Fish Ladder

Definition: Fish Ladder

Fish Ladder

Noun

1. A series of ascending pools providing a passage for salmon to swim upstream past a dam.

Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.
 

Food & Agriculture

Source: compiled by the editor from various references; see credits.

Children watching migrating salmon pass by at the Bonneville Dam Fish Ladder.Credit: Fisheries.

An aerial view of the restoration area shows where the fish ladder was installed. The ladder was installed to increase spawning habitat for Alewives, Alosa pseudoharengus and Blueback herring, Alosa aestivalis.Credit: NOAA Restoration Center.

Two workers guide the first section of the fish ladder into place.Credit: NOAA Restoration Center.

The old fish ladder and pond at Parker River required constant maintenance and did not provide reliable access for anadromous fish to the spawning grounds at Parker River.Credit: NOAA Restoration Center.

An historic anadromous fish ladder that leads from Quivett Creek to the headwater pond where alewives spawn.Credit: NOAA Restoration Center.

Roy's Dam is in Lagunitas Creek, CA and suffered from a non-functioning fish ladder. Fish were attracted to the current and did not attempt to get up the ladder. Thus, the ladder impaired their spawning migration. This image shows the dam and ladder before restoration.Credit: NOAA Restoration Center.

Stream with fish ladder and irrigation gate.Credit: Gary Wilson.

Ranchers in the Salmon Model Watershed are building in-stream irrigation water structures like this one that contains gates that automatically raise and lower depending on the depth of streamflow. The structure also contains a fish ladder to enable fish p.Credit: Joel McNee.

Fish ladder and livestock exclusion are used to improve fish habitat in this stream.Credit: Gary Kramer.

Fish ladder at Lake Creek.Credit: D. Huntington.

Source: compiled by the editor from various references; see credits.

Bulgarian 

рибни прагове. (various references)

Dutch

vistrap (fishpass), vispassage (fishpass). (various references)

Finnish

kalaporras. (various references)

French

passe migratoire (fishpass), passe � poissons (fish pass, fishway), échelle � poissons (fish pass, fishpass, fishway). (various references)

German

Fischtreppe (fish pass, fishpass, fishway), Fischpass (fish pass, fishway), Fischpaß (fishpass). (various references)

Hungarian

hallépcsõ. (various references)

Italian

scala per pesci (fish pass, fishway), scala da pesci (fishpass), passo per pesci (fish pass, fishway). (various references)

Japanese Kanji 

魚�" (path taken by school of fish), 魚梯 . (various references)

Japanese Katakana 

ぎょどう (path taken by school of fish), ぎょてい. (various references)

Pig Latin

ishfay adderlay

Russian 

рыбоход. (various references)

Serbo-Croatian

red bazena za uzgoj ribe. (various references)

Swedish

fisktrappa. (various references)

Scrabble® Enable2K-Verified Anagrams

-1 letter: dihedrals.

-2 letters: dealfish, diehards, dihedral, fiddlers, flashier.

-3 letters: airshed, daledhs, dashier, deafish, derails, dialers, diehard, dreidls, faddier, faddish, fardels, farside, fiddler, fiddles, flashed, flasher, hailers, halides, hardies, heralds, hirsled, ladders, laddies, raddles, reddish, redfish, redials, riddles, saddler, shadier, shalier.

-4 letters: adders, addles, afield, afresh, aiders, aisled, alders, ariels, ariled, ashier, ashler, daledh, dashed, dasher.

46 69 73 68      4C 61 64 64 65 72

01000110 01101001 01110011 01101000 00100000 01001100 01100001 01100100 01100100 01100101 01110010

&#70 &#105 &#115 &#104 &#32 &#76 &#97 &#100 &#100 &#101 &#114

0046 0069 0073 0068      004C 0061 0064 0064 0065 0072

407585742466770707184