General Information

Event name: UY-22-002
Country: URUGUAY
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish
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 (frequently)
Individuals to contact: MARTINEZ, Ana

Location & Date

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Location: Latitude: , Longitude:
General location information: , Maldonado y Rocha
HAB Area code(s): UY-01 UY-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2022-02-07
Start: 2022-02-07, End: 2022-03-31
Quarantine levels dates (yyyy/mm/dd): First detection: 2022-02-07, End: 2022-03-31
Additional date-related information: Rocha continue band until April 29

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis caudata (3426 cells/L)
Dinophysis acuminata (26000 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): 21.8 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 30.2 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Donax hanleyanus Okadaic Acid Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: ban establishment
Additional harmful effect information:
Created at 07:03 on 3 Feb 2023
Updated at 07:06 on 3 Feb 2023
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES