General Information

Event name: UY-17-002
Country: URUGUAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Lipophilic toxins had been recurrent the last years in this area)
Individuals to contact: MENDEZ, Silvia

Location & Date

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Location: Latitude: -34.950000, Longitude: -54.933333
General location information: Punta del Este, Maldonado
HAB Area code(s): UY-02
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-09-21,
Additional date-related information: the molluscs are still toxic

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis ovum Schütt sensu Martin 1929 (200 cells/L)
Dinophysis caudata (300 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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: 17 °C, Min: °C
Salinity Range During Event: Max: 21.8,
Bloom location in the water column:
Surface
Growth:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Okadaic Acid Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: closure of mullus extraction and commercialization
Additional harmful effect information:
Created at 06:58 on 22 Mar 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES