Harmful Algal Information System: Event NO-87-003

General Information

Event name:	NO-87-003
Country:	NORWAY
Nature of the harmful event:	Water Discoloration
Event directly affected:
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	Yes (The occurrence was very similar to the year 1986.)
Individuals to contact:	DAHL, Einar

Location & Date

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Location:	Latitude: , Longitude:
General location information:	, SOUTHERN AND WESTERN COAST. HAB Area code(s): NO-06 NO-07 NO-08 NO-09 NO-10 NO-11
Additional location information:	A large scale phenomenon.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	September - October.

Microalgae

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

Environmental Conditions

Weather:		Turbidity (NTU):	Wind direction:
Stratified water:	No	Oxygen content (nL/L):	Wind velocity:
Temperature (°C):		Oxygen saturation %:	Current Direction:
Sechhi disk (m):		Salinity:	Current Velocity:	0

Nutrient information:

Temperature Range During Event:

Max: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Growth:

Advected

Growth Comments

Advocated and concentrated by hydrographical processes.

Additional Environmental information:

No data.

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:

The results from the algae monitoring programme were transmitted through MARINET, a computer based information system owned by the fish farmers central administration.

Additional harmful effect information:

Updated at 03:30 on 2 Dec 2019