General Information

Event name: CL-18-001
Country: CHILE
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Toxicity detected: Yes (Approximate range: OA, PTX2, DTX1 and YTX)
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (but in low cell concentrations)
Individuals to contact: Jorge I. Mardones

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Seno Magdalena, AysÚn
HAB Area code(s): CL-27
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2018-02-16
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuta (118700 cells/L)
Highest worldwide cell concentration ever recorded
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: diaz et al., 2018. Floracion excepcional de Dinophysis acuta en el fiordo Puyuhuapi, Patagonia Noroccidental. Marine Science conference, Valdivia, Chile.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Yes Oxygen content (nL/L): 5.8 Wind velocity:
Temperature (°C): 15.9 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 23.4 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
In situ
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: Mass Spectrometry detection of OA, PTX2, DTX1 and YTX.
Created at 03:22 on 10 Apr 2018