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 ?
Receivers were placed at the top and the base of the Beaver Lake fish ladder to see if the tagged, stocked alewives would use the newly installed ladder.
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.
Migration of a fast-growing population of brown trout (Salmo trutta L) through a fish ladder in relation to water-flow and water temperature, Regulated Rivers: Research and Management 10: 217-228.
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.
Fernandez DR, Agostinho AA, Bini LM (in press) Selection of an experimental fish ladder located at the dam of the Itaipu Binacional, Parana River, Brazil.
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.
Ours dam on the Richelieu River and did not rebuild an adjoining fish ladder. The dam prevented the copper redhorse from reaching its preferred spawning area, upstream at Chambly.
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