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CHINOOK SALMON HABITAT
In 2020, American Rivers removed the Middle Fork Nooksack dam after 50 years of blocking fish in Washington. 2 years later, the river reopened 16 miles of habitat for Chinook salmon and troutMiddle Fork Nooksack salmon habitat: A dam built in 1961 was removed in 2020, restoring river access. This action reopened sixteen miles of...- In 2021, Washington's Skagit River System Cooperative installed an 80-foot bridge over the Lucas channel. 5 years later, the project has helped reconnect fish habitat across the floodplainA restoration project in Washington’s Barnaby Reach has focused on improving floodplain connectivity and fish passage by removing infrastru...
- In 2022, Alaska began replacing a fish-blocking culvert with a 100-foot bridge at Little Tonsina River with a $1.3 million budget. 1 year later, 70.4 miles of salmon habitat were reopened to fish safelyA flood-damaged culvert along Alaska’s Little Tonsina River long prevented salmon from swimming upstream. In July 2022, crews began replaci...
- The U.S. Army Corps of Engineers spent $7 million on fish ladders in 1938 to move salmon past Bonneville Dam; decades later, the system carries 1 million a season in good yearsThe Bonneville Dam’s fish ladders, designed as part of a New Deal initiative, remain operational after decades of service. The construction...
- In 1992, Congress authorized the removal of 2 dams that had blocked salmon for a century. 24 years later, the Elwha River once again flowed freely from the Olympic Mountains to the seaElwha River Restoration changed one of America’s most remarkable river recovery stories. Two dams once blocked salmon from reaching upstrea...
- Four dams built on the Klamath River between 1918 and 1966 made power, not water storage; in 2024, the last came down, reopening 420 miles of salmon habitatIn a groundbreaking initiative, four dams on the Klamath River spanning California and Oregon have been dismantled after a century of exist...
- In 2012, PacifiCorp launched a trap-and-haul program to move adult salmon upstream past Merwin Dam. 14 years later, researchers found 2 stages in the system but 1 decisive bottleneck: young salmon failing to find the artificial current downstreamA trap-and-haul program on Washington’s Lewis River helps adult Chinook salmon bypass Merwin Dam by transporting them in trucks to upstream...
- Since 2022, Alaska crews have placed more than 1,000 whole trees in a creek damaged by gold mining, helping restore 2.3 miles of salmon habitatResurrection Creek in Alaska has been revitalized into a thriving river thanks to comprehensive restoration efforts. By introducing entire ...
- By the mid-2010s, California agencies had placed more than 200,000 tons of gravel below Keswick Dam, restoring egg-laying habitat for endangered salmonThe construction of dams along the Sacramento River hindered the natural flow of gravel that is essential for salmon spawning. Efforts are ...
- By the mid-2010s, California agencies had placed more than 200,000 tons of gravel below Keswick Dam, restoring egg-laying habitat for endangered salmonIn an initiative aimed at revitalizing the spawning grounds for the endangered winter-run Chinook salmon, California has been transporting ...
- In 2011, California turned dormant rice fields into winter salmon nurseries; the young fish grew up to eight times faster than in riversFlooded rice fields in California's Yolo Bypass are helping young salmon grow significantly faster. These fields provide a rich food source...
- In 1942, America completed Friant Dam and diverted most of the San Joaquin River into farms; a salmon run once numbering nearly 50,000 adults collapsedFriant Dam construction in California significantly altered the San Joaquin River's flow. This action disconnected salmon from their spawni...
- In 1980, one of America's worst volcanic eruptions flattened this land. Now, 58 beavers have brought it back to lifeBeavers have revitalized a Mount St. Helens wasteland into a thriving wetland. These industrious rodents created a vibrant ecosystem after ...
- Scientists have discovered that cocaine-powered super salmon live longer and swim faster than normal salmonScientists found Atlantic salmon exposed to cocaine swam further and lived longer. This study highlights how drugs in waterways change aqua...
- Trump targets California water policy as he prepares to tour LA fire damagePresident Donald Trump focuses on California's water policy during his visit to the wildfire damage, advocating for rerouting more water to...
- Warming rivers in US West killing fish, imperiling industryHundreds of thousands of young salmon are dying in Northern California's Klamath River as low water levels brought about by drought allow a...
- Gene-editing tool that led to rapid test for Covid-19 is now helping scientists save endangered salmonThe CRISPR-based Sherlock tool can identify four types of Chinook salmon.
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