单词	fish ladder
释义	fish ladder noun : a series of pools arranged like steps by which fish can pass over a dam in going upstream Example Sentences Recent Examples on the Web Spring chinook salmon anglers are moving with the run into the Willamette River below the falls between Oregon City and West Linn as returning fish stage for their annual crossing through the fish ladder upriver into valley tributaries. oregonlive, 4 May 2022 Several years ago, Skyline Mine’s previous owner installed a concrete fish ladder to help fish ascend from Electric Lake to the tiny reservoir, which state fisheries managers stock most years with rainbow trout. Brian Maffly, The Salt Lake Tribune, 13 June 2022 Crews used a canoe to recover the body of 23-year-old Mariana Dukes, who was found about 75 yards downriver of a fish ladder in Lane County, the Benton County Sheriff’s Office said in a statement Friday. oregonlive, 29 Apr. 2022 Some solutions that fall short of full dam removal, like installing a new fish ladder or removing the dam and replacing it with a series of smaller obstructions, which might not change water levels as much. Brian Amaral, BostonGlobe.com, 26 Apr. 2022 The adult salmon swim up the Sacramento River and into Battle Creek, then up a fish ladder to the hatchery’s holding ponds. Los Angeles Times, 8 Apr. 2022 The idea for a fish ladder to restore the natural trout breeding at the lake was first discussed years ago, when the Franconia Notch Parkway along Interstate 93 was built. From Usa Today Network And Wire Reports, USA TODAY, 27 Oct. 2021 Jessica Nichols, the state biologist, works on the fish ladder along the Butte Creek. Washington Post, 13 Sep. 2021 Kids, teenagers and adults watched the release as harlequin ducks swam to the edge of the fish ladder, hoping to catch an afternoon snack. Emily Mesner, Anchorage Daily News, 17 June 2021 See More Word History First Known Use 1864, in the meaning defined above
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