Sipilä said that during his 40 years working for state-owned parks and wildlife management agency Metsähallitus, he has never seen such poor ice conditions in January.
Researcher Sirpa Lehtinen from the Finnish Environment Institute (Syke) said that cyanobacteria exist in seawater all year round, but intense heat causes them to multiply quickly.
The Finnish researcher says the source of southern Finland's unusually slippery roads and messy snow this winter is very likely due to warm air from the sea.
The Finnish Environment Institute (SYKE) has warned that the Gulf of Finland faces the risk of earlier and larger than usual blue-green algae blooms this summer – weather permitting. The environment agency says high levels of phosphorous have the potential to feed abundant toxic algal growths.
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