Category: Principal and Senior Scientists

Program Manager III

B.S. Fisheries and Wildlife; M.S. Aquatic and Fishery Sciences

Phone: (503) 446-5942

 

Portland, Oregon

Hans has over 20 years of experience working in state and local governments developing natural resource policies, managing salmon and aquatic habitat restoration projects, and conducting research in terrestrial and aquatic systems. He has expertise in leading project teams to conduct research and perform complex analyses, scope and implement restoration projects, develop salmon recovery plans, implement effective monitoring programs, complete fish passage improvement projects, and identify solutions to a variety of complex fisheries and environmental issues. He excels at working with multi-dimensional stakeholder groups to use science to address pressing natural resource challenges.

Selected Publications

 

Berge, H. B., H. Haemmerle, and T. Miskovic. 2017. Monitoring the effectiveness of forest practice rules in protecting aquatic resources. Northwest Woodlands 33(3):14-27.

 

Tabor, R. A., A. Bell, D. Lantz, H. B. Berge, and D. Hawkins. 2017. Phototaxic behavior of subyearling salmonids in the nearshore area of two urban lakes in western Washington state. Transactions of the American Fisheries Society 146:753-761.

 

Black, R. W., C. R. Czuba, C. S. Magirl, S. McCarthy, H. Berge, and K. Comanor. 2016. Effects of a levee setback on aquatic resources using two-dimensional flow and bioenergetics models. United States Geological Survey Scientific Investigation Report 2016-5025, Reston, Virginia.

 

Tabor, R. A., R. Peters, H. B. Berge, and R. Piaskowski. 2016. Diet of the torrent sculpin, Cottus rhotheus, in the Cedar River, Washington: effect of season, habitat type, and predator size with emphasis on piscivory. Northwestern Naturalist 97:190-204.

 

David, A. T., C. A. Simenstad, J. R. Cordell, J. D. Toft, C. S. Ellings, A. Gray, and H. B. Berge. 2015. Wetland loss, juvenile salmon foraging performance, and conspecific density-dependence in Pacific Northwest estuaries. Estuaries and Coasts 1-14.

 

Quinn, T. P., M. H. Bond, and H. B. Berge. 2015. Use of egg size differences in anadromous (sockeye salmon) and non-anadromous (kokanee) forms of Oncorhynchus nerka to infer ancestral origin of a landlocked population. Ecological Research 30(3):547-554.

 

Tabor, R. A., D. W. Lantz, J. D. Olden, and H. B. Berge. 2015.  Assessment of introduced prickly sculpin populations in mountain lakes in two areas of western Washington State. Northwest Science 89(1):1-13.

 

Tabor, R. A., H. B. Berge, M. M. Klungle, B. E. Thompson, D. W. Lantz, and B. E. Price. 2014. Predation of juvenile salmonids by resident trout and other fishes in the lower Cedar River, Washington. Final report to Seattle Public Utilities, Seattle, Washington.

 

Burton, K. D., L. G. Lowe, H. B. Berge, H. K. Barnett, and P. L. Faulds. 2013.  Comparative dispersal patterns for recolonizing Cedar River Chinook above Landsburg Dam, Washington, and the source population below the dam. Transactions of the American Fisheries Society 142(3):703-716.

 

Konrad, C., H. B. Berge, R. Fuerstenberg, K. Steff, T. Olsen, and J. Guyenet. 2011. Channel dynamics in the Middle Green River, Washington, from 1936 to 2002.  Northwest Science 85(1):1-14.

 

DeGasperi, C. L., H. B. Berge, K. R. Whiting, J. J. Burkey, J. L. Cassin, and R. R. Fuersteerg. 2009. Linking hydrologic alteration to biological impairment in urbanizing streams of the Puget Lowland, Washington, USA. Journal of the American Water Resources Association (JAWRA) 45(2):512-533.

 

Overman, N. C., D. B. Beauchamp, H. B. Berge, M. M. Mazur, and J. K. McIntyre. 2009. Differing forage fish assemblages influence trophic structure in neighboring urban lakes. Transactions of the American Fisheries Society 138:741-755.

 

Matzen, D. A., and H. B. Berge.  2008. Assessing small stream biotic integrity using fish assemblages across an urban landscape in the Puget Sound Lowlands of Western Washington. Transactions of the American Fisheries Society 137:677-689.

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Senior Scientist

B.S.c. Environmental Science; M.S.c. Marine Biology

Phone: (206) 960-4585

 

Issaquah, Washington

Jason has over 18 years of experience in the design and implementation of fisheries research, restoration effectiveness monitoring, and status and trends monitoring studies. He has worked on numerous projects focused on salmonid ecology, life history diversity, habitat restoration, and habitat use during riverine, estuarine, and marine life stages. His most recent work has focused on nearshore and estuarine environments with a particular focus on using geographic information systems (GIS) and remote sensing to address watershed and regional-scale habitat status, trends, and restoration effectiveness questions. In addition, he has published numerous papers in scientific journals and regularly presents at conferences.

Selected Publications

 

Roni, P., J. E. Hall, S. M. Drenner, and D. Arterburn. 2019. Monitoring the effectiveness of floodplain habitat restoration: A review of methods and recommendations for future monitoring. Wiley Interdisciplinary Reviews: Water:e1355.

 

Stefankiv, O., J. Hall, B. Timpane-Padgham, C. Nicol, C. Fogel, T. J. Beechie, and G. R. Pess. 2019. Salmon Habitat Status and Trends: Monitoring Protocols. U.S. Department of Commerce, NOAA Processed Report NMFSNWFSC-PR-2019-03.

 

Stefankiv, O., T. J. Beechie, J. E. Hall, G. R. Pess, and B. Timpane-Padgham. 2019. Influences of valley form and land use on large river and floodplain habitats in Puget Sound. River Research and Applications 35:133-145.

 

Hall, J. E., C. M. Greene, O. Stefankiv, J. Anderson, B. Timpane-Padgham, T. J. Beechie, and G. R. Pess. 2018. Large river habitat complexity and productivity of Puget Sound Chinook salmon. PLoS One 13(11):e0205127.

 

Hall, J. E., T. P. Khangaonkar, C. A. Rice, J. Chamberlin, T. Zackey, F. Leonetti, M. Rustay, K. Fresh, A. Kagley, and M. Rowse. 2018. Characterization of annual salinity and temperature patterns in a large river delta to support tidal wetland habitat restoration efforts. Northwest Science 92(1):445-461.

 

Hall, J. E., P. Roni, T. Bennett, J. McMillan, K. Hanson, R. Moses, M. McHenry, G. Pess, and W. Ehinger. 2016. Life history diversity of steelhead in two coastal Washington watersheds. Transactions of the American Fisheries Society 145(5):990-1005.

 

Hall, J. E., M. M. Pollock, S. Hoh, C. Volk, J. Goldsmith, and C. E. Jordan. 2015. Evaluation of deep-planting and herbivore protection methods to restore riparian vegetation in a semiarid watershed without irrigation. Ecosphere 6(12):263.

 

Greene, C.M., J.E. Hall, and E. Beamer. 2012. Biological and physical effects of “fish-friendly” tide gates. ESRP/WA RCO, Olympia, WA.

 

Greene, C., C. Rice, L. Rhodes, K. Fresh, H. Daebenberger, B. Beckman, J. E. Hall, J. Chamberlin, P. McCollum, and S. Steltzner. 2012. Evaluating the ecological health of Puget Sound’s pelagic food web. US EPA National Estuaries Program, Washington, DC.

 

Greene, C. M., J. E. Hall, K. R. Guilbault, and T. P. Quinn. 2010. Improved viability of populations with diverse life-history portfolios. Biological Letters 6:382-386.

 

Hall, J. E., D. M. Holzer, and T. J. Beechie. 2007. Predicting floodplain locations and channel migration potential in the Columbia River. Journal of the American Water Resources Association 43(3):786-797.

 

Kiffney, P. M., C. Green, J. E. Hall and J. Davies. 2006. Tributary streams create spatial discontinuities in habitat, biological productivity and diversity in main stem rivers. Canadian Journal of Fisheries and Aquatic Sciences 63(11):2518-2530.

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R&D Program Manager

B.S. Ecology and Systematic Biology

Phone: (209) 353-2225

 

Ripon, California

Jesse has over 20 years of fisheries experience in the Central Valley and leads the CFS Research and Development Lab. He is responsible for coordinating field efforts and projects throughout the region. Jesse has over 16 years of experience designing, constructing, operating, and monitoring resistance board weirs in a wide variety of river environments throughout the world. He has extensive experience with a wide variety of field research techniques, environmental permitting, stormwater monitoring, and habitat restoration. Jesse is also an FAA certified commercial sUAS (drone) pilot.

Selected Publications

 

Anderson, J. T., G. Schumer, P. J. Anders, K. Horvath, and J. E. Merz. 2018. Confirmed observation: a North American green sturgeon Acipenser medirostris recorded in the Stanislaus River, California. Journal of Fish and Wildlife Management 9(2):624-630.

 

Anderson, J. T., J. E. Merz, C. B. Watry, and M. K. Saiki. 2015. Comparison of selected population characteristics of adult Chinook salmon during upstream passage through a resistance board weir and during carcass surveys. California Fish and Game 101(1):24-39.

 

Anderson, J. T., D. Olsen, K. Sellheim, T. Hinkelman, and J. E. Merz. 2014. Juvenile salmonid out-migration monitoring at Caswell Memorial State Park in the Stanislaus River, California. Biannual Report to the U.S. Fish and Wildlife Service Comprehensive Assessment and Monitoring Program.

 

Anderson, J. T., C. B. Watry, and A. Gray. 2007. Upstream fish passage at a resistance board weir using infrared and digital technology in the lower Stanislaus River, California. Annual Report to U.S. Fish and Wildlife Service, Anadromous Fish Restoration Program, Grant No. 813326G004, Stockton, California.

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Science Operations Manager
B.S. Organismal Biology; M.S. Fisheries Biology
Phone: (916) 250-1705

 

West Sacramento, California

Jesse has nearly a decade of experience working in fisheries. His diverse background allows him to contribute to a variety of CFS projects spanning multiple biological disciplines. Jesse has served as the lead biologist on predation assessments, otolith microstructure studies, as well as numerous restoration monitoring projects to benefit salmonids. His analytical experience includes macroinvertebrate and fisheries community analysis, genetic analysis, and otolith microstructure analysis. His other experience includes PIT tag antenna arrays, electrofishing, stomach content analysis, salmonid carcass and redd surveys, rotary screw trapping, seining, trawling, and snorkel surveys. Jesse is an expert at identifying California’s diverse fishes, and an experienced boat operator in lakes, rivers, and deltas.

Selected Publications

 

Selheim, K. L., R. A. Brown, J. T. Anderson, M. Vaghti, J. C. Wiesenfeld, P. A. Colombano, J. K. Sweeney, and J. E. Merz. 2019. Merced River Ranch and Henderson Park restoration projects on the Merced River, California. Final report to the U.S. Fish and Wildlife Service.

 

Beaks M. P., J. C. Wiesenfeld, and R. A. Brown. 2018. Spatial Stream Network Modeling of Suisun Creek. Report to the California Land Stewardship Institute.

 

Wiesenfeld, J. C., D. H. Goodman, and A. P. Kinziger, 2018. Riverscape genetics identifies speckled dace (Rhinichthys osculus) cryptic diversity in the Klamath–Trinity Basin. Conservation Genetics 19(1):111-127. DOI:10.1007/s10592-017-1027-6.

 

Merz, J. M., A. Brodsky, K. Sellheim, J. K. Sweeney, and J. C. Wiesenfeld. 2017. Evaluation of gravel placement on juvenile salmonid prey assemblages in the lower American River, California, 2013-2015 Data Report. Report to the Sacramento Water Forum.

 

Wiesenfeld, J. C., S. C. Zeug, A. Brodsky, K. Sellheim, and J.E. Merz. 2017. San Joaquin River Restoration Floodplain Production Study Report. Report to the U.S. Fish and Wildlife Service.

Blankenship, S. M., G. Schumer, and J. C. Wiesenfeld. 2015. Delta smelt effective population size preliminary report. Report to the State and Federal Contractors Water Agency.

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Senior Scientist
B.A. Applied Mathematics; M.S. Environmental Systems – Mathematical Modeling; Ph.D. Quantitative Ecology and Resource Management
Phone: (206) 960-4498

 

Issaquah, Washington

Kai is a biometrician and modeler with over 10 years of broad experience in mathematical modeling, spatial analysis, and data visualization. His work focuses on providing decision support for natural resource management through mathematical and statistical modeling, exploring and visualizing data, and quantifying trade-offs. He has a wide-range of experience with mathematical modeling including optimization modeling (integer and multi-objective models), simulation modeling (agent/individual-based models, growth and yield), statistical modeling (model and parameter fitting, both frequentist and Bayesian), and spatial analysis using geographic information systems (GIS).

