fish ladder


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fish ladder

[′fish ‚lad·ər]
(civil engineering)
Contrivance that carries water around a dam through a series of stepped baffles or boxes and thus facilitates the migration of fish. Also known as fishway.
References in periodicals archive ?
Even farther upstream is the Vernon Dam Fish Ladder in Vermont.
Every winter, visitors and school children flock to the fish ladder and wade through wet, muddy grass along the ditch to witness the returning steelhead.
Now they have seen thousands of pounds used to create a herringbone fish ladder out of boulders in the River Dearne.
Movements of adult Atlantic salmon in relation to a hydroelectric dam and fish ladder, Journal of Fish Biology 54: 713-726.
At this site, the 511th cleaned gate seals, installed water-level gauges for the fish ladders, and removed debris from the upriver trash racks (a cagelike attachment that collects large debris).
The fish ladder will allow greater movement of the fish between the downstream environment and the new lake.
It was written: "Whoever builds a dam in any river or stream, for any purpose, is obliged to construct a fish ladder to allow fish to move upstream the dam".
The Freeman Diversion includes a two-entrance denil fish ladder, a fish screen, and by-pass facilities to provide anadromous fish passage upstream and downstream of the diversion facility.
7 million to build a fish ladder adjacent to the dam.
Additionally, the uppermost Scott Dam isn't equipped with a fish ladder, forming a barrier blocking more upstream habitat.
For example, the Horseshoe Bend Boat Chute and Fish Ladder was designed by MWE and completed in 1995.
poetry to salmon at the fish ladder at the crack of dawn, or having a