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fish ladder

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
fish ladder
n.
A series of pools arranged like ascending steps at the side of a stream, enabling migrating fish to swim upstream around a dam or other obstruction.

fish ladder
n
(Life Sciences & Allied Applications / Fishing) a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.fish ladder - a series of ascending pools providing a passage for salmon to swim upstream past a damfish ladder - a series of ascending pools providing a passage for salmon to swim upstream past a dam
passage - a way through or along which someone or something may pass


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To win federal relicensing of the Carmen Smith hydroelectric system on the McKenzie River, the Eugene Water & Electric Board in 2008 agreed, among other things, to spend $15 million to build a fish ladder - a specially designed channel - that will let salmon and other fish swim upstream and bypass the dams.
Shoppers in the Tesco car parkin Milngavie often have the treat of seeing sea trout and salmon leap over a nearby fish ladder on the Allander.
In response to this problem, Bonneville and some of the other Columbia dams have installed fish ladders so spawning salmon can swim past the man-made obstructions.
 
 
 
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