General Information

Event name: CN-01-018
Country: CHINA
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (China Red Tide Monitoring Programme)
Event occurred before in this location: Yes
Individuals to contact: WANG, Jinhui

Location & Date

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Location: Latitude: , Longitude:
General location information: Daya Bay, Guandong province
HAB Area code(s): CN-09
Additional location information: The coverage of bloom is about 240 Km2
Bloom event dates (yyyy/mm/dd): Start: 2001-07-10, End: 2001-07-13
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Skeletonema costatum ( cells/L)
Monospecific bloom
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: More details 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 09:48 on 8 Jan 2013