General Information

Event name: UY-04-001
Country: URUGUAY
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes
Individuals to contact: MENDEZ, Silvia

Location & Date

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Location: Latitude: , Longitude:
General location information: Piriapolis, Maldonado
HAB Area code(s): UY-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:004-02-04
Start: 004-02-18, End: 004-03-02
Quarantine levels dates (yyyy/mm/dd): First detection: 004-02-04, End: 004-03-10
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gymnodinium catenatum Graham 1943 (50680 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: 23 °C, Min: 21.5 °C
Salinity Range During Event: Max: 29.5, Min: 15.6
Bloom location in the water column:
Growth: Advected
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Saxitoxins Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: harvesting ban was established to prohibit shellfish commercialisation
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES