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General Information

Event name: EC-07-001
Country: ECUADOR
Nature of the harmful event:
 Water Discoloration
Event directly affected:
 Aquaculture Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (january 1996)
Individuals to contact: TORRES, Gladys

Location & Date

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Location: Latitude: -2.549167, Longitude: -79.866667
General location information: GUAYAS RIVER, GUAYAQUIL GULF
HAB Area code(s): EC-02
Additional location information: THE TYPE DE ECOSISTEM IS MANGROVE,NEAR AREA PROTECTED OF CHURUTE, AND THE LONG APROX 30 Km
Bloom event dates (yyyy/mm/dd): Start: 2007-01-04, End: 2007-01-14
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Chattonella marina (Subrahmanyan) Hara et Chihara 1982 (59.376.240 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Gyrodinium spiralis, Oxytoxum sp., Protoperidinium sp
Event-related bibliography:

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:
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:
Updated at 03:52 on 22 Apr 2025
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