General Information

Event name: TN-08-001
Country: TUNISIA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 0.23 to 1.04 g/l)
Associated syndrome: OTHER
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
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: 37.275556, Longitude: 9.880556
General location information: Bizerte Lagoon, Tunisia, HANA
HAB Area code(s): TN-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2008-08-01
Start: 2008-08-01, End: 2008-12-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Nitzschia bizertensis B.Smida, N.Lundholm, A.S.Hlaili & H.H.Mabrouk, 2014 (5.8x104 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Bouchouicha-Smida etal. 2015. Detection of domoic acid in Mytilus galloprovincialis and Ostrea edulis linked to the presence of Nitzschia bizertensis in the Bizerte lagoon (SW Mediterranean)' Estuarine, Coastal and Shelf Science, bind 165, s. 270-278.

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: economic effect on shellfish industry
Management decision:
Additional harmful effect information:
Created at 02:42 on 28 Sep 2018
Updated at 03:08 on 28 Sep 2018