fish ladder

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

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The safest route for fish passage is the inner edge of the orifice and speed is lower at non-submerged orifice.
Also meeting approval is testing of the three-year Fish Passage Mitigation Banking Pilot Project, an innovative approach to address high priority fish passage projects.
FOPR is proud of the part it has played in bringing both people and sea-run fish back to the Presumpscot over the last 20 years, as the first barriers to fish passage have been removed, native species have returned, recreational access has been built, and water quality has recovered.
Steve said: "This research will provide crucial information to other river managers in the future with regards to fish passage improvements and the timings of restoration work.
With Sappi's support, the City of Westbrook has filed a grant application with the National Oceanic & Atmospheric Administration (NOAA) to explore the potential impact of dam removal and to provide successful fish passage while maintaining the natural aesthetic of the site.
We must also continue to improve inland habitat and fish passage.
This announcement is a continuation of the work Sappi is conducting throughout the Westbrook community to ensure effective and safe fish passage, as well as contribute to the overall vitality of the region.
The Angling Trust's environmental Campaigns Manager Mark Owen said: "We desperately hope that the project will finally restore fish passage in the estuary of the Tees.
But Andrew Jackson, honorary secretary of the Hexham Anglers Association, said: "Insufficient monitoring has been carried out to date on the fish passage at Hexham Bridge, so there's no baseline information.
The populations would be reunited with the construction of the fish passage around the dam, McCann said.
Dimensions of Fish Passage * 1000 x 250 mm 1 Fold-down rake with hydraulic drive * 1,000 x 350 mm Rake cleaning system: 1 rack cleaning machine (RRM).
This is an innovative solution to restoring fish passage in the Deschutes River Basin," said Stephen Quennoz, PGE's vice president of power supply and generation.
The Commission also approved two fish passage waiver requests from the Coos Bay/North Bend Water Board related to upper and lower Pony Creek dams near Coos Bay.
River Restoration and Public Safety Act of 2000,'' requires the secretary of resources to prepare an inventory and evaluation of dams suitable for removal or modification to improve fish passage and beach replenishment.
At the first FIN meeting in 2012, landowners presented a framework detailing how they would like to work to improve fish passage and stream connectivity at stream crossings.