General Information

Event name: UY-03-001
Country: URUGUAY
Nature of the harmful event:
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: Yes
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:2003-01-24
Start: 2003-01-21, End: 2003-01-28
Quarantine levels dates (yyyy/mm/dd): First detection: 2003-01-24, End: 2003-02-14
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gymnodinium catenatum Graham 1943 (22240 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Méndez S.M. and Galli O. 2008. Environmental conditions associated with blooms of paralizing poison producing dinoflagellate. In : Congresso Brasileiro de Ficologia, II SImposio Latino americano about harmful algae, 2006, Itajai; SC. Aplicaçoes gives Ficologia. Anais of Rio de Janeiro: National Museum p243-257. Organizaçao da Sociedade Brasileira Ficologia, Serie Livros, 30.

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: 22 °C, Min: 23.5 °C
Salinity Range During Event: Max: 26.3, Min: 23.7
Bloom location in the water column:
In situ
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:
Updated at 07:36 on 23 Mar 2018
Checked at 03:04 on 9 Oct 2020