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Filter Total Items: 84
Adult steelhead
Date Published: July 31, 2018
Status: Active

Steelhead (Oncorhynchus mykiss) - KFFS

Species Studied

Steelhead (Oncorhynchus mykiss)

Adult Lost River sucker
Date Published: July 31, 2018
Status: Active

Lost River Sucker (Deltistes luxatus) - KFFS

Species Studied

Lost River Sucker (Deltistes luxatus)

Juvenile coho salmon
Date Published: July 31, 2018
Status: Active

Coho Salmon (Oncorhynchus kisutch) - KFFS

Species Studied

Coho Salmon (Oncorhynchus kisutch)

Adult Klamath largescale sucker
Date Published: July 31, 2018
Status: Active

Klamath Largescale Sucker (Catostomus snyderi) - KFFS

Species Studied

Klamath Largescale Sucker (Catostomus snyderi)

Adult Chinook salmon
Date Published: July 31, 2018
Status: Active

Chinook Salmon (Oncorhynchus tshawytscha) - KFFS

Species Studied

Chinook Salmon (Oncorhynchus tshawytscha)

Anadromous bull trout
Date Published: July 31, 2018
Status: Active

Bull Trout (Salvelinus confluentus) - KFFS

Species Studied

Bull Trout (Salvelinus confluentus)

Installation of PIT tag antennas
Date Published: July 31, 2018
Status: Active

Research - Klamath Falls 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.

Fish Biologist with Shortnose Sucker
Date Published: July 31, 2018
Status: Active

Species Studied - Klamath Falls Field Station

Fish Species Studied at the Klamath Falls Field Station

Fish Biologist with a female Lost River Sucker
Date Published: July 31, 2018
Status: Active

Scientific and Taxonomic Emphases - Klamath Falls Field Station

Scientific Areas and Taxonomic Groups by Section

Downloading data in flood
Date Published: July 31, 2018
Status: Active

About Us - Klamath Falls Field Station

Mission Statement:

The primary mission of the Klamath Falls Field Station is to conduct rigorous scientific investigations into issues related to the management and recovery of endangered Lost River and shortnose sucker populations in the Upper...

KFFS Homepage Swoosh
Date Published: June 12, 2018
Status: Active

Klamath Falls Field Station (KFFS)

The Klamath Falls Field Station (KFFS) was established in 1999 at Klamath Falls, Oregon, and conducts research within the Klamath River Basin.

Contacts: Eric Janney
Photograph showing installation of a tensiometer at the Portland monitoring site.
Date Published: June 8, 2018
Status: Active

Portland, Oregon

Recent Conditions

Instrument installation at this site took place during the summer and fall of 2006. These instruments are used to monitor and detect changes in local conditions, including:

Contacts: Jonathan Godt, Rex Baum, Portland State University, The Oregon Department of Geology and Mineral Industries
Filter Total Items: 79
placeholder for data files
January 1, 2018

This dataset contains measures of oxygen consumption and stroke frequency from 1 captive subadult female polar bear (166.5 kg) resting in the water (n = 7 sessions) and swimming and diving in a metabolic swim flume with water circulated at approximately 0.6 km/hr during swimming and diving measurements (n = 6 sessions) in September 2017.

Mean annual streamflow permanence probability
January 1, 2018

The U.S. Geological Survey (USGS) has developed the PRObability of Streamflow PERmanence (PROSPER) model, a GIS raster-based empirical model that provides streamflow permanence probabilities (probabilistic predictions) of a stream channel having year-round flow for any unregulated and minimally-impaired stream channel in the Pacific Northwest region, U.S. The model provides annual

Mean annual streamflow permanence probability
January 1, 2018

The U.S. Geological Survey (USGS) has developed the PRObability of Streamflow PERmanence (PROSPER) model, a GIS raster-based empirical model that provides streamflow permanence probabilities (probabilistic predictions) of a stream channel having year-round flow for any unregulated and minimally-impaired stream channel in the Pacific Northwest region, U.S. The model provides annual

Stream observation points and focal basins for PROSPER project
December 22, 2017

This dataset includes spatial locations in the Pacific Northwest where streamflow observations were recorded. For the purpose of this investigation, all streamflow observations were converted into wet or dry indicator values.

Oregon spotted frog partially submerged
September 21, 2017

This dataset contains information from mark-recapture and egg mass surveys conducted by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring effort at Jack Creek, Klamath County, Oregon. Data consist of spotted frog counts aggregated by date, location, life stage, and sex, as well as data on environmental conditions at the time each survey.

USGS science for a changing world
September 18, 2017

We measured characteristics of 731 snags and quantified foraging and breeding use of snags by birds 25-27 years after their creation, and examined whether different harvest treatments (i.e., group selection, two-story, clearcut) and snag configurations (i.e., scattered and clustered) influenced snag characteristics or avian use for foraging and nesting.

USGS science for a changing world
August 31, 2017

This dataset contains count and detection-nondetection data of Barred Owls from 106 historical breeding territories of Northern Spotted Owl territories (i.e. sites) in the Oregon Coast Ranges from 1995 to 2016. 

USGS: Science for a changing world
August 29, 2017

The water level of Wapato Lake dictates the size (surface area) of the lake and the amount of water that it stores. This web page allows the user to interactively explore Wapato Lake water level data and how the water level translates into lake area and volume.

Illustration of bathymetry hillshade offshore of Oregon shows the contours of the seafloor in shades of gray.
July 25, 2017

Data collected during 12-hour day operations in 2014, out of Charleston Harbor near Coos Bay, Oregon. The cruise plan consisted of 23 days on site split between sonar mapping and video ground truth surveying.

Map showing Oregon coastal area and an outline of the area where data was collected offshore.
July 25, 2017

This data release includes the results of analysis of video data conducted by Oregon State University and the geo-habitat interpretation of multibeam echo sounder (MBES) data conducted by the USGS.

USGS science for a changing world
July 19, 2017

This dataset includes two spreadsheets: The "Avian_abundance_oak_mistletoe_bird_data" spreadsheet contains data regarding Oregon White Oak tree (Quercus garryana) measurements. The "Avian_abundance_oak_mistletoe_surveys_data" spreadsheet contains bird survey observations.

Filter Total Items: 183
Publication Thumbnail
Year Published: 2016

Evaluation of the biological and hydraulic performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, September 2015–January 2016

The biological and hydraulic performance of a portable floating fish collector (PFFC) located in the cul-de-sac of Cougar Dam and Reservoir, Oregon, was evaluated during 2015–16. The PFFC, first commissioned in May 2014, was modified during winter 2014–15 to address several deficiencies identified during operation and testing in 2014. These...

Beeman, John W.; Evans, Scott D.; Haner, Philip V.; Hansel, Hal C.; Hansen, Amy C.; Hansen, Gabriel S.; Hatton, Tyson W.; Kofoot, Eric E.; Sprando, Jamie M.
Beeman, J.W., Evans, S.D., Haner, P.V., Hansel, H.C., Hansen, A.C., Hansen, G.S., Hatton, T.W., Kofoot, E.E., and Sprando, J.M., 2016, Evaluation of the biological and hydraulic performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, September 2015–January 2016: U.S. Geological Survey Open-File Report 2016–1197, 98 p., https://doi.org/10.3133/ofr20161197.

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Year Published: 2016

A brackish diatom, Pseudofrustulia lancea gen. et sp. nov. (Bacillariophyceae), from the Pacific coast of Oregon (USA)

Light and electron microscope observations show that a brackish diatom taxon should be classified as a new species of a new genus; Pseudofrustulia lancea gen. et sp. nov. We propose separating Pseudofrustulia from other similar genera such as Frickea, Frustulia, Amphipleura, Muelleria, and Envekadea on the basis of its thickened axial ribs, raphe...

Sawai, Yuki; Nagumo, Tamotsu; Nelson, Alan R.

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Year Published: 2016

The persistence and characteristics of Chinook salmon migrations to the Upper Klamath River prior to exclusion by dams

In this research article, John Hamilton and his co-authors present extensive new research and information gathered since a 2005 publication on the historical evidence of anadromomous fish distribution in the Upper Klamath River watershed. Using historical accounts from early explorers and ethnographers to early-twentieth-century photographs,...

Hamilton, John B; Rondorf, Dennis W.; Tinniswood, William; Leary, Ryan J; Mayer, Tim; Gavette, Charleen; Casal, Lynne A.
J.B. Hamilton, D.W. Rondorf, W.R. Tinniswood, R.J. Leary, T. Mayer, C. Gavette, and L.A. Casal. 2016. "The Persistence and Characteristics of Chinook Salmon Migrations to the Upper Klamath River Prior to Exclusion by Dams." Oregon Historical Quarterly 117(3): 326-77.

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Year Published: 2016

Historical files from Federal Government mineral exploration-assistance programs, 1950 to 1974

The Defense Minerals Administration (DMA), Defense Minerals Exploration Administration (DMEA), and Office of Minerals Exploration (OME) mineral exploration programs were active over the period 1950–1974. Under these programs, the Federal Government contributed financial assistance in the exploration for certain strategic and critical minerals. The...

Frank, David G.
Frank, D.G., 2016, Historical files from Federal Government mineral exploration-assistance programs, 1950 to 1974: U.S. Geological Survey Data Series 1004, http://dx.doi.org/10.3133/ds1004.

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Year Published: 2016

Differences in coastal subsidence in southern Oregon (USA) during at least six prehistoric megathrust earthquakes

Stratigraphic, sedimentologic (including CT 3D X-ray tomography scans), foraminiferal, and radiocarbon analyses show that at least six of seven abrupt peat-to-mud contacts in cores from a tidal marsh at Talbot Creek (South Slough, Coos Bay), record sudden subsidence (relative sea-level rise) during great megathrust earthquakes at the Cascadia...

Milker, Yvonne; Nelson, Alan R.; Horton, Benjamin P.; Engelhart, Simon E.; Bradley, Lee-Ann; Witter, Robert C.
Milker, Y., Nelson, A. R., Horton, B. P., Engelhart, S. E., Bradley, L-A, and Witter, R. C., Differences in coastal subsidence in southern Oregon (USA) during at least six megathrust earthquakes, Quaternary Science Reviews , v. 142, p. 143-163, http://dx.doi.org/10.1016/j.quascirev.2016.04.017.

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Year Published: 2016

Relationships between diatoms and tidal environments in Oregon and Washington, USA

A new regional dataset comprising 425 intertidal diatom taxa from 175 samples from 11 ecologically diverse Oregon and Washington estuaries illustrates the importance of compiling a large modern dataset from a range of sites. Cluster analyses and detrended correspondence analysis of the diatom assemblages identify distinct vertical zones within...

Sawai, Yuki; Horton, Benjamin P.; Kemp, Andrew C.; Hawkes, Andrea D.; Nagumo, Tamostsu; Nelson, Alan R.

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Year Published: 2016

Effects of experimental removal of barred owls on population demography of northern spotted owls in Washington and Oregon—2015 progress report

Evidence indicates that competition with newly established barred owls (Strix varia) is causing rapid declines in populations of northern spotted owls (Strix occidentalis caurina), and that the longterm persistence of spotted owls may be in question without additional management intervention. A pilot study in California showed that lethal removal...

Wiens, J. David; Dugger, Katie M.; Lewicki, Krista E.; Simon, David C.
Wiens, J.D., Dugger, K.M., Lewicki, K.E., and Simon, D.C., 2016, Effects of experimental removal of barred owls on population demography of northern spotted owls in Washington and Oregon—2015 progress report: U.S. Geological Survey Open-File Report 2016-1041, 16 p., http://dx.doi.org/10.3133/ofr20161041.

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Year Published: 2016

Survival, movement, and health of hatchery-raised juvenile Lost River suckers within a mesocosm in Upper Klamath Lake, Oregon

The recovery of endangered Lost River suckers (Deltistes luxatus) in Upper Klamath Lake is limited by poor juvenile survival and failure to recruit into the adult population. Poor water quality, degradation of rearing habitat, and toxic levels of microcystin are hypothesized to contribute to low juvenile survival. Studies of wild juvenile suckers...

