fish ladder

Dictionary of ichthyology. 2009.

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  • fishway — /ˈfɪʃweɪ/ (say fishway) noun a channel or series of pools designed to allow fish to migrate past an obstacle such as a weir or dam …  

  • fishway — žuvų pralaida statusas T sritis ekologija ir aplinkotyra apibrėžtis Įrenginys arba įtaisas migruojančioms žuvims iš hidrotechninio mazgo žemutinio bjefo praleisti į aukštutinį arba atvirkščiai. atitikmenys: angl. fish ladder; fish pass; fishway… …   Ekologijos terminų aiškinamasis žodynas

  • fishway — noun Date: 1845 a contrivance for enabling fish to pass around a fall or dam in a stream; specifically fish ladder …   New Collegiate Dictionary

  • fishway — noun fish ladder …   Wiktionary

  • fishway — A way, provided in the construction of a dam, whereby fish may journey from below to above the dam or vice versa. 55 Am J1st Supp Water § 23 …   Ballentine's law dictionary

  • fishway — ˈ ̷ ̷ˌ ̷ ̷ noun : a contrivance for enabling fish to pass around a fall or dam in a stream; specifically : fish ladder …   Useful english dictionary

  • rock-ramp fishway — a structure allowing fish to pass a barrier. Large rocks and timbers are used to build pools and small falls that mimic natural structures. This fishway only works over short distances because of the length of the channel needed for the ladder.… …   Dictionary of ichthyology

  • DeNiel fishway — a chute with lateral baffles that reduce the water s energy and leave a clear passage for fish to swim over the low barrier. There are no resting areas although pools may be provided for this purpose or to reduce flow velocity. See also pool and… …   Dictionary of ichthyology

  • denil fishway — DeNiel fishway …   Dictionary of ichthyology

  • Fish ladder — Fishways, most commonly called fish ladders but also known as fish passes and in Australia also referred to as fish steps, are structures on or around artificial barriers (such as dams and weirs) to facilitate diadromous fishes natural migration …   Wikipedia

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