Selected Publications

 

Timm R. K., L. Caldwell, A. Nelson, C. Long, M. B. Chilibeck, M. Johnson, K. Ross, A. Muller, and J. M. Brown. 2019. Drones, hydraulics, and climate change: inferring barriers to steelhead spawning migrations. WIREs Water 6:e1379.

 

Roni, P., M. Krall, C. Clark, and K. Ross. 2019. Salmon Recovery Funding Board reach-scale project effectiveness monitoring program: 2018 Final Report. Report to the Washington Salmon Recovery Funding Board, Recreation and Conservation Office, Olympia, Washington.

 

Roni, P., C. Clark, M. Krall, S. Burgess, and K. Ross. 2019. Bonneville Power Administration Action Effectiveness Monitoring Program – 2018 Annual Report. Report to Bonneville Power Administration, Project Number 2016-001-00, Portland, Oregon.

 

Ross, K. L., S. F. Tóth, and W. Jaross. 2018. Forest harvest scheduling with endogenous road costs. Interfaces 48(3):260-270.

 

Clark, C., M. Krall, K. Ross, and P. Roni. 2018. OWEB-SRFB coordinated monitoring program for livestock exclusion projects: 2017 Final Report. Report to the Washington Salmon Recovery Funding Board, Olympia, Washington.

 

Caldwell, L., D. Stroud, F. Carpenter, L. Belcher, M. Morasch, K. Denton, and K. Ross. 2017. Merwin upstream passage adult trap efficiency: 2016 Final Report. Report to Pacific Power (A Division of PacifiCorp).

 

Ceder, K., M. Teply, and K. Ross. 2016. Eastside modeling effectiveness project (EMEP). Report to the Washington Department of Natural Resources Cooperative Monitoring, Evaluation, and Research Committee, Olympia, Washington.

 

Ross, K. L. 2016. Extending harvest-scheduling using spatial optimization: road access and edge effects. Doctoral dissertation. University of Washington, Seattle.

 

Ross, K. L., and S. F. Tóth. 2016. A model for managing edge effects in harvest scheduling using spatial optimization. Scandinavian Journal of Forest Research 31(7):646-654.

 

Van Kirk, R., S. Martin, K. Ross, and M. Douglas. 2014. Computer simulation modeling to determine trailhead quotas for overnight wilderness visitor use. Journal of Park and Recreation Administration 32(3).

 

Ross, K. 2011. A simulation model for wilderness use in Yosemite National Park. Master’s Thesis. Humboldt State University, Arcata, California.

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Science Operations Manager, Senior Scientist
B.S. Ecology and Evolutionary Biology; M.S. Population Biology
Phone: (916) 250-2203

 

West Sacramento, California

Kirsten is a Senior Scientist in the CFS River Science and Restoration lab in West Sacramento, California. She is responsible for coordinating and leading field efforts for monitoring and restoration projects throughout the Central Valley. Kirsten has 16 years of experience conducting field-based fisheries studies and has written and edited numerous scientific manuscripts and technical reports related to river restoration, spawning and outmigration monitoring, community ecology, invasive species, and restoration prioritization. She has extensive experience with state and federal permitting, particularly for restoration projects. She trains technicians and biologists and has developed field and laboratory protocols, study designs, and safety protocols for field monitoring.

Selected Publications

 

Merz, J. E., L. Caldwell, M. Beakes, C. Hammersmark, and K. Sellheim. 2018. Balancing competing life stage requirements in salmon habitat rehabilitation: between a rock and a hard place. Restoration Ecology. Early View only. DOI: 10.1111/rec.12900.

 

Sellheim, K., M. Willmes, J. A. Hobbs, J. J. G. Glessner, Z. J. Jackson, and J. E. Merz. 2017. Validating fin ray microchemistry as a tool to reconstruct the migratory history of white sturgeon Acipenser transmontanus. Transactions of the American Fisheries Society. Transactions of the American Fisheries Society 146(5):844-857.

 

Sellheim, K., M. Vaghti, and J. Merz. 2016. Vegetation recruitment in an enhanced floodplain: ancillary benefits of salmonid habitat enhancement. Limnologica 58:94-102.

 

Sellheim, K., C. Watry, B. Rook, S. Zeug, J. Hannon, J. Zimmerman, K. Dove, and J. Merz. 2015. Juvenile salmonid utilization of floodplain rearing habitat after gravel augmentation in a regulated river. River Research and Applications 32(4):610-621.

 

Zeug, S. C., K. Sellheim, C. Watry, J. D. Wikert, and J. Merz. 2014. Response of juvenile anadromous salmon to managed flow: lessons learned from the southern extent of Chinook salmon in North America. Fisheries Management and Ecology 21(2):155-168.

 

Anderson, I. J., M. K. Saiki, K. Sellheim, and J. E. Merz. 2014. Differences in benthic macroinvertebrate assemblages associated with a bloom of Didymosphenia geminata in the Lower American River, California. The Southwestern Naturalist 59(3):389-395.

 

Zeug, S. C., K. Sellheim, C. Watry, B. Rook, J. Hannon, J. Zimmerman, D. Cox, and J. Merz. 2014. Gravel augmentation increases spawning utilization by anadromous salmonids: a case study from California, USA. River Research and Applications 30(6):707-718.

 

Edwards, K. F., K. M. Aquilino, R. J. Best, K. L. Sellheim, and J. J. Stachowicz. 2010. Prey diversity is associated with weaker consumer effects in a meta- analysis of benthic marine experiments. Ecology Letters 13(2): 194-201.

 

Sellheim, K. L., J. J. Stachowicz, and R. C. Coates. 2010. Effects of a nonnative habitat-forming species on mobile and sessile epifaunal communities. Marine Ecology Progress Series 398: 69-80.

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Senior Geomorphologist

B.S. Fishery Resources, M.S. Watershed Sciences

Phone: (208) 810-4887

 

Boise, Idaho

Reid is a fluvial geomorphologist with over 10 years of experience in restoration effectiveness monitoring, geomorphic assessments, aquatic habitat surveys, and restoration planning, design, and implementation. His work focuses on holistic approaches to assessing complex ecosystem questions by studying the interaction of fluvial and biological processes among multiple spatial and temporal scales. Reid designs and implements stream restoration projects using low-tech methods, including post assisted log structures (PALS), beaver dam analogues (BDA), and direct felling. He has extensive experience using geographic information systems for cartography and geomorphic, hydrologic, and riparian analyses. He also specializes in creating and managing databases including developing apps and tools for creating functional products from large datasets.

Selected Publications

 

Camp, R., and co-authors. 2019. Chapters 2, 4, 5, 6, and 7. Pages 59-88 and 146-284 in J. M. Wheaton, S. N. Bennett, N. Bouwes, J. D. Maestas, and S. M. Shahverdian, editors. Low-Tech process-based restoration of riverscapes: Design manual. Version 1.0. Utah State University Restoration Consortium. Logan, UT. DOI: 10.13140/RG.2.2.19590.63049/2. Available at: http://lowtechpbr.restoration.usu.edu/manual.

 

Bennett, S., R. Camp, A. Hill, J. Wheaton, N. Bouwes, G. O’Brien, B. Floyd, and T. Drury 2018. Asotin county conceptual restoration plan. Report to Asotin County Conservation District, Asotin, Washington.

 

Bennett, S., R. Camp, J. Wheaton, N. Bouwes, G. O’Brien, A. Hill, B. Floyd, and T. Drury 2018. Asotin county watershed assessment. Report prepared for Asotin County Conservation District. Asotin, Washington.

 

Sage Environmental Research, LLC. 2018. Rattlesnake Creek conceptual rehabilitation plan. Report to the Asotin County Conservation District, Asotin, Washington.

 

Camp, R. 2017. Penawawa Creek instream habitat rehabilitation: 2017 Progress Report. Report prepared to the Washington State Recreation and Conservation Office, Olympia, Washington.

 

Camp, R. 2017. PALS in Asotin Creek: a friendly addition to impaired streams. Ripples in the Grand Ronde Newsletter, Spring Edition, La Grande, Oregon.

 

Camp, R., and S. Bennett. 2017. Alpowa Creek watershed riparian assessment. Report to the Palouse Conservation District, Pullman, Washington.

 

Camp, M., J. Rachlow, R. Cisneros, D. Roon, and R. Camp. 2016. Evaluation of global positioning system telemetry collar performance in the tropical Andes of southern Ecuador. Natureza & Conservação 14(2):128–131.

 

Kasprak, A., N. Hough-Snee, T. Beechie, N. Bouwes, G. Brierley, R. Camp, K. Fryirs, H. Imaki, M. Jensen, G. O’Brien, D. Rosgen, and J. Wheaton. 2016. The blurred line between form and process: a comparison of stream channel classification frameworks. PLoS One 11(3):e0150293.

