General Information

Event name: ID-99-003
Country: INDONESIA
Nature of the harmful event:
Water Discoloration , 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: No
Event occurred before in this location: No
Individuals to contact: Intan, Mariana DB

Location & Date

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Location: Latitude: 4.078333, Longitude: 117.573056
General location information: Nunukan Island, North Kalimantan
HAB Area code(s): IND-09
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1999-01-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Trichodesmium spp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Dwivayana, T.M.S., Thamrin, Efriyeldi, 2015. Analisis kelimpahan dinoflagellata bentik pada substrat buatan di perairan Kota Padang Sumatera Barat. J. Ilmu Lingkung. 9, 122–130. Adnan, Q. and Sidabutar, T., 2005. Fenomena Red Tide di Perairan Indonesia dan Sekitarnya.

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 01:39 on 30 Jun 2025
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