For decades, yellow perch have been an important part of Lake Erie’s ecosystem, supporting both commercial and recreational fisheries. But in recent years, yellow perch productivity in the lake’s central basin has declined.
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As northern lakes heat up, Canada’s lake trout are losing their individuality — and with it, a key source of ecological resilience. A new study in Ecology led by Cassandra Kotsopoulos at the University of Guelph examined lake trout across 52 boreal lakes in Ontario.
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You don’t always need massive datasets to learn something important about nature. While modern ecology often focuses on large-scale “big data,” a recent study carried out, in part, by one of our collaborators Dr. Robert Hanner shows that smaller, less-than-perfect datasets can still reveal important patterns—if analyzed carefully.
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The Nature Collection titled "Freshwater ecosystems under global change" spotlights the critical yet often underrepresented role of freshwater systems—rivers, lakes, wetlands—in global ecological processes and human well-being.
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