omavahel ühendatud väikestest veemahutitest trepp kaladele jõgedes olevate tõkete ületamiseks, a structure that permits fish to bypass a dam using a series of baffled chambers installed at progressively lower elevations to provide a velocity against which fish can more easily swim
a contrivance, which could be likened to an escalator, that enables river-migrating fishes to get around dams and other obstructions, rajatis paisust ülesvoolu (et kalad üle pääseksid), installation destinée ā permettre aux poissons migrateurs de franchir les obstacles naturels ou artificiels
échelle à poissons . Limnoloogia sõnastik. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//lim/%C3%A9chelle%20%C3%A0%20poissons/1/fra (20.06.2026)
