Jason B Dunham

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November 20, 2017

Aquatic & Landscape Ecology Research Team (FRESC)

Fresh waters are one of the most valuable and threatened resources worldwide. They supply critical services to society and harbor many of the world’s most imperiled species. We conduct research and provide technical assistance to address challenges to fresh waters. Our research focuses on ecological processes in freshwater and terrestrial systems and the effects of those processes on landscape...

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Forest and Rangeland Ecosystem Science Center

Aquatic & Landscape Ecology Research Team (FRESC)

November 20, 2017

Aquatic & Landscape Ecology Research Team (FRESC)

Fresh waters are one of the most valuable and threatened resources worldwide. They supply critical services to society and harbor many of the world’s most imperiled species. We conduct research and provide technical assistance to address challenges to fresh waters. Our research focuses on ecological processes in freshwater and terrestrial systems and the effects of those processes on landscape...

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August 6, 2018

Phenology of hatching, emergence, and end-of-season body size in young-of-year Coho Salmon in thermally contrasting streams draining the Copper River Delta, Alaska Phenology of hatching, emergence, and end-of-season body size in young-of-year Coho Salmon in thermally contrasting streams draining the Copper River Delta, Alaska

Phenology can be linked to individual fitness, particularly in strongly seasonal environments where the timing of events have important consequences for growth, condition, and survival. We studied the phenology of Coho Salmon hatching and emergence in streams with contrasting thermal variability, but in close geographic proximity. Following emergence, we tracked body sizes of cohorts of...

Authors

Emily Y. Campbell, Jason B. Dunham, Gordon H. Reeves, Steve M. Wondzell

By

Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

May 1, 2018

Rivers are social–ecological systems: Time to integrate human dimensions into riverscape ecology and management Rivers are social–ecological systems: Time to integrate human dimensions into riverscape ecology and management

Incorporation of concepts from landscape ecology into understanding and managing riverine ecosystems has become widely known as riverscape ecology. Riverscape ecology emphasizes interactions among processes at different scales and their consequences for valued ecosystem components, such as riverine fishes. Past studies have focused strongly on understanding the ecological processes in...

Authors

Jason B. Dunham, Paul L. Angermeier, Shelley D. Crausbay, Amanda E. Cravens, Hannah Gosnell, Jamie McEvoy, Max A. Moritz, Nejem Raheem, Todd Sanford

By

Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

April 19, 2018

Monitoring stream temperatures—A guide for non-specialists Monitoring stream temperatures—A guide for non-specialists

Executive Summary Water temperature influences most physical and biological processes in streams, and along with streamflows is a major driver of ecosystem processes. Collecting data to measure water temperature is therefore imperative, and relatively straightforward. Several protocols exist for collecting stream temperature data, but these are frequently directed towards specialists...

Authors

Michael P. Heck, Luke D. Schultz, David Hockman-Wert, Eric C. Dinger, Jason B. Dunham

By

Ecosystems Mission Area, Water Resources Mission Area, Forest and Rangeland Ecosystem Science Center

April 3, 2018

Rising synchrony controls western North American ecosystems Rising synchrony controls western North American ecosystems

Along the western margin of North America, the winter expression of the North Pacific High (NPH) strongly influences interannual variability in coastal upwelling, storm track position, precipitation, and river discharge. Coherence among these factors induces covariance among physical and biological processes across adjacent marine and terrestrial ecosystems. Here, we show that over the...

Authors

Bryan A. Black, Peter van der Sleen, Emanuele Di Lorenzo, Daniel Griffin, William J. Sydeman, Jason B. Dunham, Ryan R. Rykaczewski, Marisol Garcia-Reyes, Mohammad Safeeq, Ivan Arismendi, Steven J. Bograd

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Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

February 1, 2018

Survey of beaver-related restoration practices in rangeland streams of the western USA Survey of beaver-related restoration practices in rangeland streams of the western USA

Poor condition of many streams and concerns about future droughts in the arid and semi-arid western USA have motivated novel restoration strategies aimed at accelerating recovery and increasing water resources. Translocation of beavers into formerly occupied habitats, restoration activities encouraging beaver recolonization, and instream structures mimicking the effects of beaver dams...

Authors

David S. Pilliod, Ashley T. Rohde, Susan Charnley, Rachael R Davee, Jason B. Dunham, Hannah Gosnell, Gordon E. Grant, Mark B. Hausner, Justin L. Huntington, Caroline Nash

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Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

January 1, 2018

Bioenergetic evaluation of diel vertical migration by bull trout (Salvelinus confluentus) in a thermally stratified reservoir Bioenergetic evaluation of diel vertical migration by bull trout (Salvelinus confluentus) in a thermally stratified reservoir

Many species living in deeper lentic ecosystems exhibit daily movements that cycle through the water column, generally referred to as diel vertical migration (DVM). In this study, we applied bioenergetics modelling to evaluate growth as a hypothesis to explain DVM by bull trout (Salvelinus confluentus) in a thermally stratified reservoir (Ross Lake, WA, USA) during the peak of thermal

Authors

Madeleine Eckmann, Jason B. Dunham, Edward J. Connor, Carmen A. Welch

By

Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Non-USGS Publications**

Rosenberger, A.E., Dunham, J.B., 2005, Validation of abundance estimates from mark-recapture and removal techniques for rainbow trout captured by electrofishing in small streams: North American Journal of Fisheries Management, v. 25, p. 1395-1410.

Dunham, J.B., Pilliod, D.S., Young, M., 2004, Assessing the Consequences of Nonnative Trout in Headwater Ecosystems in Western North America: Fisheries, v. 29, no. 6, p. 18-26, https://doi.org/http://dx.doi.org/10.1577/1548-8446(2004)29[18:ATCONT]2.0.CO;2.

Meeuwig, M.H., Dunham, J.B., Hayes, J.P., Vinyard, G.L., 2004, Effects of constant and cyclical thermal regimes on growth and feeding of juvenile cutthroat trout of variable sizes: Ecology of Freshwater Fish, v. 13, p. 208-216.

Poole, G.C., Dunham, J.B., Keenan, D.M., Sauter, S.T., McCullough, D.A., Mebane, C., Lockwood, J.C., Essig, D.A., Hicks, M.P., Sturdevant, D.J., Materna, E.J., Spalding, M., Risley, J., Deppman, M., 2004, The case for regime-based water quality standards: BioScience, v. 54, no. 2, p. 155-161.

Peterson, J., Dunham, J.B., 2003, Combining inferences from models of capture efficiency, detectability, and suitable habitat to classify landscapes for conservation of threatened bull trout: Conservation Biology, v. 17, no. 4, p. 1070-1077.

Dunham, J.B., Schroeter, R., Rieman, B.E., 2003, Influence of maximum water temperature on occurence of Lahotan cutthroat trout within streams: North American Journal of Fisheries Management, v. 23, p. 1042-1049.

Dunham, J.B., Rieman, B.E., Chandler, G.L., 2003, Influences of temperature and environmental variable on the distribution of bull trout within streams at the southern margin of its range: North American Journal of Fisheries Management, v. 23, p. 894-904, https://doi.org/http://dx.doi.org/10.1577/M02-028.

Isaak, D.J., Thurow, R.F., Rieman, B.E., Dunham, J.B., 2003, Temporal variation in synchrony among Chinook salmon (Oncorhynchus tshawytscha) redd counts from a wilderness area in central Idaho: Canadian Journal of Fisheries and Aquatic Sciences, v. 60, p. 840-848.

Dunham, J.B., Adams, S.B., Schroeter, R., Novinger, D.C., 2002, Alien invasions in aquatic ecosystems - Toward an understanding of brook trout invasions and potential impacts on inland cutthroat trout in western North America: Reviews in Fish Biology and Fisheries, v. 12, p. 373-391.

Dunham, J.B., Cade, B.S., Terrell, J.W., 2002, Influences of spatial and temporal variation on fish-habitat relationships defined by regression quantiles: Transactions of the American Fisheries Society, v. 131, p. 86-98.

Sauter, S.T., McMillan, J.R., Dunham, J.B., 2001, Salmonid behavior and water temperature: US Environmental Protection Agency, Region 10 EPA-910-D-01-001, p. 36.

Dunham, J.B., Rieman, B.E., Davis, K., 2001, Sources and magnitude of sampling error in redd counts for bull trout: North American Journal of Fisheries Management, v. 21, p. 343-352.

Dunham, J.B., 2000, Book Review - Metapopulations and Ecology by I. Hanksi. Oxford University Press, New York: Ecology, v. 81, no. 6, p. 1757-1758, https://doi.org/10.1890/0012-9658(2000)081[1757:MAE]2.0.CO;2.

Dunham, J.B., Rahn, M.E., Schroeter, R., Breck, S.W., 2000, Diets of sympatric Lahontan cutthroat trout and nonnative brook trout- implications for species interactions: Western North American Naturalist, v. 60, no. 3, p. 304-310.

Dunham, J.B., Dickerson, B.G., Beever, E.A., Duncan, R.D., Vinyard, G.L., 2000, Effects of food limitation and emigration on self-thinning in experimental minnow cohorts: Journal of Animal Ecology, v. 69, p. 927-934.

Rieman, B.E., Dunham, J.B., 2000, Metapopulations and salmonids - A synthesis of life history patterns and empirical observations: Ecology of Freshwater Fish, v. 9, p. 51-64.

Dunham, J.B., Peacock, M., Rieman, B.E., Schroeter, R., Vinyard, G.L., 1999, Local and geographic variability in the distribution of stream-living Lahontan cutthroat trout: Transactions of the American Fisheries Society, v. 128, p. 875-889.

Dunham, J.B., Rieman, B.E., 1999, Metapopulation structure of bull trout - Influences of physical, biotic, and geometrical landscape characteristics: Ecological Applications, v. 9, no. 2, p. 642-655, https://doi.org/10.1890/1051-0761(1999)009[0642:MSOBTI]2.0.CO;2.

Dunham, J.B., Minckley, W.L., 1998, Allozymic variation in desert pupfish from natural and artificial habitats- Genetic conservation in fluctuating populations: Biological Conservation, v. 84, p. 7-15.

Dunham, J.B., Vinyard, G.L., Rieman, B.E., 1997, Habitat fragmentation and extinction risk of Lahontan cutthroat trout: North American Journal of Fisheries Management, v. 17, p. 1126-1133.

Dunham, J.B., Vinyard, G.L., 1997, Incorporating stream level variability into analysis of site level fish habitat relationships- some cautionary examples: Transactions of the American Fisheries Society, v. 126, p. 323-329.

Dunham, J.B., Vinyard, G.L., 1997, Relationships between body mass, population density, and the self thinning rule in stream-living salmonids: Canadian Journal of Fisheries and Aquatic Sciences, v. 54, no. 5, p. 1025-1030, https://doi.org/10.1139/f97-012.

Luce, C.H., Rieman, B.E., Dunham, J.B., Clayton, J., King, J.G., and Black, T.A., 2001, Incorporating aquatic ecology into decisions on prioritization of road decommissioning: Water Resources Impact, v. 3, no. 3, p. 8-14.

**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.

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