Harmful Algal Information System: Event OMN-88-002

General Information

Event name:	OMN-88-002
Country:	Oman
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:	No
Event occurred before in this location:	Yes (1976)
Individuals to contact:	QUOD, Jean-Pascal , SCHWEIBOLD Laura

Location & Date

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Location:	Latitude: 23.624444, Longitude: 58.383333
General location information:	From Al-Bustan to Qurm, Mascate HAB Area code(s): OMN-002
Additional location information:
Bloom event dates (yyyy/mm/dd):	Event Date:1988-03-01 Start: 1988-02-01, End: 1988-03-19
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Noctiluca scintillans (Macartney) Kofoid et Swezy 1921 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:	Thangaraja, M., Al-Aisry, A., & Al-Kharusi, L. (2007). Harmful algal blooms and their impacts in the middle and outer ROPME sea area. International Journal of Oceans and Oceanography, 2(1), 85-98.

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: 24.92 °C, Min: 22.48 °C

Salinity Range During Event:

Max: 36.6, Min: 36.1

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:

During the period, the red tide bloom killed a few species of fish namely, Atherinomorus lacunosus, Odonus niger and Diodon histrix, of which A. lacunosus was affected tremendously.

Created at 12:33 on 23 Mar 2021