By SAM CORDEN
Capital News Service
LANSING — Scientists have been worried about the lake herring population in Lake Superior recently. In fact, last year they warned it could be headed towards a collapse. Lake Superior is the only Great Lake that still has a significant population of herring – or cisco as they’re commonly called. This fall, new rules protecting herring took effect in Wisconsin and Minnesota and things appear more stable. But there may still be a big problem lying beneath the surface.