How long do salmon usually live?
Most salmon species live 2 to 7 years (4 to 5 average). Steelhead trout can live up to about 11 years.
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Development of a study design and implementation plan to estimate juvenile salmon survival in Lookout Point Reservoir and other reservoirs of the Willamette Project, western Oregon
Survival estimates for juvenile salmon and steelhead fry in reservoirs impounded by high head dams are coveted data by resource managers. However, this information is difficult to obtain because these fish are too small for tagging using conventional methods such as passive-integrated transponders or radio or acoustic transmitters. We...
Kock, Tobias J.; Perry, Russell W.; Monzyk, Fred R.; Pope, Adam C.; Plumb, John M.
Survival of juvenile chinook salmon and coho salmon in the Roza Dam fish bypass and in downstream reaches of the Yakima River, Washington, 2016
Estimates of juvenile salmon survival are important data for fishery managers in the Yakima River Basin. Radiotelemetry studies during 2012–14 showed that tagged juvenile Chinook salmon (Oncorhynchus tshawytscha) that passed through the fish bypass at Roza Dam had lower survival than fish that passed through other routes at the dam. That study...
Kock, Tobias J.; Perry, Russell W.; Hansen, Amy C.
Seventy-five years of science—The U.S. Geological Survey’s Western Fisheries Research Center
As of January 2010, 75 years have elapsed since Dr. Frederic Fish initiated the pioneering research program that would evolve into today’s Western Fisheries Research Center (WFRC). Fish began his research working alone in the basement of the recently opened Fisheries Biological Laboratory on Lake Union in Seattle, Washington. WFRC’s research began...
Wedemeyer, Gary A.
Elwha River dam removal-Rebirth of a river
After years of planning for the largest project of its kind, the Department of the Interior will begin removal of two dams on the Elwha River, Washington, in September 2011. For nearly 100 years, the Elwha and Glines Canyon Dams have disrupted natural processes, trapping sediment in the reservoirs and blocking fish migrations, which changed the...
Duda, Jeffrey J.; Warrick, Jonathan A.; Magirl, Christopher S.
Community flood protection may also help endangered salmon to thrive
Building a river setback levee to reduce the risk of flood for a community may also help endangered fish species to thrive, according to the results of a novel computer model reported by the U.S. Geological Survey.
Endangered Salmon Population Monitored with eDNA for First Time
CORVALLIS, Ore. — Scientists from the U.S. Geological Survey and Washington State University have discovered that endangered Chinook salmon can be detected accurately from DNA they release into the environment. The results are part of a special issue of the journal Biological Conservation on use of environmental DNA to inform conservation and management of aquatic species.
New Method Monitors Riverbed and Flows to Protect Spawning Salmon
USGS scientists took high-tech sensors typically found in devices such as smart phones and embedded them into a new method to monitor riverbed movements that can help protect spawning habitat for endangered salmon. Developed in cooperation with Seattle Public Utilities for the Cedar River, the new method is published in the Journal of Hydrology.
Wild Atlantic Salmon Found in New York's Salmon River
Scientists recently discovered wild young Atlantic salmon in New York's Salmon River. This is the first time in more than a century that salmon produced naturally in the wild have been found in what was once New York's premier salmon stream. Forty-one wild Atlantic salmon were collected in June and July. All of the salmon were under one year old and ranged in length from about 2 – 2.5 inches.
Removal of Obsolete Forest Roads Can Reduce Erosion and Sediment That Impair Salmon-bearing Streams
Removing abandoned forest roads and restoring the natural characteristics of slopes and stream channels in the Redwood National and State Parks in northern California have substantially reduced the delivery of sediment to salmon-bearing streams, according to a research geologist with the U.S. Geological Survey.
Brown bears (Ursus arctos) and Chum (Salmon Oncorhynchus)
Bear predation on salmon can be high in many Alaskan rivers. Brown bears Ursus arctos and Chum Salmon Oncorhynchus keta are managed concurrently in McNeil River State Game Sanctuary by Alaska Dept. of Fish and Game to benefit the salmon, bears, commercial fishers, and provide unparalleled close-up bear viewing and photography opportunities for the public.
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Chinook Salmon
Chinook Salmon. Photograph courtesy of Michael Humling, U.S. Fish and Wildlife Service
An Alaskan Sockeye Salmon. USGS photo gallery. BLM photo.
Acoustic-tagged juvenile Chinook salmon being released
Acoustic-tagged juvenile Chinook salmon being released.
A Spawning Coho Salmon
Coho salmon fins just above water surface. Female coho select breeding sties based on specific characteristics that offer protection and desired habitat for juveniles. Photo courtesy of Steven Clark, BLM
Coho salmon
Coho salmon spawning on the Salmon River in northwestern Oregon. This photo was taken during a coho spawning survey conducted by the Bureau of Land Management in November 2014.
7,000 Atlantic Salmon Transported in Tank
About 7,000 young Atlantic salmon are transported in a large tank from the USGS Tunison Laboratory in Cortland, N.Y., to Beaverdam Brook in Altmar for release.
Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in
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Black Bear Surveys Sockeye Salmon
A black bear surveys sockeye salmon as they migrate up river to reproduce in Auke Bay, Alaska in 2011. Salmon are an important food resource for bears in Alaska. Credit: Evan Barrientos
Sockeye Salmon
Animated GIF of a Sockeye Salmon swimming in the water. This image comes from a video that depicts adult Sockeye Salmon in Drano Lake, WA on July 15th and 16th 2015.
