Harmful Algal Information System: Event FI-93-001

General Information

Event name:	FI-93-001
Country:	FINLAND
Nature of the harmful event:	Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected:	No
Associated syndrome:	Cyanobacterial toxins effects
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	Yes (Extensive cyanobacterial blooms were previously observed in the area in 1992.)
Individuals to contact:	RANTAJÄRVI, Eija

Location:	Latitude: , Longitude:
General location information:	Gulf of Finland and Bothnian Sea., HAB Area code(s):
Additional location information:	Large areas in the open western Gulf of Finland and the Bothnian Sea. Some minor areas in the northern parts of the eastern Gulf of Finland.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	July-September.

Causative organism known:	Yes
Causative Species/Genus:	Nodularia spumigena ( cells/L) Aphanizomenon flos-aquae ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:	Nodularia spumigena (hepatotoxic) and Aphanizomenon flos-aquae were the dominant species.
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Growth:

In situ

Growth Comments

In situ population in the sea area.

Additional Environmental 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:

Media informed

Additional harmful effect information:

Updated at 06:49 on 15 Dec 2019