Matt Peterson

Scientific Director

Matt Peterson is a fisheries biologist with extensive experience in acoustic telemetry, life-history variation of steelhead, and statistics. He has a wide variety of experience in field and laboratory settings, including the installation, operation, and maintenance of stream-width PIT tag antennas; PIT tagging; ARIS sonar camera operation; acoustic telemetry; spawning surveys; diet analyses; population genetics; and age-and-growth studies. Matt assists in study design, statistical analysis, and technical reporting for a variety of complex research projects, and is skilled in the programming language of R as well as numerous statistical techniques.

Matt’s recent professional research has focused on fine-scale run timing of adult Chinook salmon and steelhead, evaluating factors associated with spatial distribution and densities of Oncorhynchus mykiss in the Central Valley, and providing statistical support for numerous research projects. Matt holds a master’s degree in fisheries biology from Humboldt State University, where he studied the inter-annual variation of complex life-history traits among Trinity River steelhead. He has worked previously as a staff research assistant at UC Davis, a watershed coordinator with the Western Shasta Resource Conservation District, and a fisheries technician at Green Diamond Resource Company.

Featured Projects

Selected Reports and Publications

Eschenroeder, J.C., M.L. Peterson, M. Hellmair, T.J. Pilger, D. Demko, and A. Fuller. 2022. Counting the parts to understand the whole: Rethinking monitoring of steelhead in California’s Central Valley. San Francisco Estuary and Watershed Science, 20(1). DOI: 10.15447/sfews.2022v20iss1art2

Peterson, M.L., D.J. Lee, J. Montgomery, M. Hellmair, A. Fuller, and D. Demko. 2020. Stability in reproductive timing and habitat usage of Chinook salmon across six years of varying environmental conditions and abundance. Fisheries Management and Ecology 2020;00: 1–18. DOI: 10.1111/fme.12421

Pilger, T., M. Peterson, D. Lee, A. Fuller, and D. Demko. 2019. Evaluation of long-term mark-recapture data for estimating abundance of juvenile fall-run Chinook salmon on the Stanislaus River from 1996 to 2017. San Francisco Estuary and Watershed Science 17. DOI: 10.15447/sfews.2019v17iss1art4

Patricio, H.C., S.A. Zipper, M.L. Peterson, S.M. Ainsley, E.K. Loury, S. Ounboundisane, and D.B. Demko. 2019. Fish catch and community composition in a data-poor Mekong River subcatchment characterised through participatory surveys of harvest from an artisanal fishery. Marine and Freshwater Research 70(2): 153-168. DOI: 10.1071/MF17338

Hellmair, M., M. Peterson, B. Mulvey, K. Young, J. Montgomery, and A. Fuller. 2018. Physical Characteristics Influencing Nearshore Habitat Use by Juvenile Chinook Salmon in the Sacramento River, California. North American Journal of Fisheries Management 38:12. DOI:10.1002/nafm.10201

Peterson, M.L., A.N. Fuller, and D. Demko. 2017. Environmental factors associated with the upstream migratory activity of fall-run Chinook salmon in a regulated river. North American Journal of Fisheries Management 37: 78-93. DOI: 10.1080/02755947.2016.1240120

Peterson, M.L. D.G. Hankin, and K. Manishin. 2017. Decline in the half-pounder life history among Trinity River, California, steelhead. Transactions of the American Fisheries Society 146: 1245-1261. DOI: 10.1080/00028487.2017.1356372

Arciniega, M., Clemento, A.J., Miller, M.R., Peterson, M., Garza, J.C., and D.E. Pearse. 2015. Parallel evolution of the summer steelhead ecotype in multiple populations from Oregon and Northern California. Conservation Genetics, 1-11. DOI: 10.1007/s10592-015-0769-2

Thomas, M.J., M.L. Peterson, E.D. Chapman, A.R. Hearn, G.P. Singer, R.D. Battleson, and A.P. Klimley. 2014. Behavior, movements, and habitat use of adult green sturgeon, Acipenser medirostris, in the upper Sacramento River. Environmental Biology of Fishes 97: 133-146. DOI: 10.1007/s10641-013-0132-8

Thomas, M.J., M.L. Peterson, N. Friedenberg, J.P. Van Eenennaam, J.R. Johnson, J.J. Hoover, and A.P. Klimley. 2013. Stranding of Spawning Run Green Sturgeon in the Sacramento River: Post-Rescue Movements and Population-Level Effects. North American Journal of Fisheries Management 33: 287-297. DOI: 10.1080/02755947.2012.758201

Chapman, E.D., A.R. Hearn, C. Michel, P. Sandstrom, A. Ammann, M.J. Thomas, G.P. Singer, S. Lindley, M.L. Peterson, R. MacFarlane and A.P. Klimley. 2012.  Diel movements of out-migrating Chinook salmon (Oncorhynchus tshawytscha) and steelhead trout (Oncorhynchus mykiss) smolts in the Sacramento-San Joaquin watershed. Environmental Biology of Fishes, DOI: 10.1007/s10641-012-0001-x

Singer, G.P., A.R. Hearn, E.D. Chapman, M.L. Peterson, P.E. LaCivita, W.N. Brostoff, A. Bremner and A.P. Klimley. 2012. Interannual variation of reach specific migratory success for Sacramento River hatchery yearling late-fall run Chinook salmon (Oncorhynchus tshawytscha) and steelhead trout (Oncorhynchus mykiss). Environmental Biology of Fishes, DOI: 10.1007/s10641-012-0037-y

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