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General Information

Event name: JP-00-084
Country: JAPAN
Nature of the harmful event:
 High Phyto concentration , Freshwater
Event directly affected:
Toxicity detected: No
Associated syndrome: Cyanobacterial toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: Xiao, Man

Location & Date

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Location: Latitude: 35.866667, Longitude: 140.016667
General location information: Lake Tega,
HAB Area code(s):
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Microcystis spp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Y. Amano et al., Effect of phosphorus fluctuation caused by river water dilution in eutrophic lake on competition between blue-green alga Microcystis aeruginosa and diatom Cyclotella sp. Journal of Environmental Sciences 22, 1666–1673 (2010).

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 02:57 on 10 Feb 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES