General Information

Event name: JP-02-037
Country: JAPAN
Nature of the harmful event:
High Phyto concentration , Other ( Color bleaching damage of Porphyra (Nori))
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: No
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), Kyushu
HAB Area code(s): JP-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2002-02-12, End: 2002-04-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Eucampia zodiacus (5,600,000 cells/L)
Bacillariophyceae
Co-Ocurring Species/Genus: Skeletonema costatum (267,000 cells/L)
Bacillariophyceae
Chaetoceros spp. (307,000 cells/L)
Bacillariophyceae
Chaetoceros socialis (2,128,000 cells/L)
Bacillariophyceae
Asterionellopsis glacialis (678,000 cells/L)
Bacillariophyceae
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: Fisheries damage unknown
Management decision:
Additional harmful effect information:
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES