General Information

Event name: CL-17-003
Country: CHILE
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity: No
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: Piazzi Island, Magallanes
HAB Area code(s): CL-14
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2007-12-06
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella (1100 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: IFOP data base

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Yes Oxygen content (nL/L): Wind velocity: 2.7 m/s
Temperature (°C): 8.5 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 27.4 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
Mytilus chilensis Saxitoxins 25128 ug STX eq 100g Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Hasvest sites closure
Additional harmful effect information:
Created at 01:27 on 13 Dec 2017
Updated at 02:09 on 13 Dec 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES