General Information

Event name: EG-87-001
Country: EGYPT
Nature of the harmful event:
Water Discoloration , Mass mortalities
Event directly affected:
Natural Fish
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 phenomena with red tide)
Individuals to contact: ISMAEL, Amany

Location & Date

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Location: Latitude: 29.883056, Longitude: 31.216667
General location information: ,
HAB Area code(s): EG-02
Additional location information: Eastern Harbour, Alexandria HAB Area code(s): EG-02
Bloom event dates (yyyy/mm/dd): Event Date:1987-06-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium minutum Halim 1960 (6x106 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Zaghloul, F.A. and Halim, Y., 1991. Long- term eutrophication in a semi-closed bay: The Eastern Harbour of Alexandria. Science of the Total Environment. Elsevier Science Publishers B.V., Amsterdam: 727-735.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Yes 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: 28.5 °C, Min: °C
Salinity Range During Event: Max: 38.8, Min: 28.2
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: anoxicity and/or gill clogging
Created at 09:58 on 23 Aug 2017
Updated at 10:10 on 23 Aug 2017