A Watershed Moment | Great Lakes at a Crossroads. Dead zones haunt Green Bay as manure fuels algae blooms (Milwaukee Journal Sentinel, 9/13/2014)
The oxygen reading Peeters got was so low it indicated the fish had literally been suffocating. Imagine a toxic wind blowing across Milwaukee that pushed desperate, choking people to seek refuge under the surface of Lake Michigan. That, in reverse, was apparently what had happened to these fish so bent on leaving the water.
The USGS Water Science School. Water properties: dissolved oxygen.
Water Action Volunteers. Dissolved oxygen.