General Information

Event name: DE-99-001
Country: GERMANY
Nature of the harmful event:
High Phyto concentration
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 (National BLMP programme.)
Event occurred before in this location: Yes
Individuals to contact: WASMUND, Norbert

Location & Date

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Location: Latitude: 54.315000, Longitude: 11.550000
General location information: Mecklemsburg Bight., Baltic Sea.
HAB Area code(s): DE-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1999-10-12,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Sample from 0 to 10 m, mixed sample, no additional sampling, so the duration is not clear.


Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia pungens (5,347,468 cells/L)
Pseudo-nitzschia sp. (709,358 cells/L)
Pseudo-nitzschia cf. Seriata
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 4.5 µg/L ChlŞ at 5 m depth. µg/l
Additional bloom information: In 5m depth: Temperature: 13,27 C, salinity: 17,5, PO4: 0,04µmol/, No3: 0,07 µmol/l, silicate: 4,04 µmol/l, NH4: 4 µmol/l
Event-related bibliography: Wasmund, N., et al (2000): Der biologische Zustand der Ostsee im Jahre 1999 auf der Basis von Phytoplankton- und Zooplanktonuntersuchungen.Meereswiss.Ber., Warnemünde, 43, 65pp.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 13.27 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 17.5 Current Velocity: 0
Nutrient information: AMONIUM: 0.04 µmol/l
NITRATE: 0.07 µmol/l
PHOSPHATE: 0.04 µmol/l
SILICATE: 4.04 µmol/l
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column: Whole column
Growth Comments
Additional Environmental information: Temperature, Salinity and Nutrient data were taken in 5m depth.

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: