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General Information

Event name: MDG-11-001
Country: MADAGASCAR
Nature of the harmful event:
 Seafood toxins
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: QUOD, Jean-Pascal

Location & Date

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Location: Latitude: -23.356389, Longitude: 43.645556
General location information: TULEAR,
HAB Area code(s): MAD-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2011-04-06
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Ostreopsis spp. ( 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:
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:
Additional harmful effect information: 296 people poisoned, 16 deaths.
Created at 03:36 on 8 Jan 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES