General Information

Event name: UY-80-001
Country: URUGUAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Mytilus edulis,
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: MENDEZ, Silvia

Location & Date

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Location: Latitude: -34.764167, Longitude: -53.705556
General location information: Piriapolis hasta Barra del Chuy, Maldonado, Rocha
HAB Area code(s): UY-01 UY-02
Additional location information: Started in UY-02 and 10 days after afected also UY-01
Bloom event dates (yyyy/mm/dd): Event Date:1980-02-16
Quarantine levels dates (yyyy/mm/dd): First detection: 1980-02-16, End: 1980-12-19
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gonyaulax sp. ( cells/L)
Gymnodinium sp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Davison, P. & C.M.Yentsch, 1985. Occurrence of toxic dinoflagellate and shellfish toxin along coast Uruguayan, South America. En: Toxic Dinoflagellates, Elsevier Science Publishing Co., Inc., Anderson, White and Baden (Eds.), 153-158.

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:
Management decision: harvest the area during the toxic period
Additional harmful effect information: 60 people intoxicated
Created at 05:46 on 20 Dec 2013
Updated at 10:00 on 5 Dec 2019