Harmful Algal Information System: Event ID-12-001

General Information

Event name:	ID-12-001
Country:	INDONESIA
Nature of the harmful event:	Water Discoloration , Seafood toxins , Mass mortalities
Event directly affected:	Aquaculture Fish , Humans
Toxicity detected:	Yes
Associated syndrome:	PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):	Shellfish
Report the outcome of a monitoring programme:	Yes (PSP Ambon Bay monitoring)
Event occurred before in this location:	Yes (The first event occurred in July 1994)
Individuals to contact:	Intan, Mariana DB

Location & Date

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Location:	Latitude: -3.641667, Longitude: 128.235278
General location information:	Inner part of Ambon bay, Ambon HAB Area code(s): IND-01
Additional location information:	The bloom event spreading from Lateri to Passo village
Bloom event dates (yyyy/mm/dd):	Event Date:2012-07-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Pyrodinium bahamense Plate 1906 var. Bahamense (2496000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	27.84 µg/l
Additional bloom information:
Event-related bibliography:	Likumahua, S., 2013. Recent Blooming of Pyrodinium bahamense var. compressum in Ambon Bay, Eastern Indonesia. Marine Research in Indonesia 38, 31–37. https://doi.org/10.14203/mri.v38i1.54

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:

PHOSPHATE: 0.002763349 ppm

Temperature Range During Event:

Max: 29.13 °C, Min: °C

Salinity Range During Event:

Max: 30.56,

Bloom location in the water column:

Surface

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:

Thousands of cultured fish, e.g., Caranx sp. and Chromileptes altivelis were found dead and floated on water surface. Seven people, i.e. 2 children and 5 adults, were hospitalized for a week.

Created at 12:11 on 2 May 2024
Updated at 12:32 on 17 Feb 2025