General Information

Event name: GR-18-001
Country: GREECE
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: SCHWEIBOLD Laura , ALIGIZAKI Katerina

Location & Date

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Location: Latitude: 40.638889, Longitude: 22.891667
General location information: Thermaikos, North-West Aegean Sea
HAB Area code(s): GR-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2018-11-09
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Noctiluca scintillans (2x10^5 cells/L)
Co-Ocurring Species/Genus: Gonyaulax spinifera (10^3 cells/L)
Goniaulax sp. (10^5 cells/L)
Gonyalax hyalina
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: unpublished data of LUHMM-AUTH

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: visual nuisance for locals
Created at 12:10 on 13 Dec 2019
Updated at 12:11 on 13 Dec 2019