Western Fisheries Research Center


The WFRC is one of only two USGS science centers that focus exclusively on fisheries science. It is recognized as a national and international resource for research on fish disease, fish passage, and restoration following dam removal.

Featured Project

Featured Project

What the heck will go here?

Featured Scientist

Featured Scientist

Summer Burdick is a fishery biologist at the Klamath Falls Field Station, Klamath Falls, OR. To learn more about Summer's research interests and expertise...

Click Here

WFRC Quick Links

Check out our most up-to-date data, events and science.

Scientists Areas of Expertise


Tribal Relations


Sampling for aquatic invasive species in the Greater Yellowstone Area.
November 8, 2016

Studies on the aquatic food web, tree swallows, and the spread of contaminants take center stage at SETAC 2016.

USGS scientists receiving Riverprize recognition.
September 13, 2016

NEW DELHI, INDIA – The collaborative work of the U.S. Department of the Interior and the Lower Elwha Klallam Tribe to restore the Elwha River of Washington, USA was recognized as a world-renowned restoration project during the awarding of the 2016 Thiess International Riverprize.

Southwestern Willow Flycatcher
September 6, 2016

A new report by the U.S. Geological Survey shows, for the first time ever, detailed habitat information on the entire range of a federally listed endangered bird allowing officials to take a scientific approach to helping protect the species.


Year Published: 2017

Status and Trends of Adult Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) Sucker Populations in Upper Klamath Lake, Oregon, 2015

Executive SummaryData from a long-term capture-recapture program were used to assess the status and dynamics of populations of two long-lived, federally endangered catostomids in Upper Klamath Lake, Oregon. Lost River suckers (LRS; Deltistes luxatus) and shortnose suckers (SNS; Chasmistes brevirostris) have been captured and tagged with passive...

Hewitt, David A.; Janney, Eric C.; Hayes, Brian S.; Harris, Alta C.
Hewitt, D.A., Janney, E.C., Hayes, B.S., and Harris, A.C., 2017, Status and trends of adult Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) sucker populations in Upper Klamath Lake, Oregon, 2015: U.S. Geological Survey Open-File Report 2017–1059, 38 p., https://doi.org/10.3133/ofr20171059.

Year Published: 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

The portion of the Snake River fall Chinook Salmon Oncorhynchus tshawytscha ESU that spawns upstream of Lower Granite Dam transitioned from low to high abundance during 1992–2016 in association with U.S. Endangered Species Act recovery efforts and other federally mandated actions. This annual report focuses on (1) numeric and habitat use responses...

Connor, William P.; Mullins, Frank L.; Tiffan, Kenneth F.; Plumb, John M.; Perry, Russell W.; Erhardt, John M.; Hemingway, Rulon; Bickford, Brad; Rhodes, Tobyn
Connor, W.P., and F.L. Mullins, K.F. Tiffan, J.M. Plumb, R.W. Perry, J.M. Erhardt, R.J. Hemingway, B.K. Bickford, and T.N. Rhodes. 2017. Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River Fall Chinook Salmon ESU, January, 2016-December, 2016. Bonneville Power Administration. Project Number 199102900. Contract Numbers 72899, and 72898. 67 p.

Year Published: 2017

Snake River Fall Chinook Salmon life history investigations

Predation by nonnative fishes is one factor that has been implicated in the decline of juvenile salmonids in the Pacific Northwest. Impoundment of much of the Snake and Columbia rivers has altered food webs and created habitat favorable for species such as Smallmouth Bass Micropterus dolomieu. Smallmouth Bass are common throughout the Columbia...

Erhardt, John M.; Bickford, Brad; Hemingway, Rulon; Rhodes, Tobyn; Tiffan, Kenneth F.
Erhardt, J.M., B.K. Bickford, R.J. Hemingway, T.N. Rhodes, and K.F. Tiffan. 2017. Snake River fall Chinook salmon life history investigations, 1/1/2016 - 12/31/2016. Bonneville Power Administration. Project Number 2002-032-00, Contract Number 72252. 21 p.