General Information

Event name: BR-16-002
Country: BRAZIL
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: up to 3.400 eqSTX ug/Kg)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): No reported intoxication
Report the outcome of a monitoring programme: Yes (PNCMB)
Event occurred before in this location: No
Individuals to contact: Proenca, Luis

Location & Date

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Location: Latitude: -26.985833, Longitude: 48.564167
General location information: Porto Belo, Sata Catarina Coast
HAB Area code(s): BR-18
Additional location information: large bloom, about 60 km long close to the coast and aquaculture areas
Bloom event dates (yyyy/mm/dd): Event Date:2017-10-18
Start: 2017-10-18, End: 2017-11-10
Quarantine levels dates (yyyy/mm/dd): First detection: 2017-10-18, End: 2017-11-10
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Alexandrium sp. (11.000 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: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth: Advected
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Perna perna Saxitoxins 3400eq STX ug/kg Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Preventive closure
Additional harmful effect information:
Created at 02:59 on 10 Nov 2017
Updated at 03:00 on 10 Nov 2017