Where have all the walleye gone? Before long, anglers may have to make do with bluegills

Wisconsin spends millions of dollars each year on efforts to maintain populations of popular species like walleye, trout and whitefish. But those efforts to resist change are often ineffective, said Zach Feiner, a research scientist with UW-Madison’s Center for Limnology and lead author of the report. “In many lakes it doesn’t seem to be working very well,” Feiner said. “What we’re doing now is maybe stocking lakes that are becoming too warm to really be able to sustain walleye populations into the future.”