Source: https://www.usgs.gov/staff-profiles/jason-b-dunham
Timestamp: 2019-04-25 00:36:20+00:00

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Native lampreys are culturally significant fishes for tribal communities in Oregon. As such, the USGS has begun working with the Cow Creek Band of Umpqua Tribe of Indians to study changes that may be affecting habitat for native Pacific and western brook lampreys in the Umpqua River basin.
Chinook Salmon and Pacific Lamprey are culturally significant fishes to the Tribal community along the Siletz River, Oregon. The USGS has begun studying how streamflow and bedload conditions may influence mainstem spawning habitats.
View this webinar to learn about a new initiative to address knowledge gaps in water availability at the landscape scale.
View this webinar to learn more about threatened bull trout.
These tabular, spatial, and code data sets were created in support of a stream temperature monitoring study in the Willow-Whitehorse and Little Blitzen watersheds in southeastern Oregon from 2011-2015.
Stream segments, aquatic organism captures, stream surveys, and road-stream crossings described by these metadata accompany a 2012 electrofishing study of the distribution and abundance of aquatic organisms conducted by the U.S. Geological Survey, and the U.S. Forest.
Mims, Meryl C.; Day, Casey C.; Burkhart, Jacob J.; Fuller, Matthew R.; Hinkle, Jameson; Bearlin, Andrew; Dunham, Jason B.; DeHaan, Patrick W.; Holden, Zachary A.; Landguth, Erin L.
Leasure, Douglas R.; Wenger, Seth J.; Chelgren, Nathan; Neville, Helen M.; Dauwalter, Daniel C.; Bjork, Robin; Fesenmyer, Kurt A.; Dunham, Jason B.; Peacock, Mary M.; Luce, Charlie H.; Lute, Abby C.; Isaak, Daniel J.
Campbell, Emily Y.; Dunham, Jason B.; Reeves, Gordon H.; Wondzell, Steve M.
Dunham, J.B., Angermeier, P.L., Crausbay, S., Cravens, A., Gosnell, H., McEvoy, J., Moritz, M., Raheem, N., Sanford, T., 2018, Rivers are social–ecological systems- Time to integrate human dimensions into riverscape ecology and management: WIREs Water, p. online, https://doi.org/10.1002/wat2.1291.
Heck, Michael P.; Schultz, Luke D.; Hockman-Wert, David; Dinger, Eric C.; Dunham, Jason B.
Heck, M.P., Schultz, L.D., Hockman-Wert, D., Dinger, E.C., and Dunham, J.B., 2018, Monitoring stream temperatures—A guide for non-specialists: U.S. Geological Survey Techniques and Methods, book 3, chap. A25, 76 p., https://doi.org/10.3133/tm3A25.
Black, Bryan A.; van der Sleen, Peter; Di Lorenzo, Emanuele; Griffin, Daniel; Sydeman, William J.; Dunham, Jason B.; Rykaczewski, Ryan R.; Garcia-Reyes, Marisol; Safeeq, Mohammad; Arismendi, Ivan; Bograd, Steven J.
Black, B.A., van der Sleen, P., Di Lorenzo, E., Griffin, D., Sydeman, W.J., Dunham, J.B., Rykaczewski, R.R., Garcia-Reyes, M., Safeeq, M., Arismendi, I., Bograd, S.J., 2018, Rising synchrony controls western North American ecosystems: Global Change Biology, p. online, https://doi.org/10.1111/gcb.14128.
Pilliod, D.S., Rohde, A.T., Charnley, S., Davee, R.R., Dunham, J.B., Gosnell, H., Grant, G.E., Hausner, M.B., Huntington, J.L., Nash, C., 2018, Survey of beaver-related restoration practices in rangeland streams of the western USA: Environmental Management, v. 61, p. 58-68, https://doi.org/10.1007/s00267-017-0957-6.
Brignon, William R.; Peterson, James; Dunham, Jason B.; Schaller, Howard A.; Schreck, Carl B.
Brignon, W. R., Peterson, J. T., Dunham, J. B., Schaller, H. A., & Schreck, C. B. (2017). Evaluating Tradeoffs in Bull Trout Reintroduction Strategies Using Structured Decision Making. Canadian Journal of Fisheries and Aquatic Sciences.
Eckmann, Madeleine; Dunham, Jason B.; Connor, Edward J.; Welch, Carmen A.
Eckmann, M., Dunham, J.B., Connor, E.J., Welch, C.A., 2016, Bioenergetic evaluation of diel vertical migration by bull trout (Salvelinus confluentus) in a thermally stratified reservoir: Ecology of Freshwater Fish, p. online, http://dx.doi.org/10.1111/eff.12321.
Arismendi, I., Dunham, J.B., Heck, M.P., Schultz, L.D., Hockman-Wert, D.P., 2017, A statistical method to predict flow permanence in dryland streams from time series of stream temperature: Water, v. 9, no. 12, p. 946, https://doi.org/10.3390/w9120946.
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.
Survival and reproductive success of salmon and other diadromous fish depends on a return from the sea and upstream migration tens to thousands of miles through complex riverscapes to their birthplace.
Species reintroduction is a powerful conservation tool when successful, but it is an expensive management strategy and for many species including freshwater fish, reintroduction attempts often fail.
An interdisciplinary team comprised of USGS and university scientists has developed the Probability of Streamflow Permanence Model or PROSPER which predicts flow permanence for unregulated and minimally impaired streams in the Pacific Northwest.
Population viability analysis (PVA) bridges the gap between theoretical and applied ecology and is used to make policy decisions on high-profile conservation efforts. However, it’s use is limited to a single or few populations with long-term data.
Species rarity and life history traits are known within the field of conservation biology to be associated with extinction risk and may also be employed to inform their sensitivity or capacity to adapt to future climates.
USGS researchers are assessing habitat condition, watershed processes, and coho salmon populations in the context of land management and restoration activities.

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