General Information

Event name: UY-14-001
Country: URUGUAY
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (National Monitoring Program on HAB)
Event occurred before in this location: Yes
Individuals to contact: MENDEZ, Silvia

Location & Date

[View larger map]
Location: Latitude: -34.600000, Longitude: -54.149722
General location information: Arachania, Rocha
HAB Area code(s): UY-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2014-01-17
Start: 2014-01-13, End: 2014-02-10
Quarantine levels dates (yyyy/mm/dd): First detection: 2014-01-17, End: 2014-04-10
Additional date-related information: DSP toxic mussels were registeded since January 17 2014 and additionally PSP toxic levels were registered since March 7 2014 at the same area.


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (15600 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): 28.5 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 22.4 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth: Advected
Growth Comments suspected advected bloom of G catenatum because the highest concentration occurred a t the very beginning of the event.
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 was established from January 17 to April 10 2014.
Additional harmful effect information:
Created at 07:25 on 25 May 2015
Updated at 07:47 on 22 Mar 2018