Hereford, Danielle M.; Burdick, Summer M.; Elliott, Diane G.; Dolan-Caret, Amari; Conway, Carla M.; Harris, Alta C.
Hereford, D.M., Burdick, S.M., Elliott, D.G., Dolan-Caret, Amari, Conway, C.M., and Harris, A.C., 2016, Survival, movement, and health of hatchery-raised juvenile Lost River suckers within a mesocosm in Upper Klamath Lake, Oregon: U.S. Geological Survey Open-File Report 2016–1012, 48 p., http://dx.doi.org/10.3133/ofr20161012.

Publication Thumbnail
Year Published: 2016

Evaluation of the hydraulic and biological performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, 2014

The biological and hydraulic performance of a new portable floating fish collector (PFFC) located in a cul-de-sac within the forebay of Cougar Dam, Oregon, was evaluated during 2014. The purpose of the PFFC was to explore surface collection as a means to capture juvenile salmonids at one or more sites using a small, cost-effective, pilot-scale...

Beeman, John W.; Evans, Scott D.; Haner, Philip V.; Hansel, Hal C.; Hansen, Amy C.; Hansen, Gabriel S.; Hatton, Tyson W.; Sprando, Jamie M.; Smith, Collin D.; Adams, Noah S.
Beeman, J.W., Evans, S.D., Haner, P.V., Hansel, H.C., Hansen, A.C., Hansen, G.S., Hatton, T.W., Sprando, J.M., Smith, C.D., and Adams, N.S., 2016, Evaluation of the biological and hydraulic performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, 2014: U.S. Geological Survey Open-File Report 2016-1003, 127 p., http://dx.doi.org/ 10.3133/ofr20161003.

Publication Thumbnail
Year Published: 2015

Collapse risk of buildings in the Pacific Northwest region due to subduction earthquakes

Subduction earthquakes similar to the 2011 Japan and 2010 Chile events will occur in the future in the Cascadia subduction zone in the Pacific Northwest. In this paper, nonlinear dynamic analyses are carried out on 24 buildings designed according to outdated and modern building codes for the cities of Seattle, Washington, and Portland, Oregon. The...

Raghunandan, Meera; Liel, Abbie B.; Luco, Nicolas

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Year Published: 2015

Health and condition of endangered juvenile Lost River and shortnose suckers relative to water quality and fish assemblages in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California

Executive Summary Most mortality of endangered Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) suckers in Upper Klamath Lake, Oregon, appears to occur within the first year of life. However, juvenile suckers in Clear Lake Reservoir, California, appear to survive longer and may even recruit to the spawning populations. Our...

Burdick, Summer M.; Elliott, Diane G.; Ostberg, Carl O.; Conway, Carla M.; Dolan-Caret, Amari; Hoy, Marshal S.; Feltz, Kevin P.; Echols, Kathy R.
Burdick, S.M., Elliott, D.G., Ostberg, C.O., Conway, C.M., Dolan-Caret, A., Hoy, M.S., Feltz, K.P., and Echols, K.R., 2015, Health and condition of endangered juvenile Lost River and shortnose suckers relative to water quality and fish assemblages in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California: U.S. Geological Survey Open-File Report 2015-1217, 56 p., http://dx.doi.org/10.3133/ofr20151217.

Filter Total Items: 177
May 31, 2017

Bob The Beaver

Meet Bob. 
Bob is a beaver. 

Beavers and their dams are common sights along creeks in Oregon. Beaver activity can create diverse habitats and homes for many animals, including birds, fishes, and dragonflies. The USGS are studying beaver dams and ponds in Portland, Oregon, to understand how they affect the amount and quality of water in urban streams. Insights

...
Idaho/Oregon border stake with person pulling a sled in background
February 1, 2017

Crossing the Idaho-Oregon border in winter

This remote area along the southern Idaho-Oregon border was affected by the 2015 Soda Fire, which burned nearly 400 square miles of sagebrush habitat important to many species of wildlife, as well as federal and private ranchlands. The USGS, in partnership with the Bureau of Land Management, is leading a first of its kind study on the efficacy of certain post-fire

...
Girls points to a location on a map laying on the ground.
December 31, 2016

GeoGirls learn about the eruption of Mount St. Helens

GeoGirls learn about how the May 18, 1980 eruption of Mount St. Helens impacted the ecology of the area.

Three girls sit on rocks and look at a computer screen.
December 31, 2016

Geogirls use computers in the field to track locations

Geogirls use computers in the field to track locations and annotate field photos.

September 22, 2016

Framework for Evaluating Multi-Species Climate Change Vulnerability

This webinar was conducted as part of the Climate Change Science and Management Webinar series, hosted in partnership by the USGS National Climate Change and Wildlife Science Center and the FWS National Conservation Training Center. 

Webinar Summary: Frameworks for evaluating the vulnerability of multiple species to decline or extinction are increasingly needed by

...
fishing zollner creek
September 16, 2016

Fishing Zollner Creek, OR

USGS team of scientists electro-shocking (fishing) Zollner Creek, OR.

Columbia River Gorge
August 11, 2016

Columbia River Gorge near The Dalles, Oregon

Columbia River Gorge near The Dalles, Oregon, May 2016

The USGS conducts landscape science to help understand what factors are involved in landscape change and how those factors influence the patterns and changes happening in a landscape.

August 7, 2016

GeoGirls: Five days of discovery at Mount St. Helens

Twenty middle-school girls from Washington and Oregon participated in the 2016 “GeoGirls” outdoor volcano science program at Mount St. Helens, jointly organized by the U.S. Geological Survey and the Mount St. Helens Institute. 

The GeoGirls spent five days conducting hands-on research and interacting with scientists, educators, and older students, learning about

...
mom and baby beaver
August 7, 2016

Adult and juvenile beaver near Windrose, Oregon

Adult and juvenile beaver near Windrose, Oregon

beaver
July 24, 2016

Beaver along bank of pond in Tualatin River Basin, OR

Beaver along bank of pond in Tualatin River Basin, OR

Filter Total Items: 222
Underwater photo of a rocky outcrop with many multicolored corals growing on it.
November 29, 2018

Researchers from the USGS Pacific Coastal and Marine Science Center (PCMSC) participated in a research cruise to survey deep-water coral, sponge, and fish habitats off U.S. West Coast.

Coho salmon
September 14, 2018

USGS researchers are assessing habitat condition, watershed processes, and coho salmon populations in the context of land management and restoration activities.

close up of an Oregon spotted frog's head from above
September 14, 2018

The Oregon spotted frog (OSF) is listed as federally threatened and predation by non-native species is thought to be one of the main conservation threats to this species.

View from the top deck of a ship on water, looking down on the bow with three people standing, with a bridge in the background.
September 7, 2018

From July 31 to August 23, a joint USGS-NOAA cruise mapped seafloor depths, texture, and gas seeps in the Cascadia subduction zone offshore of Washington, Oregon, and northern California.

Columbia spotted frog
August 10, 2018

Landscape genetics illustrate how landscape features influence species connectivity and can provide insights for species conservation efforts;however, factors that influence connectivity vary considerably, even among species occupying similar landscapes.

Map highlighting sampling locations of 339 Northern Spotted Owls used in Miller, et al, 2018
August 2, 2018

Federal researchers used landscape genetics to evaluate the role that forest connectivity plays in determining genetic connectivity for the federally-threatened northern spotted owl.

Elk
July 27, 2018

Land management practices often directly alter vegetation structure and composition, but the degree to which ecological processes such as herbivory are affected is poorly understood. 

Aerial photographs with study area delineations
July 20, 2018

Assessments of restoration effectiveness in riparian areas depend on quality monitoring data, which can be both expensive and difficult to collect. 

An animated GIF of an owl on a tree with a bobbing head going around in a circle.
July 9, 2018

In a study led by the USGS, researchers developed a framework to infer inbreeding rates of Northern Spotted Owls when incomplete parentage information exists.

Managed Oregon forest landscape
February 12, 2018

Timber harvest is a significant driver of mercury releases in some parts of the world.

Issue5.10October2017Thumb
November 21, 2017

Scientists Continue to Gain Insights into Endangered Suckers in the Klamath Basin

Filter Total Items: 57