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Filter Total Items: 258
Pale gills of a herring with VEN
Date Published: July 18, 2018
Status: Active

Erythrocytic Necrosis Virus (ENV) - MMFS

Fish Diseases

Erythrocytic Necrosis Virus (ENV)

Ichthyophonus parasite
Date Published: July 18, 2018
Status: Active

Diseases - Marrowstone Marine Field Station

Fish Diseases

Disease Ecology Research at the Marrowstone Marine Field Station

Juvenile steelhead smolts
Date Published: July 17, 2018
Status: Active

Steelhead Trout (Oncorhynchus mykiss) - MMFS

Species Studied

Steelhead Trout (Oncorhynchus mykiss)

Specific-Pathogen-Free Pacific herring
Date Published: July 17, 2018
Status: Active

Pacific Herring (Clupea pallasii) - MMFS

Species Studied

Pacific Herring (Clupea pallasii)

Pacific halibut from Alaska
Date Published: July 17, 2018
Status: Active

Pacific Halibut (Hippoglossus stenolepis) - MMFS

Species Studied

Pacific Halibut (Hippoglossus stenolepis)

SPF Pacific herring
Date Published: July 17, 2018
Status: Active

Species Studied - Marrowstone Marine Field Station

The Disease Ecology Research Program at the Marrowstone Marine Field Station addresses fundamental disease processes that impact wild marine and anadromous fishes.  The program is not designed around particular host or pathogen species; rather we investigate diseases processes that involve numerous species of marine hosts and pathogens.  Please follow the links for more information about some...

Researcher works at microscope
Date Published: July 17, 2018
Status: Active

Research - Marrowstone Marine Field Station

Investigations cover both basic and applied research aimed at providing scientific information relevant to the needs of federal, tribal, state, and local natural resource managers.

Marrowstone Marine Field Station
Date Published: July 17, 2018
Status: Active

About Us - Marrowstone Marine Field Station

Basic and applied research at the Marrowstone Marine Field Station is directed towards understanding ecological processes that impact marine ecosystem health. 

WFRC Admin Building
Date Published: July 13, 2018
Status: Active

Directions - Headquarters Seattle Laboratory

Directions from Seattle-Tacoma International Airport

Researcher works at microscope
Date Published: July 13, 2018
Status: Active

Staff Directory - Headquarters Seattle Laboratory

Staff at the Seattle Laboratory, Seattle, WA

Collecting tissues from fish
Date Published: July 13, 2018
Status: Active

Partnerships - Headquarters Seattle Laboratory

For more than five decades the WFRC has worked with partners to provide research findings to managers of aquatic resources.

Beach seining Nisqually River
Date Published: July 13, 2018
Status: Active

Puget Sound Fall Chinook Estuarine Utilization - HSL

Tribal Relations

Puget Sound Fall Chinook Estuarine Utilization

Contacts: Kimberly Larsen
Filter Total Items: 143
USGS
January 1, 2017

This part of the data release presents topography data from the Elwha River delta collected in August 2012. Topography data were collected on foot with global navigation satellite system (GNSS) receivers mounted on backpacks.

USGS
January 1, 2017

Time-series data of velocity, pressure, turbidity, conductivity, and temperature were collected near the mouth of the Elwha River, Washington, USA, from December 2010 through October 2014, for the Department of Interior’s Elwha River Restoration project. As part of this project, the U.S. Geological Survey studied the effects of renewed sediment supplies on the coastal ecosystems before, durin

USGS
January 1, 2017

This part of the data release presents topography data from the Elwha River delta collected in March 2013. Topography data were collected on foot with global navigation satellite system (GNSS) receivers mounted on backpacks.

USGS
January 1, 2017

Physical and chemical changes affect the biota within urban streams at varying scales ranging from individual organisms to populations and communities creating complex interactions that present challenges for characterizing and monitoring the impact on species utilizing these freshwater habitats. Salmonids, specifically cutthroat trout (Oncorhynchus clarkii) and coho salmon (Oncorhynchus kisutch)

USGS
January 1, 2017

This part of the data release presents topography data from the Elwha River delta collected in September 2013. Topography data were collected on foot with global navigation satellite system (GNSS) receivers mounted on backpacks.

USGS
January 1, 2017

We characterized seafloor sediment conditions near the mouth of the Elwha River from underwater photographs taken every four hours from September 2011 to December 2013. A digital camera was affixed to a tripod that was deployed in approximately 10 meters of water. Each photograph was qualitatively characterized as one of six categories: (1) base, or no sediment; (2) low sediment; (3) medium sedim

USGS
January 1, 2017

This part of the data release presents bathymetry data from the Elwha River delta collected in May 2011 using two personal watercraft (PWCs). The PWCs were equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers.

USGS
January 1, 2017

This part of the data release presents bathymetry data from the Elwha River delta collected in September 2013 using two personal watercraft (PWCs). The PWCs were equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers.

USGS
January 1, 2017

A process-based numerical model of the mouth of the Columbia River (MCR) and estuary, Oregon and Washington, was applied to simulate hydrodynamic conditions for the time period of the Office of Naval Research-funded River and Inlets Dynamics (RIVET II) field experiment conducted between May 9 and June 15, 2013. The model application was constructed using Delft3D, an open-source software package

USGS
January 1, 2017

This part of the data release presents topography data from the Elwha River delta collected in August 2011. Topography data were collected on foot with global navigation satellite system (GNSS) receivers mounted on backpacks.

USGS
January 1, 2017

Time-series data of water surface elevation, wave height, and water column currents, temperature, salinity, and acoustic seabed images were acquired for 38 days between 9 May and 15 June, 2013 in the mouth of the Columbia River, Oregon and Washington.

USGS
January 1, 2017

This data release contains bathymetry and topography data from surveys performed on the Elwha River delta between 2010 and 2017. Sediment grain-size data are available for selected surveys performed after May 2012. This data release will be updated as additional bathymetry, topography, and surface-sediment grain-size data from future surveys become available.

Filter Total Items: 710
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Year Published: 2014

Methow River Studies, Washington: abundance estimates from Beaver Creek and the Chewuch River screw trap, methodology testing in the Whitefish Island side channel, and survival and detection estimates from hatchery fish releases, 2013

Salmon and steelhead populations have been severely depleted in the Columbia River from factors such as the presence of tributary dams, unscreened irrigation diversions, and habitat degradation from logging, mining, grazing, and others (Raymond, 1988). The U.S. Geological Survey (USGS) has been funded by the Bureau of Reclamation (Reclamation) to...

Martens, Kyle D.; Fish, Teresa M.; Watson, Grace A.; Connolly, Patrick J.
Methow River Studies, Washington: abundance estimates from Beaver Creek and the Chewuch River screw trap, methodology testing in the Whitefish Island side channel, and survival and detection estimates from hatchery fish releases, 2013; 2014; OFR; 2014-1154; Martens, Kyle D.; Fish, Teresa M.; Watson, Grace A.; Connolly, Patrick J.

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Year Published: 2014

Evaluation of the behavior and movement of adult summer steelhead in the lower Cowlitz River, Washington, following collection and release, 2013-2014

Summer steelhead (Oncorhynchus mykiss) produced by a hatchery on the lower Cowlitz River, Washington, support a popular sport fishery during June–September each year. Many of these fish return to the Cowlitz Salmon Hatchery and are held until they are spawned in December. In the past, fishery managers have released some of the steelhead that...

Kock, Tobias J.; Liedtke, Theresa L.; Ekstrom, Brian K.; Gleizes, Chris; Dammers, Wolf
Evaluation of the behavior and movement of adult summer steelhead in the lower Cowlitz River, Washington, following collection and release, 2013-2014; 2014; OFR; 2014-1122; Kock, Tobias J.; Liedtke, Theresa L.; Ekstrom, Brian K.; Gleizes, Chris; Dammers, Wolf

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Year Published: 2014

Assessing climate-change risks to cultural and natural resources in the Yakima River Basin, Washington, USA

We provide an overview of an interdisciplinary special issue that examines the influence of climate change on people and fish in the Yakima River Basin, USA. Jenni et al. (2013) addresses stakeholder-relevant climate change issues, such as water availability and uncertainty, with decision analysis tools. Montag et al. (2014) explores Yakama Tribal...

Hatten, James R.; Waste, Stephen M.; Maule, Alec G.
Assessing climate-change risks to cultural and natural resources in the Yakima River Basin, Washington, USA; 2014; Article; Journal; Climatic Change; Hatten, James R.; Waste, Stephen M.; Maule, Alec G.

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Year Published: 2014

Identifying stakeholder-relevant climate change impacts: a case study in the Yakima River Basin, Washington, USA

Designing climate-related research so that study results will be useful to natural resource managers is a unique challenge. While decision makers increasingly recognize the need to consider climate change in their resource management plans, and climate scientists recognize the importance of providing locally-relevant climate data and projections,...

Jenni, K.; Graves, D.; Hardiman, Jill M.; Hatten, James R.; Mastin, Mark C.; Mesa, Matthew G.; Montag, J.; Nieman, Timothy; Voss, Frank D.; Maule, Alec G.
Jenni, K. D. Graves, J. Hardiman, J. Hatten, M. Mastin, M. Mesa, J. Montag, T. Nieman, F. Voss, and A. Maule. 2014. Identifying stakeholder-relevant climate change impacts: A case study in the Yakima River Basin, Washington, USA. Climatic Change, 124 (1-2): 371-384

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Year Published: 2014

Wind River subbasin restoration: U.S. Geological Survey annual report November 2012 through December 2013

Executive Summary The Wind River subbasin in southwest Washington State provides habitat for a population of wild Lower Columbia River steelhead Oncorhynchus mykiss. There have been no hatchery steelhead planted in the Wind River subbasin since 1994, and hatchery adults are estimated to be less than one percent of adults in any year (pers comm....

Jezorek, Ian G.; Connolly, Patrick J.

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Year Published: 2014

Evaluating a slope-stability model for shallow rain-induced landslides using gage and satellite data

Improving prediction of landslide early warning systems requires accurate estimation of the conditions that trigger slope failures. This study tested a slope-stability model for shallow rainfall-induced landslides by utilizing rainfall information from gauge and satellite records. We used the TRIGRS model (Transient Rainfall Infiltration and Grid-...

Yatheendradas, S.; Kirschbaum, D.; Baum, Rex L.; Godt, Jonathan W.

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Year Published: 2014

Post-release behavior and movement patterns of Chinook salmon (Oncorhynchus tshawytscha) and coho salmon (Oncorhynchus kisutch) after capture using alternative commercial fish gear, lower Columbia River, Washington and Oregon, 2013

Commercial salmon Oncorhynchus spp. fishers traditionally have used gill nets, and more recently tangle nets, to capture adult salmon in the lower Columbia River, Washington and Oregon, but these gear types are not selective and can result in unintentional injury or death to non-target species, which is a problem when wild or Endangered Species...

Liedtke, Theresa L.; Kock, Tobias J.; Evans, Scott D.; Hansen, Gabriel S.; Rondorf, Dennis W.
Post-release behavior and movement patterns of Chinook salmon (Oncorhynchus tshawytscha) and coho salmon (Oncorhynchus kisutch) after capture using alternative commercial fish gear, lower Columbia River, Washington and Oregon, 2013; 2014; OFR; 2014-1069; Liedtke, Theresa L.; Kock, Tobias J.; Evans, Scott D.; Hansen, Gabriel S.; Rondorf, Dennis W.

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Year Published: 2014

Evaluation of juvenile salmonid behavior near a prototype weir box at Cowlitz Falls Dam, Washington, 2013

Collection of juvenile salmonids at Cowlitz Falls Dam is a critical part of the effort to restore salmon in the upper Cowlitz River because the majority of fish that are not collected at the dam pass downstream and enter a large reservoir where they become landlocked and lost to the anadromous fish population. However, the juvenile fish collection...

Kock, Tobias J.; Liedtke, Theresa L.; Ekstrom, Brian K.; Tomka, Ryan G.; Rondorf, Dennis W.
Evaluation of juvenile salmonid behavior near a prototype weir box at Cowlitz Falls Dam, Washington, 2013; 2014; OFR; 2014-1042; Kock, Tobias J.; Liedtke, Theresa L.; Ekstrom, Brian K.; Tomka, Ryan G.; Rondorf, Dennis W.

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Year Published: 2014

Guidelines for monitoring and adaptively managing restoration of Chinook salmon (Oncorhynchus tshawytscha) and steelhead (O. mykiss) on the Elwha River

As of January, 2014, the removal of the Elwha and Glines Canyon dams on the Elwha River, Washington, represents the largest dam decommissioning to date in the United States. Dam removal is the single largest step in meeting the goals of the Elwha River Ecosystem and Fisheries Restoration Act of 1992 (The Elwha Act) — full restoration of the...

Peters, R.J.; Duda, J.J.; Pess, G.R.; Zimmerman, M.; Crain, P.; Hughes, Z.; Wilson, A.; Liermann, M.C.; Morley, S.A.; McMillan, J.; Denton, K.; Warheit, K.
Guidelines for monitoring and adaptively managing restoration of Chinook salmon (Oncorhynchus tshawytscha) and steelhead (O. mykiss) on the Elwha River; 2014; Federal Government Series; Peters, R.J.; Duda, J.J.; Pess, G.R.; Zimmerman, M.; Crain, P.; Hughes, Z.; Wilson, A.; Liermann, M.C.; Morley, S.A.; McMillan, J.; Denton, K.; Warheit, K.

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Year Published: 2014

Diverse rupture modes for surface-deforming upper plate earthquakes in the southern Puget Lowland of Washington State

Earthquake prehistory of the southern Puget Lowland, in the north-south compressive regime of the migrating Cascadia forearc, reflects diverse earthquake rupture modes with variable recurrence. Stratigraphy and Bayesian analyses of previously reported and new 14C ages in trenches and cores along backthrust scarps in the Seattle fault zone...

Nelson, Alan R.; Personius, Stephen F.; Sherrod, Brian L.; Kelsey, Harvey M.; Johnson, Samuel Y.; Bradley, Lee-Ann; Wells, Ray E.

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Year Published: 2014

Modeling effects of climate change on Yakima River salmonid habitats

We evaluated the potential effects of two climate change scenarios on salmonid habitats in the Yakima River by linking the outputs from a watershed model, a river operations model, a two-dimensional (2D) hydrodynamic model, and a geographic information system (GIS). The watershed model produced a discharge time series (hydrograph) in two study...

Hatten, James R.; Batt, Thomas R.; Connolly, Patrick J.; Maule, Alec G.
Modeling effects of climate change on Yakima River salmonid habitats; 2014; Article; Journal; Climatic Change; Hatten, James R.; Batt, Thomas R.; Connolly, Patrick J.; Maule, Alec G.

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Year Published: 2014

A stakeholder project to model water temperature under future climate scenarios in the Satus and Toppenish watersheds of the Yakima River Basinin Washington, USA

The goal of this study was to support an assessment of the potential effects of climate change on select natural, social, and economic resources in the Yakima River Basin. A workshop with local stakeholders highlighted the usefulness of projecting climate change impacts on anadromous steelhead (Oncorhynchus mykiss), a fish species of importance to...

Graves, D.; Maule, A.
A stakeholder project to model water temperature under future climate scenarios in the Satus and Toppenish watersheds of the Yakima River Basinin Washington, USA; 2014; Article; Journal; Climatic Change; Graves, D.; Maule, A.

Filter Total Items: 857
August 3, 2017

C1 East Transect – 2017

Permanent Site: C1 East Transect; Depth: 8.5 Meters (28.0 Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14525225,-123.57294101; Site Description: Substrate is entirely sand. Current was high and contained lots of drift seaweed and eelgrass (0:05 seconds). In 2016 all seaweeds were absent but this

...
August 3, 2017

C1 West Transect – 2017

Permanent Site: C1 West Transect; Depth: 9.3 Meters (30.4 Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. Current was high and contained lots of drift seaweed and eelgrass (0:04, 0:38 seconds). Though seaweeds were absent in 2016

...
August 3, 2017

A2 East Transect – 2017

Permanent Site: A2 East Transect; Depth: 12.9 Meters (42.3 Feet); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Five species of seaweeds are present though not abundant. The two most

...
August 3, 2017

A2 West Transect – 2017

Permanent Site: A2 West Transect; Depth: 12.8 Meters (42.0 Feet); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14130295, -123.5883331; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud with scattered boulders. Seven species of seaweeds are present though not

...
Group of girls look at river
August 2, 2017

GeoGirls_Sediment1

GeoGirls collect water samples and flow measurements to model the transport of volcanic sediments.

August 2, 2017

H2 East Transect – 2017

Permanent Site: H2 East Transect; Depth: 7.6 Meters (24.8 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder and has not changed since dam

...
August 2, 2017

H2 West Transect – 2017

Permanent Site: H2 West Transect; Depth: 7.3 Meters (23.8 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder and has not changed since dam

...
August 2, 2017

A1 East Transect – 2017

Permanent Site: A1 East Transect; Depth: 7.7 Meters (25.4 Feet); Distance from river mouth: 1.8 Kilometers (1.1 Miles) West; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.13870775, -123.5855312; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud. Previous small boulders appear to still be buried. The sand on

...
August 2, 2017

A1 West Transect – 2017

Permanent Site: A1 West Transect; Depth: 8.7 Meters (28.7 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.13870775, -123.586203; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with patches of boulders. The sandy areas on the entire transect

...
August 1, 2017

K1 East Transect – 2017

Permanent Site: K1 East Transect; Depth: 6.2 Meters (20.4 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.13592923,-123.5101581; Site Description: This is a shallow site. Sediment is a gravel/sand mixture. Both red (1:29 seconds) and brown seaweed was abundant but this year browns were

...
August 1, 2017

K1 West Transect – 2017

Permanent Site: K1 West Transect; Depth: 5.5 Meters (18.0 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This is a shallow site. Sediment is a gravel/sand mixture. Both red (0:20, 0:25 seconds) and brown seaweed was abundant with the browns more

...
August 1, 2017

F2 West Transect – 2017

Permanent Site: F2 West Transect; Depth: 11.1 Meters (36.3 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15672004,-123.55036603; Site Description: Substrate is mainly a gravel/cobble mixture with an occasional boulder. Seven species of brown seaweed were present. Seaweed was abundant but not

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Filter Total Items: 344
Map of the 48 contiguous states showing Microcystin concentrations
May 31, 2016

First-of-its-kind survey shows that algal toxins are found nationwide

Issue4.4April2016Thumb
May 2, 2016

New WFRC Pump-house in Magnuson Park Provides Water for Scientific Research, Wetlands, Wildlife and Recreation

USGS
April 20, 2016

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. 

Murals on the USGS Western Fisheries Research Structure Pump House structure by Jeff Jacobson.
April 20, 2016

The U.S. Geological Survey announced the completion of its new Western Fisheries Research Center pump-house structure in the southeast part of Magnuson Park in Seattle. The pump-house provides water for scientific research, nearby wetlands and associated wildlife and recreation.

USGS
April 4, 2016

Water managers in eastern Washington now have access to the first U.S. Geological Survey computer model of the East Pasco Basin, allowing them to simulate “what-if” groundwater management scenarios, according to a USGS report.

Bat hanging from a cave ceiling
March 31, 2016

OLYMPIA, Wash. – White-nose syndrome (WNS) has been confirmed in a little brown bat (Myotis lucifugus) found near North Bend – the first recorded occurrence of this devastating bat disease in western North America. The presence of this disease was verified by the U.S. Geological Survey’s National Wildlife Health Center

USGS
February 10, 2016

The Sumas River, in northwest Washington, contains sediment that carries naturally occurring asbestos. 

Issue4.1January2016Thumb
February 3, 2016

Partnership Paves the Way for Understanding Biology of Threatened Snake River Basin Fall Chinook

Issue3.12December2015Thumb
January 5, 2016

How Infectious Hematopoietic Necrosis (IHN) Got its Name

USGS science for a changing world logo
December 10, 2015

CORVALLIS, Ore. – Northern spotted owl populations are declining in all parts of their range in the Pacific Northwest, according to research published in The Condor. Based on data from 11 study areas across Washington, Oregon and northern California, a rangewide decline of nearly 4 percent per year was estimated from 1985 to 2013.

Issue3.9September2015Thumb
December 8, 2015

Using Challenges and Prizes to Find Innovative Solutions

Image:  Big Sagebrush Re-establishing 15 Years Post-wildfire Along the Boise Front Mountains
December 7, 2015

CORVALLIS, Ore. — Ecosystem restoration is complex and requires an understanding of how the land, plants, and animals all interact with each other over large areas and over time. Today, the U.S. Geological Survey published part two of a three-part handbook addressing restoration of sagebrush ecosystems from the landscape to the site level.

Filter Total Items: 161