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GRAVEL RESTORATION FOR SALMON
By the mid-2010s, California agencies had placed more than 200,000 tons of gravel below Keswick Dam, restoring egg-laying habitat for endangered salmon- By the mid-2010s, California agencies had placed more than 200,000 tons of gravel below Keswick Dam, restoring egg-laying habitat for endangered salmon
- In 2011, the US began tearing down two century-old dams on Washington's Elwha River, the largest dam removal in US history at the time, freeing over 20 million cubic yards of trapped sediment
- Fish are adapting to rivers shaped by dams and barriers, and that may be changing how man-made rivers function over timeFor decades, river restoration has focused on returning waterways to conditions that existed before dams, weirs and large-scale human inter...15 Jun, 2026, 06.03 PM IST
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