fish ladder

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fish ladder

A series of artificial pools arranged like ascending steps, enabling migrating fish to swim upstream around a dam or other obstruction.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

fish ladder

(Fishing) a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

fish′ lad`der

a series of ascending pools constructed to enable salmon or other fish to swim upstream around or over a dam.

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Noun

fish 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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M2 PRESSWIRE-September 5, 2019-: Fish pass at iconic Grade II Crumpwood weir now in action

Fish pass at iconic Grade II Crumpwood weir now in action

The construction comprises a river barrage across the Tees, a foot and road bridge, barge lock, fish pass and international white water course.

The PS55m wonder of Teesside that includes 650 tonnes of steel

The construction of a fish pass in Shotley Bridge, County Durham, will see species such as lamprey, eels, grayling, brown trout, sea trout and salmon move up and down the river for the first time since a weir was built 300 years ago to power a mill.

A big leap forward for fish trying to access the upper reaches of river

A fish pass would be installed alongside the turbine to aid upstream passage of migratory and course fish, and an eel pass would also be built alongside the fish pass.

Hydo-electric plan for the River Soar; Power for more than 200 homes

A rockpool fish pass will be built at Shotley Grove weir to provide a route for fish to move past the 2.5m structure, opening up more than 12km of previously inaccessible river.

Scheme opens up full length of Derwent to salmon and sea trout

"Alongside the turbines is a specially constructed fish pass with resting pools which was funded in partnership with Natural Resources Wales.

Taff turbines able to power 550 homes

The Environment Agency has seen a record number of fish pass through its Riding Mill fish pass in Northumberland.

Record number of salmon and sea trout counted in the Tyne; Riding Mill fish counter records highest total since instalation 20 years ago

It will be built adjacent to a fish pass, with a separate eel and elver pass to aid the migration.

River energy plan could help the fish!

Prosecutor Neil Evans, for Natural Resources Wales, said one of its environmental crime officers had been on routine patrol at the fish pass at Llanfair TH when he saw a fisherman and two children.

Fined for illegally fishing for trout

WORK has started on a new fish pass to bring a river up to European standards.

Fish pass will raise river Alyn standards

About 500 salmon now get through the giant fish pass on the Barrage in the search for their home waters to spawn in.

Leaping salmon could be an eye-opener for visitors

Liverpool Canal Link, TorrsWeir Fish Pass and River Mersey Fish and Wildlife Refuge and the Pride in our Promenades project have all been nominated for the 2010Waterways Renaissance Awards.