General Information

Event name: CL-09-006
Country: CHILE
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Aquaculture Fish , Shellfish
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: Yes (Ichthyotoxicity)
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (IFOP)
Event occurred before in this location: Yes (There are permanent PSP records in this region)
Individuals to contact: Jorge I. Mardones

Location & Date

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Location: Latitude: , Longitude:
General location information: C. Chacabuco, AysÚn
HAB Area code(s): CL-20
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2009-02-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella (538000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: IFOP reports

Environmental Conditions

Weather: Sunny and warm Turbidity (NTU): Wind direction:
Stratified water: Yes Oxygen content (nL/L): Wind velocity: 0.5 m/s
Temperature (°C): 13.7 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 25.5 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Surface
Subsurface
Growth:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Aulacomya ater Saxitoxins 14406 Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Harvest sites closure
Additional harmful effect information:
Created at 03:03 on 13 Dec 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES