General Information

Event name: AR-07-001
Country: ARGENTINA
Nature of the harmful event:
High Phyto concentration , Seafood toxins , Freshwater
Event directly affected:
Humans
Toxicity detected: Yes (Approximate range: 48.6 µg/L)
Associated syndrome: Cyanobacterial toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: Xiao, Man

Location & Date

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Location: Latitude: -31.241944, Longitude: -57.938056
General location information: Salto Grande Dam,
HAB Area code(s): AR-36
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2007-01-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Microcystis spp. (31600 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: L. Giannuzzi, D. Sedan, R. Echenique, D. Andrinolo, An acute case of intoxication with cyanobacteria and cyanotoxins in recreational water in Salto Grande Dam, Argentina. Mar. Drugs 9, 2164–2175 (2011).

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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Microcystis sp. Microcystins MC-LR 48.6 µg/L LC
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: One man hospitalized, with nausea, abdominal pain, fever, dyspnea, respiratory distress, hepatotoxicosis
Created at 12:46 on 30 Jan 2019
Updated at 11:16 on 14 Nov 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES