E-S: Mass Fish Death Still a Mystery – Expert Baffled

Ilta-Sanomat

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The expert tells Etelä-Saimaa that he has never encountered anything like it.

yle

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Based on water samples, the lake's oxygen level, nutrients, and pH are at normal levels.

Helsingin Sanomat

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Strange things were happening on the lake even before the mass fish die-off.

esaimaa.fi

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Tons of dead fish have been collected from the shores of the lake since Tuesday last week. According to hydrobiologist Antti Haapala, the lake's entire fish population has not been lost.