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Dead fish after ice-out likely from winterkill

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The melting ice from Minnesota's shorelines may reveal some dead fish, according to the Minnesota Department of Natural Resources.

In most cases it is normal winterkill. When snow and ice cover a lake, it limits the sunlight reaching aquatic plants. The plants die, stop producing oxygen, and decompose - a process that consumes oxygen. This oxygen deficit can kill other fish, although it seldom affects all fish.

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