General Information

Event name: UY-94-001
Country: URUGUAY
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
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:
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: 1994-02-25, End: 1994-03-17
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gymnodinium catenatum Graham 1943 (3600 cells/L)
Co-Ocurring Species/Genus: Gyrodinium sp. (40000000 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: amendez,S.M. Ferrari G., 2002.FLORACIONES ALGALES NOCIVAS EN URUGUAY: ANTECEDENTES, PROYECTOS EN CURSO Y REVISIÓN DE RESULTADOS. FLORACIONES ALGALES NOCIVAS EN EL CONO SUR AMERICANO Sar, E.A., M.E. Ferrario & B. Reguera Instituto Español de Oceanografía, Pub Especial del Inst Espanol de Oceanografia p269-289

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 24 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 22.5 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
In situ
Growth Comments we suspect a in situ growth because ther were found big concentrations of G catenatum cyst in the area
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: shellfish closure
Additional harmful effect information:
Created at 11:18 on 28 Sep 2017
Updated at 11:20 on 28 Sep 2017