Authorities in the western US state of Oregon have euthanized four sea lions in the last month as part of a program to protect salmon runs and steelhead trout that are at risk of going extinct.
Ecology
Jan 12, 2019
0
19
They've been pushed to the brink of extinction by dams, drought, extreme heat and even the flare of wildfires, but now California's endangered winter-run Chinook salmon appear to be facing an entirely new threat—their own ...
Plants & Animals
Jan 4, 2023
0
86
(Phys.org) —A pair of researchers, one with the University of Alaska, the other with Independent, Auke Bay are suggesting in a paper they've had printed in Proceedings of the National Academy of Sciences, that global warming ...
(PhysOrg.com) -- Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened juvenile salmon and allow them to grow larger before reaching ...
Ecology
Nov 15, 2009
0
0
Typically, now is the time when creeks along the Sacramento River are filled with young spring-run Chinook salmon preparing to make their journey downstream to the Pacific Ocean, where they will mature, and eventually make ...
Plants & Animals
Oct 16, 2023
0
21
Fish no longer need to go under the knife to help researchers understand exactly how they swim through hydroelectric dams, thanks to a new injectable tracking device described in the journal Scientific Reports.
Ecology
Jan 29, 2015
1
27
Nearly half of California's diverse types of native salmon, steelhead and trout are headed toward extinction in 50 years unless environmental trends are reversed, a team of scientists warn in a new report.
Ecology
May 17, 2017
0
21
Wild salmon, historically, are born in rivers, swim to sea to live out their adulthoods, and find their way back to their freshwater spawning grounds to reproduce before dying.
Ecology
Sep 22, 2017
0
19
As consumers eat more fish as part of a healthy diet, U.S. Department of Agriculture (USDA) scientists are helping producers meet this demand by developing new feeds that support sustainable aquaculture production.
Ecology
Oct 13, 2010
0
0
(AP) -- A federal judge on Friday refused to order a cut in flows from the Grand Coulee Dam that threaten millions of fish raised in pens downstream in the Columbia River.
Ecology
May 28, 2011
0
0
