General Information

Event name: PL-89-001
Country: POLAND
Nature of the harmful event:
High Phyto concentration , Mass mortalities
Event directly affected:
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Annually in June.)
Individuals to contact: MACKIEWICZ, Tomasz

Location & Date

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Location: Latitude: , Longitude:
General location information: Gulf of Gdansk, Southern Baltic.
HAB Area code(s): PL-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1989-06-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Laye May to early June

Microalgae

Causative organism known: Yes
Causative Species/Genus: Heterocapsa triquetra (54,000,000 cells/L)
June 1
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Calm 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:
In situ
Growth Comments Probably in situ growth with positive phototaxis of the algae.
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 fish seemed stressed and even some increase of mortality was observed.
Checked at 12:19 on 15 Apr 2015
IOC/UNESCO ISSHA
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