General Information

Event name: CL-99-002
Country: CHILE
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins , Mass mortalities
Event directly affected:
Natural Fish , Aquaculture Fish , Shellfish
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: SCHWEIBOLD Laura

Location & Date

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Location: Latitude: -42.500000, Longitude: -73.916667
General location information: Chiloe Island, Los Lagos
HAB Area code(s): CL-02
Additional location information: Happened all around Chiloe Island
Bloom event dates (yyyy/mm/dd): Event Date:1999-03-15
Start: 1999-03-15, End: 1999-04-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gymnodinium sp. (4 000 000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Uribe, Juan Carlos; Ruiz, Milena Gymnodinium Brown Tide in the Magellanic Fjords, Southern Chile. Revista de Biología Marina y Oceanografía, vol. 36, núm. 2, diciembre, 2001, pp. 155-164

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 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: death of more than 750,000 farmed salmonids, equivalent to 1,155 tons, in various centers of that archipelago. Others species, such as abalone and native fauna were also affected
Created at 03:05 on 21 Nov 2019