Event name: | BR-16-003 | |
Country: | BRAZIL | |
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Seafood toxins , Foam/Mucilage in the coast | |
Event directly affected: |
Humans | |
Toxicity detected: | Yes (Approximate range: High levels of DSP with MBA) | |
Associated syndrome: | DSP | |
Unexplained toxicity: | ||
Species implicated in toxin transmission (transvector): | Perna perna | |
Report the outcome of a monitoring programme: | Yes (PNCMB) | |
Event occurred before in this location: | Yes (DSP is endemic) | |
Individuals to contact: | Proenca, Luis |
Location: | Latitude: -26.977778, Longitude: -48.583056 | |
General location information: |
Praia Larenjeiras, Santa Catarina HAB Area code(s): BR-18 |
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Additional location information: | The bloom was advedted to cover extense region, from Santa Catarina to São Paulo. | |
Bloom event dates (yyyy/mm/dd): |
Event Date:2016-05-23 Start: 2016-05-23, |
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Quarantine levels dates (yyyy/mm/dd): | First detection: 2017-05-25, End: 2017-07-12 | |
Additional date-related information: | The bloom lasted 55 days in Santa Catarina. |
Causative organism known: | Yes | |
Causative Species/Genus: |
Dinobryon sp.
(> 800000 cells/L)
DD. cf acuminata |
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Co-Ocurring Species/Genus: |
Mesodinium sp.
( cells/L)
Noctiluca sp. ( cells/L) |
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Chlorophyll concentration, if known: | µg/l | |
Additional bloom information: | ||
Event-related bibliography: | Proença, L.A.O.; Schramm, M.A .; Alves, T.P and and A. R. Piola. The extraordinary 2016 autumn DSP outbreak in Santa Catarina, Southern Brazil, explained by large-scale oceanographic processes. In: Proença, L. A. O. and Hallegraeff , G.M.(eds). Marine and Fresh-Water Harmful Algae. Proceedings of the 17th International Conference on Harmful Algae. International Society for the Study of Harmful Algae and Intergovernmental Oceanographic Commission of UNESCO 2017.p42-46 |
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Nutrient information: | ||||||||||||||||||||||||||
Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
Salinity Range During Event: | ||||||||||||||||||||||||||
Bloom location in the water column: | ||||||||||||||||||||||||||
Growth: |
Advected
In situ |
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Growth Comments | ||||||||||||||||||||||||||
Additional Environmental information: |
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Kit used: | Type of kit used: | |||||||||||
Additional information: | Higly toxic bloom accessed by MBA acetonic extract. | |||||||||||
Economic losses: | More than 12 milhon BR (aprox. US 4mi) | |||||||||||
Management decision: | Preventive closure along the whole Santa Catarina State coast. Closure were extended to Parana and São Paulo | |||||||||||
Additional harmful effect information: | Despite the ban, some human intoxication were reported due to recreative fishing |