Harmful Algal Information System: Event FI-14-001

General Information

Event name:	FI-14-001
Country:	FINLAND
Nature of the harmful event:	High Phyto concentration
Event directly affected:	Humans
Toxicity detected:	No
Associated syndrome:	Cyanobacterial toxins effects
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (Finnish phytoplankton monitoring)
Event occurred before in this location:	Yes (Ca 10 years ago there was a similar long-lasting and wide bloom,)
Individuals to contact:	LEHTINEN, Sirpa

Location & Date

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Location:	Latitude: , Longitude:
General location information:	Baltic Sea: South-western Finnish sea areas + northern Baltic Proper + southern Archipelago Sea, Baltic Sea: south-western Finnish sea areas + HAB Area code(s): FI-04
Additional location information:	Large area of Nodularia spumigena bloom in the south-western Finnish sea areas + northern Baltic Proper + southern Archipelago Sea
Bloom event dates (yyyy/mm/dd):	Start: 2014-07-15, End: 2014-08-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	The bloom formed quickly after the half July.

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Nodularia spumigena Mertens in Jungers 1822 ( cells/L)
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:	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:

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:

Bloom was not tested for toxicity. It is known that bloom in the Baltic Sea formed by Nodularia spumigena most probably is hepatotoxic.Species was identified with a microscopic analysis.

Economic losses:

Management decision:

Media was informed to alert people, some beaches were closed.

Additional harmful effect information:

Created at 07:17 on 26 Mar 2015
Updated at 06:50 on 15 Dec 2019