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OREGON BEAVER DAMS FLOOD CONTROL
In Oregon, beaver dams along Fanno and Bronson creeks stored hundreds to over 1,200 cubic meters more water during storms, slowing how quickly runoff moved downstreamBeaver dams significantly slow floodwater flow in urban creeks, according to a new study. These natural structures store substantial amount...- In 2024, four dams were removed from an American river. Over 400 miles of Salmon habitat reopened. Scientists are now watching an ecosystem rebuilding itselfFour hydroelectric dams on the Klamath River were removed in 2024. This project opened over 400 miles of historic salmon habitat. Indigenou...
- 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...
- Early warning of the Gohna lake burst of 1894The 1893 Gohna landslide in the UP Himalayas created a 900-foot natural dam and a massive lake that later breached catastrophically in 1894...
- In 2011, Arkansas prioritized Lake Conway-Point Remove to tackle pollution. 13 years later, Conway cut nitrogen 41% and phosphorus 44% with green infrastructure annuallyLake Conway-Point Remove story ultimately shows why the future of water-quality protection may depend on combining engineering with ecology...
- Northern Canada’s beavers used branches and mud to slow floodwaters; their 850-meter dam that can be seen from space transformed the forest into a pond holding 70 million liters of water over timeDeep inside Northern Alberta’s Wood Buffalo National Park, generations of beavers have constructed the largest known dam on Earth. Spanning...
- Nepal issues fresh flood alert as water levels rise across several districts, death toll crosses 1,000Nepal authorities issued a fresh flood alert for several districts. The death toll from last week's catastrophic floods climbed close to on...
- In 1918–1921, one dam built on California's Carmel River provided water storage but blocked fish runs; in 2015 it came down, reopening 25 miles of habitat for steelhead troutA century-old dam on California's Carmel River was removed, restoring fish spawning grounds. Crews rerouted the river and dismantled the st...
- Nepal faces secondary flash flood threat as debris forms dam: ICIMOD cryosphere specialistNepal faces secondary flash flood risks as debris forms a temporary dam. Over 470 people have died and nearly 1,000 are missing from recent...
- Nepal, China flash floods: Missing toll soars past 2,400 as rescuers race to find survivorsRescuers in Nepal and China are searching for thousands still missing after a devastating flood of water, ice and debris swept through Hima...
- In 2016, NYSDEC and partners removed Shapp Pond Dam after 50 years of blocking migratory fish. 4 years later, restored habitat showed significant gains in stream health and wildlifeThe removal of the Shapp Pond Dam in Dutchess County, New York, helped restore aquatic connectivity and improve stream habitat along the Ea...
- Bihar braces for floods as Nepal rains push rivers above danger markBihar faces significant flood threats as river water levels continue to rise. Heavy rainfall and flash floods in Nepal have caused major ri...
- In 1948, Idaho officials used World War II parachutes to drop 76 beavers into the wilderness in one of America’s strangest conservation experimentsIdaho officials used World War II parachutes to move beavers. Special crates were designed for aerial drops into remote wilderness areas. T...
- Over 90,000 people affected by Himalayan landslide, Red Cross saysOver ninety thousand people are directly affected by a Himalayan landslide and need urgent aid. Aid officials express serious concerns abou...
- Nepal issues new flood warning after dam breach in TibetNepal authorities issued a fresh flood warning after water levels rose significantly. Rising water mixed with mud increased the risk of ano...
- China races to drain barrier lake after deadly Nepal-Tibet floodsChina is racing to reduce fresh flood risks along its Tibet-Nepal border after Wednesday’s deadly disaster created barrier lakes on both si...
- In 2021, Pat McElhenny led removal of a dam that had held back water for 100 years. 1 year later, the original Sterry Creek channel resurfaced intact, restoring a natural floodplain on Moosic MountainA 100-year-old dam came down on Moosic Mountain in Pennsylvania, but the real surprise appeared afterward. Sterry Creek’s original channel ...
- Washington state biologists reintroduced beavers on tributaries, and within years their dams slowed stream flow and rebuilt banks that resist erosionWildlife departments are making strides in reintroducing beavers to rejuvenate damaged stream ecosystems. These industrious creatures help ...
- 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...
- An Idaho game warden in 1948 put a male beaver named ‘Geronimo’ in a parachute box and dropped it from a plane; 76 beavers later faced the same fate and eventually transformed a landscapeIdaho's game wardens introduced an innovative approach in the late 1940s, using parachutes to relocate beavers. They engineered unique boxe...
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