| 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 |
|
| 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, |
|
| 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 |
|
| Co-Ocurring Species/Genus: |
Mesodinium sp.
( cells/L)
Noctiluca sp. ( cells/L) |
|
| 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 | |||||||||||
