General Information

Event name: JP-01-028
Country: JAPAN
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Seaweed
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:
Individuals to contact: WATANABE, Yasunori , IMAI, Ichiro , ITAKURA, Shigeru

Location & Date

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Location: Latitude: , Longitude:
General location information: Ariake Bay, Kumamoto Prefecture, West-Kyusyu
HAB Area code(s): JP-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2001-11-26, End: 2001-12-04
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Chaetoceros spp. ( cells/L)
Co-Ocurring Species/Genus: Asterionellopsis glacialis (Castracane) Round (in Round et al., 1990) ( cells/L)
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: 0
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: Uncertain
Management decision:
Additional harmful effect information: Caused color bleaching damage of Porphyra (Nori)
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES