General Information

Event name: TN-95-001
Country: TUNISIA
Nature of the harmful event:
Mass mortalities
Event directly affected:
Natural Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Alexandrium tamarense and A. minutum
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: ISMAEL, Amany

Location & Date

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Location: Latitude: 37.150000, Longitude: 10.200000
General location information: Ghar El-Melh, Tunisia, HANA
HAB Area code(s): TN-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1995-05-15
Start: 1995-05-01, End: 1995-06-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (134000 cells/L)
Co-Ocurring Species/Genus: Alexandrium minutum ( cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Romdhane, M. S., Eilertsen, H. C., Yahia, K. D. & Yahia, M. N. D. 1998. Toxic dinoflagellate blooms in Tunisian lagoons: causes, and consequences for aquaculture. In: Reguera, B., Blanco, J., Fernandez, L. & Wyatt, T. [Eds.] Harmful algae. Proceedings of the VIII International Conference on Harmful Algae. Xunta de Galicia and Intergovernmental Oceanographic Commission of UNESCO, Vigo, Spain, pp. 80-83.

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:
Created at 01:16 on 18 Jun 2018
Updated at 09:18 on 19 Jun 2018