fish ladder


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fish ladder

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

fish ladder

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

fish′ lad`der


n.
a series of ascending pools constructed to enable salmon or other fish to swim upstream around or over a dam.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fish ladder - a series of ascending pools providing a passage for salmon to swim upstream past a damfish 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
References in periodicals archive ?
On approaching the dam, visitors have the opportunity to take in, first-hand, the famous fish ladder on the River Tummel, utilised by salmon to migrate north during spawning season.
During the 1990s, residents spotted a remnant run of alewives at the base of the dam and installed a makeshift fish ladder at the site.
vortex weir fish ladder to provide passage over the 30-ft.
half-remember from visits: fog-damp, the fish ladder, the spit called
LHASA (CyHAN)- A fish started passing up the world's highest fish ladder at Zam Hydropower Station, Tibet's largest, on Thursday.
The Fish Ladder: A Journey Upstream tells of how the author was abandoned as a baby in a Liverpool convent, raised by adoptive parents to become a wanderer drawn to the countryside over city surroundings.
Its fish ladder and visitor viewing area open during the spring migration from early May through late June, dawn to dusk.
To the tune of He's Got The Whole World In His Hands we somehow started singing "you've got the worst fish ladder in the world".
On the far side of the river, we find a fish ladder that enables the fish to proceed step-by-step to reach the upstream side of the dam.
Lindstrand Aeroplatforms, the company behind the scheme, wants to take visitors on 15-minute flights 400ft (125m) up for a bird's eye view of the city and beyond from a proposed site near the fish ladder on the Penarth side of the barrage.
I would also like to see a new electronic fish counter included in this pounds 5m project on the Tees so that Britishwaterways can do away with the cruel little trap at the top of the present fish ladder.