Home Browse Events Search Events Add Event Browse Grids Contact Login

General Information

Event name: JP-17-005
Country: JAPAN
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: Yes
Event occurred before in this location:
Individuals to contact: SAKAMOTO, Setsuko

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: shin-nagasaki　harbor, Western Kyushu
HAB Area code(s): JP-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2017-04-07, End: 2017-04-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: 1days

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dictyocha spp. (1900 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Kyushu Kaiiki no Akashio (2017) (in Japanese), NS-07

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: about 300000 yen
Management decision:
Additional harmful effect information:
Created at 07:40 on 31 Jul 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES