General Information

Event name: UY-93-003
Country: URUGUAY
Nature of the harmful event:
Water Discoloration
Event directly affected:
Toxicity detected: No
Associated syndrome:
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: -34.866667, 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:1993-01-08
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Scrippsiella trochoidea (14000000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Ferrari, G. y S. M. Méndez. 2000. Report of phytoplankton species producing coastal water discoloration in Uruguay. Iheringia ( Serie Botánica) (54): 3-18 Porto Alegre.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 21 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 28 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: public alert becasue coastal waters turned to brownish
Additional harmful effect information:
Created at 09:43 on 2 Apr 2018