Water test: One fish, two fish – where are all the whitefish?

Since the early 2000s fewer young whitefish have been making it to adulthood. Understanding the decline of lake whitefish recruitment is important for fishery managers and regulators as they approach the deadline to update a 2000 consent decree that regulates recreational and commercial fishing in Lake Huron and Lake Michigan. 

Water test: quagga mussels hijack key Great Lakes nutrient

The impact that quagga mussels have on the Great Lakes food web gives deep meaning to the saying, ‘food for thought.’ These prodigious filter-feeders are implicated in the decline of many Great Lakes fish species, well beyond those with commercial and recreational value.

Water test: Rending the Great Lakes food web

The food web in lakes Michigan and Huron has changed in ways that jeopardize age-old fishing traditions and raise questions about how we’ve managed them. Now negotiators are updating a legal settlement that spells out where and how much lake whitefish and lake trout can be harvested. 

Rare wolf attack on baby foxes found on Isle Royale

For the first time, scientists have documented an adult wolf killing red fox kits in their den. The event occurred in Isle Royale National Park, where researchers found evidence that an adult male wolf known as 016M attacked the kits, killing and possibly feeding on at least two of them – and possibly also killing a third littermate.

June: The Cruelest Month?

All through the spring, baby fish hatch and laze in the sun-warmed shallows, bird chicks take their first wobbly flights, bunnies get their first taste of the greens in my garden and seedlings sprout and reach for the sky. And then they die.

Rising water makes Lake Michigan wetlands vulnerable to invaders

European frogbit, an invasive species, has been documented in Wisconsin, where it could threaten native plants, fish and invertebrates. The small, green, heart-shaped lily pad, forms dense mats along the surface of the water, blocking out sunlight that submergent plants need to survive.

Ontario jumping worm invasion threatens to leap borders

For the first time, Asian jumping worms were found in Ontario in March. The discovery of the invasive worms follows sightings in all Great Lakes states except for Michigan, Pennsylvania and New York. Removal of invasive species once they are established is extremely difficult, making prevention essential.

Backyard habitats: TikTok edition

In our newest TikTok, Echo reporter Rayna Skiver interviews Natalie Cypher, naturalist and educator for the Michigan Department of Natural Resources Outdoor Adventure Center.