General Information

Event name: CL-99-001
Country: CHILE
Nature of the harmful event:
Water Discoloration , 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: -53.366667, Longitude: -73.416667
General location information: Canal Abra, Magallanes
HAB Area code(s): CL-16
Additional location information: Occured between Canal Abra (53°22’ S – 73° 25’ W) and Punta Carrera (53° 35’ S – 70° 55’ W)
Bloom event dates (yyyy/mm/dd): Event Date:1999-04-08
Start: 1999-04-08, End: 1999-04-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gymnodinium spp. (43000 cells/L)
2 morphs suspected
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: hundreds of sea urchins, sea stars, octopuses and congers were washed ashore. the death of 700 scallops (Chlamys patagonica), mantained experimentally in Punta Carrera since December 1998 was verified
Created at 02:52 on 21 Nov 2019
Updated at 02:53 on 21 Nov 2019