General Information

Event name: BR-16-001
Country: BRAZIL
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Humans
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: MENDEZ, Silvia

Location & Date

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Location: Latitude: , Longitude:
General location information: Bahia beach, Northe Brazil
HAB Area code(s): BR-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2016-02-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Trichodesmium erythraeum (Ehrenberg) Gomont 1892 (3500000 cells/L)
trichomes per liter
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Helen Michelle de J. Affe1,2, Taiara A. Caires2,3, Eduardo M. da Silva1 y JosÚ Marcos de C. Nunes1. 2016.Trichodesmium erythraeum bloom on the tropical coastal region of Brazil.Rev. biol. mar. oceanogr. vol.51 no.1 .http://dx.doi.org/10.4067/S0718-19572016000100017

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 30 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 35 Current Velocity:
Nutrient information: NITRATE: 1.5 ÁM
PHOSPHATE: 0.6 ÁM
SILICATE: 0.3 ÁM
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: official 5 days shut down beaches
Additional harmful effect information: some people reported dermatitis after swiming on beaches
Created at 12:03 on 27 Sep 2017
Updated at 12:06 on 27 Sep 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES