General Information

Event name: UY-92-004
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 (National Monitoring Program on Harmful Phytoplankton and Shellfish Toxicity)
Event occurred before in this location: Yes (this area is often afected by this toxins)
Individuals to contact: MENDEZ, Silvia

Location & Date

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Location: Latitude: -34.866667, Longitude: -55.266667
General location information: Piriapolis, Maldonado
HAB Area code(s): UY-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1992-02-17
Start: 1992-01-13, End: 1992-02-03
Quarantine levels dates (yyyy/mm/dd): First detection: 1992-02-17, End: 1992-03-16
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (1500 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Ferrari, G. Méndez, S. y A. Brazeiro. 2000. Dinophysis acuminata associated to diarrehtic shellfish poisoning reports in Uruguay. Frente Marítimo. Vol. 19: 91-95.

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: 24 °C, Min: 21.5 °C
Salinity Range During Event: Max: 31.8, Min: 19.6
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
Mytilus edulis Okadaic Acid Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: closure of bivalve molluscs
Additional harmful effect information:
Created at 02:33 on 27 Dec 2013
Updated at 04:41 on 27 Sep 2017