General Information

Event name: ID-97-005
Country: INDONESIA
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Natural Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (RCO - Red Tide National Monitoring Program (1991-1999))
Event occurred before in this location: No
Individuals to contact: Intan, Mariana DB

Location & Date

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Location: Latitude: , Longitude:
General location information: Pieh Island, West Sumatra coast
HAB Area code(s): IND-12
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1997-12-25, End: 1998-01-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gonyaulax spinifera (13500000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Praseno, D P, Y Fukuyo, R Wiadiarti, and Y Efendi. “The 1997/1998 HAB/Red Tide Blooms in Indonesian Waters.” In Proceedings of the Fourth ASEAN-Canada Technical Conference on Marine Sciences, Johor, 432–37. Johor, 1999.

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 03:47 on 20 Jan 2025
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