on beaches, newspaper information, radio and television as well as by national as well as local authorities to stay out of the water in locations with discoloration of the water.
Additional harmful effect information:
Updated at 04:59 on 8 Sep 2019