General Information

Event name: CN-12-002
Country: CHINA
Nature of the harmful event:
Water Discoloration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (China HAB Monitcring Programme)
Event occurred before in this location:
Individuals to contact: GUAN, Chunjiang

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Qinhuangdao, Hebei Province
HAB Area code(s): CN-03
Additional location information: The coverage of the bloom is about 3400kmē
Bloom event dates (yyyy/mm/dd): Event Date:2013-04-23
Start: 2012-06-08, End: 2012-08-20
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: More detials in China Disaster Bulletin

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 09:54 on 23 Apr 2013
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES