Lake Superior

Future remains in doubt for Lake Superior ciscos

(U.S. Fish and Wildlife Service)Lake Superior’s cisco numbers have been steadily falling over the past decade. Last year’s commercial catch was just half the haul from 2006. As climate change makes Lake Superior’s winter ice cover — which helps cisco eggs hatch by protecting them from the elements — less reliable, researchers say Minnesota’s deep-rooted North Shore cisco fishery faces an uncertain future. For the…

Volunteers needed at Cascade River State Park this Saturday; The Nature Conservancy’s Highway 61 reforested program to restore first site

(The Nature Conservancy)Volunteers are needed this Saturday, June 1, to help plant trees and protect seedlings from deer browsing on 55 acres at the entrance to Cascade River State Park, along the North Shore of Lake Superior. The restoration is the first project under The Nature Conservancy’s new Highway 61 reforested program, which is focused on replacing dying birch trees located…

Great Lakes see ‘Superior’ ice coverage

Lake Superior was 94 percent ice covered as of Friday, marking first time the largest of the Great Lakes had more than 90 percent coverage in four years. But warmer temperatures in the coming days will start to bring on a great melt.

Sea lamprey numbers mysteriously rising in Lake Superior, Lake Erie

ANN ARBOR, Mich. — Officials say the invasive sea lamprey is gaining ground in Lake Superior and Lake Erie, while its numbers remain at near-historic lows in the other Great Lakes. Sea lampreys are eel-like parasites that attack fish such as trout, salmon and whitefish. They invaded the lakes in the last century and decimated native fish until a poison…