General Information

Event name: ITA-01-002
Country: ITALY
Nature of the harmful event:
Mass mortalities , Foam/Mucilage in the coast
Event directly affected:
Shellfish , Seaweed
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (in 1998 and 2000, reported in the same paper and recorded in HAEDAT)
Individuals to contact: ZINGONE, Adriana , SANSONI, Giuseppe

Location & Date

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Location: Latitude: 44.004444, Longitude: 10.102778
General location information: Massa and Carrara coasts, Tuscany
HAB Area code(s): ITA-015
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2001-06-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus: Ostreopsis ovata (not recorded cells/L)
Brownish gelatinous layer in the benthos, turbidity and mucilage in the water
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Sansoni, G., Borghini, B., Camici G., Casotti, M., Righini, P. & Rustighi, C. 2003. Fioriture algali di Ostreopsis ovata (Gonyaulacales: Dinophyceae): un problema emergente. Biologia Ambientale 17:17-23

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: The situation on underwater rocks was not so bad as in previous years but the reddish-brownish gelatinous layer was present

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 04:26 on 19 Jul 2019
Updated at 04:28 on 19 Jul 2019