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Rapid diversification in Salmon and Steelhead Populations Following Dam Removal
John McMillan returns with a guest column about the ongoing recovery of the Elwha River. It’s been eleven years since the Elwha Dam (the lower of the two dams on the Elwha, located at river-mile five) was removed. I still remember the day the heavy equipment started to roll, and the dam started to fall. …
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The True Cast – Why the United States is the Envy of the Fishing World
There’s always much to celebrate on Independence Day.
There’s always much to celebrate on Independence Day. Sure, we’re living in divisive times and there are things that concern most of us for different reasons and in different ways in America these days. But the bottom line is that this collective “experiment in democracy” is still kicking (and then some) 247 years after a…
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Technology Busts Barrier Hunting
Light detection and ranging (LiDAR) data is helping TU’s restoration teams work more efficiently and effectively. Removing barriers to fish passage is a big part of Trout Unlimited’s work across the country, but you might be amazed to learn how complicated finding culverts or low-head dams can be. For years, TU staff has been heading…
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Dams Complicate Fish Migration
Science shows downstream passages wreak havoc on migratory fish Anadromous fish have it rough. Not only do these fish swim miles and miles from their natal streams out to the ocean to grow while surviving its many predators and then swim all the way back to spawn, but we also throw dams in their way…
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Science Guides Native Trout Restoration
CA’s science staff utilize low-tech processes for restoration in the remote native range of the golden trout There are several drivers of Trout Unlimited’s coldwater conservation work, but science is its beating heart. Many TU staff and volunteers — including the leading fish biologists, entomologists, hydrologists, ecologists, and mapping experts of our Science Program —…
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TU Science Team Uses Genetics to Help Guide Management Needs for a Threatened Trout
Lahontan cutthroat trout genetics expand conservation options There’s a species extinction crisis happening right now, and that includes trout. Extinction is evident across our landscapes thanks to things like habitat loss and disconnection, non-native species, and, of course, climate change. TU's science team collecting genetics data One species threatened with extinction is the famed Lahontan…
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Planning for Salmon and Steelhead to Return as the Klamath Dams Come Down
As the largest river restoration effort in history moves forward, Oregon and California plan for fish reintroduction and monitoring After decades of determined advocacy, tribes and conservation partners are now on the precipice of removing the four dams of the Klamath River Hydroelectric Project. For over a century, these dams have degraded water quality and…
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