General Information

Event name: UY-21-001
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
Event occurred before in this location: Yes (every year)
Individuals to contact: MARTINEZ, Ana

Location & Date

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Location: Latitude: , Longitude:
General location information: UY-01 and UY-02,
HAB Area code(s): UY-02
Additional location information: Punta del Este y Arachania
Bloom event dates (yyyy/mm/dd): Event Date:2021-05-18
Start: 2021-05-11, End: 2021-06-01
Quarantine levels dates (yyyy/mm/dd): First detection: 2021-05-18, End: 2021-06-01
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis ovum Schütt, 1895 sensu Martin, 1929 (66688 cells/L)
Co-Ocurring Species/Genus: Akashiwo sanguinea (Hirasaka) Hansen et Moestrup 2000 (1689504 cells/L)
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): 18 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 25 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
Dinophysis cf ovum Okadaic Acid Bioassay-Mouse
Kit used: No Type of kit used:
Additional information: positive animal assay
Economic losses:
Management decision: establishment of harvesting ban
Additional harmful effect information:
Created at 04:54 on 7 Jun 2021
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES