USGS scientist Dalton Lebeda is measuring a Fall Chinook salmon captured in the Snake River. This study is being conducted to determine the percentages of natural and hatchery origin spawners in the upper reach of Hells Canyon.
Bradley Bickford
Brad works for the Western Fisheries Research Center, Columbia River Research Laboratory, Clarkston Duty Station.
Science and Products
USGS scientist Dalton Lebeda is measuring a Fall Chinook salmon captured in the Snake River. This study is being conducted to determine the percentages of natural and hatchery origin spawners in the upper reach of Hells Canyon.
Scenic picture taken with a sUAS (drone) of Hells Canyon, Fall 2023. In the bottom of the picture, you can see one of our USGS work boats pulled onto shore. USGS scientists are conducting redd surveys for spawning Fall Chinook salmon.
Scenic picture taken with a sUAS (drone) of Hells Canyon, Fall 2023. In the bottom of the picture, you can see one of our USGS work boats pulled onto shore. USGS scientists are conducting redd surveys for spawning Fall Chinook salmon.
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River Fall Chinook salmon ESU
Performance of subyearling fall Chinook salmon tagged with 8‐, 9‐, and 12‐mm passive integrated transponder tags in the Snake River
Impact of smallmouth bass predation on subyearling fall Chinook salmon over a broad river continuum
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook Salmon ESU
Fall Chinook salmon (Oncorhynchus tshawytscha), sand roller (Percopsis transmontana), and smallmouth bass (Micropterus dolomieu) interactions in a Snake River reservoir: A tale of three species
Smallmouth bass predation on subyearling fall Chinook salmon in Lower Granite Reservoir, 2016–2017
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River Fall Chinook Salmon ESU, 1/1/2016 - 12/31/2016
Snake River Fall Chinook Salmon life history investigations
Ecology of the Opossum Shrimp (Neomysis mercedis) in a Lower Snake River Reservoir, Washington
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook salmon ESU, 1/1/2014 - 12/31/2014
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook salmon ESU, 1/1/2012 – 12/31/2013: Annual report, 1991-029-00
Snake River fall Chinook salmon life history investigations: Annual report 2011 (April 2011 - March 2012)
Science and Products
USGS scientist Dalton Lebeda is measuring a Fall Chinook salmon captured in the Snake River. This study is being conducted to determine the percentages of natural and hatchery origin spawners in the upper reach of Hells Canyon.
USGS scientist Dalton Lebeda is measuring a Fall Chinook salmon captured in the Snake River. This study is being conducted to determine the percentages of natural and hatchery origin spawners in the upper reach of Hells Canyon.
Scenic picture taken with a sUAS (drone) of Hells Canyon, Fall 2023. In the bottom of the picture, you can see one of our USGS work boats pulled onto shore. USGS scientists are conducting redd surveys for spawning Fall Chinook salmon.
Scenic picture taken with a sUAS (drone) of Hells Canyon, Fall 2023. In the bottom of the picture, you can see one of our USGS work boats pulled onto shore. USGS scientists are conducting redd surveys for spawning Fall Chinook salmon.