Winter Freeze – Winterkill A Message From Our Leader: Aquarius Systems Receives Wisconsin DNR Recycling Excellence Award Late Winter Freeze Means Less Algae Winterkill Glacier Lakes Make Ice Disappear Upcoming Conferences: Midwest Aquatic Plant Management Society 42nd Annual Conference Illinois Lake Management Association Annual Conference Wisconsin Lakes & Rivers 44th Annual Conference Indiana Lakes Management
Winterkill occurs when fish suffocate due to a lack of dissolved oxygen in the water and is the most common type of fish kill. Dissolved oxygen is required by fish and almost all other forms of life living in water bodies. Even bacteria living on lake bottoms require dissolved oxygen to survive. Low oxygen levels