No Hatch to Match? The Silent Decline of Aquatic Insects in Minnesota Trout Streams

If you’ve spent any time fishing the cold, clear streams of the Driftless Region, you know that matching the hatch is often the key to success. Hundreds of fly patterns exist to mimic the many species of mayflies, caddisflies, and stoneflies that emerge throughout the season. But in recent years,...

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How are the Trout growing?

The thousands of tiny, neon orange eggs students welcomed in December have now gone through two additional life cycle stages: alevin and swim up fry. As alevin, the trout are not yet eating regular food or swimming. Instead, they flop around on their sides in the egg basket, piling up...

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MNTU Trout Brook stream improvement project wins engineering award

On February 21, 2025 MNTU’s design engineers on its Trout Brook project, Emmons & Olivier Resources, Inc (EOR), received a Water Resources Excellence award from the American Council of Engineering Companies of Minnesota for our recent stream habitat restoration project in Miesville Ravine County Park Reserve.  We collaborated with...

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