Stories with the tag: Fish
PNNL’s self-powered fish-tracking tag uses a flexible strip containing piezoelectric materials to emit tiny beeps that are recorded by underwater receivers. The device is designed for long-living fish such as sturgeon, eels and lamprey.
Release Date: 9/26/2016
Helping fish migrate past dams could cost a fraction of conventional fish ladders with the help of PNNL’s upcoming study of Whooshh Innovations' so-called Salmon Cannon.
Release Date: 8/18/2016
A dozen clean energy technologies that enable everything from lightweight, fuel-sipping cars to the expansion of renewable energy and cleaner fossil fuel use are getting a boost at PNNL, thanks to $4.4 million from DOE's Technology Commercialization Fund.
Release Date: 6/21/2016
PNNL will help three small businesses reduce the cost of hydropower, cut building energy use, and make adhesives from plants through new projects announced today by DOE’s Small Business Vouchers program.
Release Date: 3/10/2016
A new acoustic fish-tracking tag is so tiny it can be injected with a syringe. It’s small size enables researchers to more precisely and safely record how fish swim through dams and use that information to make dams more fish-friendly.
Release Date: 1/29/2015
A synthetic fish is helping existing hydroelectric dams and new, smaller hydro facilities become more fish-friendly.
Release Date: 11/4/2014
Killer whales and other marine mammals likely hear sonar signals more than we’ve known.
Release Date: 5/1/2014
PNNL scientists working with colleagues from Laos and Brazil – areas where huge dams are being built or planned – have published new findings on keeping fish healthy as they pass through dams and other hydropower structures.
Release Date: 4/14/2014
By adjusting water discharges in ways designed to boost salmon productivity, officials at Priest Rapids dam in central Washington were able to more than triple the numbers of juvenile salmon downstream of the dam over a 30-year period.
Release Date: 2/25/2014
Scientists have created a microbattery, just slightly larger than a long grain of rice, that packs twice the energy compared to current microbatteries used to monitor the movements of salmon through rivers in the Pacific Northwest and around the world.
Release Date: 2/17/2014