General Information

Event name: CL-91-004
Country: CHILE
Nature of the harmful event:
Seafood toxins
Event directly affected:
Humans
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Aulacomya ater
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (since 1908)
Individuals to contact: SCHWEIBOLD Laura

Location & Date

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Location: Latitude: , Longitude:
General location information: Seno Union, Magallanes
HAB Area code(s): CL-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1991-11-18
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Lagos, N., 1998. Microalgal blooms: a global issue with negative impact in Chile. Biol. Res. 31, 375386.

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: 125 people intoxicated, 2 died
Created at 02:34 on 19 Nov 2019
Updated at 02:38 on 19 Nov 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES