General Information

Event name: UY-13-002
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):
Report the outcome of a monitoring programme: Yes (National Monitoring Program of Harmful Phytoplankton and Shellfish Toxicity)
Event occurred before in this location: Yes (This species had been produced toxicity in this área very frequently during 90´s)
Individuals to contact: MENDEZ, Silvia

Location & Date

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Location: Latitude: , Longitude:
General location information: , Arachania
HAB Area code(s): UY-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2013-10-21
Start: 2013-10-21, End: 2013-11-18
Quarantine levels dates (yyyy/mm/dd): First detection: 2013-10-24, End: 2013-11-12
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (7680 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

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: 19.6 °C, Min: 15.6 °C
Salinity Range During Event: Max: 32.2, Min: 27.8
Bloom location in the water column:
Subsurface
Growth: Advected
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Donax hanleyanus Saxitoxins Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: shellfish closure during quarantine levels
Additional harmful effect information:
Created at 08:01 on 18 Dec 2013
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES