I found an article about fish being killed in Minnesota lakes , which may apply to the Norwegian mess.
Quote:
Winterkill is a natural process that happens when fish don't have enough dissolved oxygen in water, he said. Because of the ice cover, oxygen in winter comes mainly from aquatic plants, which receive enough sunlight through ice to grow.
But in years with lots of snow, sunlight penetrates ice less and plants stop growing. Instead of producing oxygen in water, the plants consume it as they die and decompose.
"Right now, if winter stays on track like it is, we might see more winterkill this year," said Sean Sisler, aquatic habitat specialist for the Minnesota Department of Natural Resources.
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The descent of man ~ Nixon, Friedman, Reagan, Trump.
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