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General Information

Event name: EG-94-001
Country: EGYPT
Nature of the harmful event:
 Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
 Natural Fish , Aquaculture Fish , Shellfish
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (recurrent summer phenomena)
Individuals to contact: ISMAEL, Amany

Location & Date

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Location: Latitude: 29.883333, Longitude: 31.216667
General location information: Eastern Harbour, Alexandria
HAB Area code(s): EG-02
Additional location information: Semi-closed basin
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium minutum Halim 1960 (24.4x106 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Labib, W. and Halim, Y. 1995. Diel vertical migration and toxicity of Alexandrium minutum Halim red tide, in Alexandria, Egypt. Mar. Life, Vol. 5 (1): 11-17.

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: 26.8 °C, Min: 25.5 °C
Salinity Range During Event: Max: 39.3, Min: 38.6
Bloom location in the water column:
Surface
Subsurface
Growth:
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: yes
Management decision:
Additional harmful effect information:
Created at 10:19 on 23 Aug 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES