"So this is really rare already to be in April and still have ice on the lakes," said Nate Bosch, Director of Lakes and Streams at
“It's particularly bad when we've had harsh winter like we've had, and with all that ice cover over the lake for so many months and snow cover on top of that,” said Bosch. “The plants which normally produce oxygen throughout the winter can’t get that sunlight so those plants don’t produce that oxygen and the fish need that oxygen to survive so the oxygen level just keeps going down through the course of the winter.”
All the seagulls and other birds at
"We can limit the amount of nutrients that get into our local lakes and streams and that'll then reduce the amount of oxygen that needs to get used up over the winter time," he said.