General Information

Event name: GR-87-010
Country: GREECE
Nature of the harmful event:
High Phyto concentration , Mass mortalities
Event directly affected:
Natural Fish , Aquaculture Fish , Humans
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (1977)
Individuals to contact: SCHWEIBOLD Laura

Location & Date

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Location: Latitude: 37.066667, Longitude: 23.600000
General location information: Saronikos,
HAB Area code(s): GR-06
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1987-10-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Karenia brevis (Chang) Hansen et Moestrup 2000 (2,7x10^7 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Pagou, K.; Ignatiades, L. The periodicity of Gymnodinium breve (Davis) in Saronicos Gulf, Aegean Sea. In Toxic Marine Phytoplankton; Granéli, E., Sundström, B., Edler, L., Anderson, D.M., Eds.; Elsevier: Amsterdam, The Netherland, 1990; pp. 206–208.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
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:
Management decision:
Additional harmful effect information: Massive fish kill
Created at 02:06 on 4 Dec 2019
Updated at 12:25 on 5 Dec 2019