Tag: great rivers partnership

Imagine Rivers Full of Migrating Fish

Make no mistake: when it comes to migratory fish, sometimes science requires the art of imagination. Conservation planner Josh Royte celebrates World Fish Migration Day and the hope offered by river restoration.

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Sustainable Hydropower: Are Small Dams Really Better for the Environment?

When it comes to dams, small is often considered beautiful. But should small hydropower projects get a free pass? Can such dams actually be tiny but terrible? Freshwater scientist Jeff Opperman takes a look at the realities of sustainable hydropower.

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Beyond the Power Struggle: The Science and Values of Sustainable Hydropower

Fighting dams is in the environmental movement’s DNA. But is it time to change? Freshwater scientist Jeff Opperman argues that science-based collaboration offers a better future for rivers and fish — and the people who depend on them.

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Experiment: Freshwater Mussel Restoration

Tharran Hobson dons a wetsuit and wades into the wetland. Soon he is swimming, diving, fishing around—“pollywogging,” he calls it—finally emerging with his muddy bounty, a small wire cage.

As underwater treasures go, it doesn’t look like much: A wire structure with a silt-covered tray in the bottom.

But this contraption may hold the key to restoring some of the least understood and most abused creatures in the Mississippi River system: freshwater mussels.

Conservancy scientists and partners are currently testing whether restored wetlands might be suitable sites for freshwater mussel propagation efforts. If it works, it could be another important tactic in the restoration of freshwater mussels that once existed in Midwest rivers by the millions.

I’m joining these scientists at the Conservancy’s Emiquon Preserve, a 6800-acre restored floodplain along the Illinois River (a significant tributary of the Mississippi). This project has already been successful in drawing in thousands of migrating waterfowl, and in restoring 30 native fish species.

Could it also serve as a breeding project for mussels?

That’s what I’m here to find out.

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