 

Bennett, S., R. Camp, A. Hill, E. Portugal, and N. Weber. 2015. Working with beaver in Pataha creek to restore salmon and steelhead habitat: assessment, design, and construction report. Report to the Salmon Recovery Funding Board, Olympia, Washington.

 

Camp, R., and J. Wheaton. 2014. Streamlining field data collection with mobile Apps. Eos, Transactions American Geophysical Union 95(49):453–454.

 

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Senior Fluvial Geomorphologist

B.S. Environmental Engineering; M.S. Hydrologic Sciences; Ph.D. Hydrologic Sciences

Phone: (916) 250-2022

 

West Sacramento, California

Rocko is the Senior Fluvial Geomorphologist at CFS and is responsible for leading studies and analyses of hydrologic and geomorphic processes that shape fish habitat. Rocko has more than 17 years of experience analyzing hydrology, hydraulics, and sediment transport associated with projects that restored fish habitat, aided flood control, modified hydrology, removed dams, and stabilized stream banks, and he is skilled in a wide range of field methods and analytical tools employed in leading studies of fluvial geomorphology. These include surveying; remote sensing; 2D modeling of flow, sediment, and habitat; GIS analysis; hyporheic exchange; steam habitat design; and fish passage assessments.

Selected Publications

 

Harrison, L. R., E. Bray, B. Overstreet, C. J. Legleiter, R. A. Brown, J. E. Merz, R. M. Bond, C. L. Nicol, and T. Dunne. 2019. Physical controls on salmon redd site selection in restored reaches of a regulated, gravel-bed river. Water Resources Research 55. https://doi.org/10.1029/2018WR024428.

 

Brown R. A., and G. B. Pasternack. 2019. How to build a digital river. Earth Science Reviews. In review.

 

Harrison L. R., E. Bray, B. Overstreet, C. Legleiter, R. A. Brown, J. E. Merz, R. M. Bond, C. L. Nicol, and T. Dunne. 2019. Large-scale restoration of salmon spawning habitat in a regulated, gravel-bedded river. Water Resources Research. In review.

 

Pasternack, G.B., D. Baig, M. D. Weber, and R. A. Brown. 2018. Hierarchically nested river landform sequences. Part 1: Theory. Earth Surface Processes and Landforms 43(12):2510-2518.

 

Pasternack, G. B., D. Baig, M. D. Weber, and R. A. Brown. 2018. Hierarchically nested river landform sequences. Part 2: Bankfull channel morphodynamics governed by valley nesting structure. Earth Surface Processes and Landforms 43(12):2519-2532.

 

Brown, R. A., and G. B. Pasternack. 2017. Bed and width oscillations form coherent patterns in a partially confined, regulated gravel–cobble-bedded river adjusting to anthropogenic disturbances. Earth Surface Dynamics 5:1-20. DOI:10.5194/esurf-5-1-2017.

 

Brown, R. A., G. B. Pasternack, and T. Lin. 2016. The topographic design of river channels for form-process linkages. Environmental Management 57(4):929-942. DOI: 10.1007/s00267-015-0648-0.

 

Brown, R. A., G. B. Pasternack, and W. W. Wallender. 2014. Synthetic river valleys: creating prescribed topography for form-process inquiry and river rehabilitation design. Geomorphology 214:40-55.

 

Brown, R. A., and G. B. Pasternack. 2014. Hydrologic and topographic variability modulates channel change in mountain rivers. Journal of Hydrology 510:551-564.

 

Pasternack, G. B., and R. A. Brown. 2013. Ecohydraulic design of riffle-pool relief and morphological-unit geometry in support of regulated gravel-bed river rehabilitation. Pages 337-355 in I. Maddock, A. Harby, P. Kemp, and P. Wood, editors. Ecohydraulics: an integrated approach. John Wiley & Sons, Ltd. Hoboken, New Jersey.

 

Brown, R. A., and G. B. Pasternack. 2013. Monitoring and assessment of the 2011-2012 gravel/cobble augmentation in the Englebright Dam reach of the Lower Yuba River, CA. Report to the U.S. Army Corps of Engineers, Sacramento District, University of California at Davis, Davis, California.

 

Beakes, M., J. Moore, N. Retford, R. A. Brown, J. Merz, and S. Sogard. 2012. Evaluating statistical approaches to quantifying juvenile Chinook salmon habitat in a regulated California river. River Research and Applications 30(2):180-191.

 

Brown, R. A., and G. B. Pasternack. 2009. Comparison of methods for analyzing salmon habitat rehabilitation designs for regulated rivers. River Research and Applications 25:745-772.

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Science Operations Manager, Senior Scientist
B.S. Fisheries Biology; Ph.D. Wildlife and Fisheries Sciences
Phone: (916) 240-6237

 

Auburn, California

Steve has 18 years of experience conducting fisheries research in a diversity of aquatic systems from large floodplain rivers and estuaries in Texas and California to headwater streams in Costa Rica. His interests include river restoration strategies, predator-prey interactions, community dynamics, and population modeling.  He has conducted research on a wide range of species from gar and large river minnows to anadromous salmonids and sturgeon. Steve actively leads a team of biologists conducting numerous projects at CFS, ranging from field investigations and monitoring efforts to interdisciplinary modeling of complex adaptive management programs.

Selected Publications

 

Zeug, S. C., J. Wiesenfeld, K. Sellheim, A. Brodsky, J. E. Merz. 2019. Assessment of juvenile Chinook salmon rearing habitat potential prior to species reintroduction. North American Journal of Fisheries Management 39:762-777.

 

Zeug, S. C., K. Sellheim, J. Melgo, J. E. Merz.. In Press. Spatial variation of juvenile Chinook salmon (Oncorhynchus tshawytscha) survival in a modifies California river. Environmental Biology of Fishes.

 

Brodsky, A., S. C. Zeug, J. Nelson, J. Hannon, and P. Anders. 2019. Does broodstock source affect post-release survival of threatened steelhead? Implications of replacing a non-native hatchery stock for recovery.  Environmental Biology of Fishes, Special Edition. In Review.

 

Zeug, S. C., F. V. Feyrer, A. Brodsky, and J. Melgo. 2017. Piscivore diet response to a collapse in pelagic prey populations. Environmental Biology of Fishes 100(8):947-958.

 

Zeug, S. C., A. Brodsky, N. Kogut, A. R. Stewart, and J. E. Merz. 2014. Ancient fish and recent invaders: white sturgeon (Acipenser transmontanus) diet response to invasive species-mediated changes in a benthic prey assemblage. Marine Ecology Progress Series 514:163-174.

 

Zeug, S. C., and B. J. Cavallo. 2014. Controls on the entrainment of juvenile Chinook Salmon (Oncorhynchus tshawytscha) into large water diversions and estimates of population-level loss. PLoS One 9(7): e101479. DOI:10.1371/journal.pone.0101479.

 

Zeug, S. C., K. Sellheim, C. Watry, B. Rook, J. Hannon, J. Zimmerman, D. Cox, and J. Merz. 2014. Gravel augmentation increases spawning utilization by anadromous salmonids: a case study from California, USA. River Research and Applications 30(6):707-718.

 

Zeug, S. C., K. Sellheim, C. Watry, J. D. Wikert, and J. Merz. 2014. Response of juvenile Chinook Salmon to managed flow: lessons learned from a population at the southern extent of their range in North America. Fisheries Management and Ecology 21:155-168.

 

Zeug, S. C., and B. J. Cavallo. 2013. Influence of estuary conditions on the recovery rate of coded wire tagged Chinook salmon (Oncorhynchus tshawytscha) in an ocean fishery. Ecology of Freshwater Fish 22:157-168.

 

Zeug, S. C., P. S. Bergman, B. J. Cavallo, and K. S. Jones. 2012. Application of a life cycle simulation model to evaluate impacts of water management and conservation actions on an endangered population of Chinook Salmon. Environmental Modeling and Assessment 17:455-467.

 

Zeug, S.C., L.  K. Albertson, H. S. Lenihan, J. Hardy, and B. Cardinale. 2011. Predictors of Chinook population extirpations in the Central Valley of California. Fisheries Management and Ecology 18:61-71.

 

Albertson, L. K., B. J. Cardinale, S. C. Zeug, H. S. Lenihan, L. Harrison, and A. M. Wydzga. 2011. Impacts of gravel augmentation on invertebrate assemblages in a restored river. Restoration Ecology 19:627-638.

 

Zeug, S. C., D. Peretti, and K. O. Winemiller. 2009. Movement into floodplain habitats by gizzard shad (Dorosoma cepedianum) revealed by dietary and stable isotope analyses. Environmental Biology of Fishes 84:307-314.

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