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General Information

Event name: MY-19-001
Country: MALAYSIA
Nature of the harmful event:
 Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
 Natural Fish , Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: Leaw, Chui Pin , Lim, Po Teen

Location & Date

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Location: Latitude: 5.461667, Longitude: 100.209722
General location information: Teluk Bahang, Penang
HAB Area code(s): MY-5
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2019-08-13
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Coscinodiscus sp. (25000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 53.6 µg/l
Additional bloom information:
Event-related bibliography:

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 10:51 on 20 Oct 2019
Updated at 09:15 on 12 Feb 2020
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES