Home Browse Events Search Events Add Event Browse Grids Contact Login

General Information

Event name: JP-14-025
Country: JAPAN
Nature of the harmful event:
 Water Discoloration , Mass mortalities
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: Yes
Event occurred before in this location:
Individuals to contact: SAKAMOTO, Setsuko

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Koshiki Island, Urauchi Bay
HAB Area code(s): JP-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2014-05-02, End: 2014-05-19
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Octactis octonaria (Ehrenberg) Hovasse 1946 (1,116,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
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:
Created at 09:32 on 25 Aug 2015
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES