Publications
The geomorphic dynamics of an upper deltaic floodplain tract in the Sacramento-San Joaquin Delta, California, USA.
Earth Surface Processes and Landforms. 29,
(2004). Goose Lake redband trout: high desert survivors.
Streamkeepers Log . 103,
(2003). Habitat partitioning by native and non-native fishes and decapods in novel habitats of the upper San Francisco Estuary.
Biological Invasions.
(2017).
(2005). Habitat Variability and Complexity in the Upper San Francisco Estuary.
San Francisco Estuary and Watershed Science. 8(3),
(2010). Hatchery practices may result in replacement of wild salmonids: adult trends in the Klamath basin, California.
Environmental Biology of Fishes. 97(3), 233-246.
Quiñones et al 2013.pdf (486.04 KB)
(2014). 
Hatchery practices may result in replacement of wild salmonids: adult trends in the Klamath basin, California.
Environmental biology of fishes. 97, 233–246.
(2014). Henneguya sp. in yellowfin goby Acanthogobius flavimanus from the San Francisco Estuary.
SpringerPlus. 2, 420.
(2013). Historical Abundance and Decline of Chinook Salmon in the Central Valley Region of California.
North American Journal of Fisheries Management. 18(3), 487-521.
(1998). Homogenous rivers, homogenous faunas.
Proceedings of the National Academy of Sciences. 104(14), 5711-5712.
(2007). Household water use and conservation models using Monte Carlo techniques.
Hydrol. Earth Syst. Sci. . 10(4),
(2013). How Scientists Reveal The Secret Migrations of Fish.
Frontiers for Young Minds. 6(67),
Morais et al 2018 secret migrations of fish frym-06-00067_small.pdf (536.93 KB)
(2018). 
Hybridization between hitch, Lavinia exilicauda, and Sacramento blackfish, Orthodon microlepidotus, in San Luis Reservoir, California.
California Fish and Game. 67, 196-198.
(1981). Hybridization between two parapatric ranid frog species in the northern Sierra Nevada, California, USA.
Molecular ecology. 28, 4636–4647.
(2019). Hydro-economic analysis of groundwater pumping for irrigated agriculture in California’s Central Valley, USA.
Hydrogeology Journal. 23(6), 1205-1216.
(2015). Hydro-economic analysis of water supply for the binational transboundary region of Baja California, Mexico.
Water Science and Technology: Water Supply. 8(2), 189–196.
(2008). Hydro-economic models: Concepts, design, applications, and future prospects.
Journal of Hydrology. 375(3-4),
(2009). Hydrolapse Videography: A Coupled Hydroinformatic Stack for Improved Visual Assessment of River Dynamics.
Proceedings of the International Conference on Hydroinformatics.
Viers and Santos 2014.pdf (623.06 KB)
(2014). 
Hydrologic Response and Watershed Sensitivity to Climate Warming in California’s Sierra Nevada.
PLoS ONE. 5(4),
(2010). Hydropower Costs Of Environmental Flows And Climate Warming In California’s Upper Yuba River Watershed.
River Research and Applicatiions. 29(10), 1291-1305.
(2013). Hydropower Relicensing and Climate Change.
Journal of the American Water Resources Association. 1-7.
(2011). Identifying the contribution of wild and hatchery Chinook salmon (Oncorhynchus tshawytscha) to the ocean fishery using otolith microstructure as natural tags.
Canadian Journal of Fisheries and Aquatic Sciences. 64,
(2007). The Impact of Squawfish on Salmonid Populations: A Review.
North American Journal of Fisheries Management. 1(2), 104-111.
(1981). Impact: Toward a Framework for Understanding the Ecological Effects of Invaders.
Biological Invasions. 1(1), 3-19.
(1999). Impending extinction of salmon, steelhead, and trout (Salmonidae) in California.
Environmental Biology of Fishes. 96, 1169-1186.
Katz_et_al._2013 salmonids in CA.pdf (517.46 KB)
(2013). 
Impending extinction of salmon, steelhead, and trout (Salmonidae) in California.
Environmental Biology of Fishes.
(2012). The Imperiled Giants of the Mekong: Ecologists struggle to understand—and protect—Southeat Asia's large migratory catfish.
American Scientist. 92(3), 228-237.
(2004). Implications of morphological variation among populations of California roach Lavinia symmetricus (Cyprinidae) for conservation policy.
Biological Conservation. 62(1), 1 - 10.
(1992). The importance of an historical perspective: Fish introductions..
Fisheries. 22(10), 14.
(1997). Improved fisheries management through life stage monitoring: the case for the Southern Distinct Population Segment of North American Green Sturgeon and the Sacramento-San Joaquin River White Sturgeon.
NOAA Technical Memorandum . NMFS-SWFSC-588,
NOAA-TM-NMFS-SWFSC-588.pdf (1.53 MB)
(2017). 
Improving Infrastructure for Wildlife.
Natural Resources & Environment. 34, 38–42.
(2020). In bad waters: Water year classification in nonstationary climates.
Water Resources Research. 49(February 2013), 1137-1148.
wateryear.pdf (8.73 MB)
(2013). 
In defense of sculpins.
Fisheries . 2(1), 20-23.
(1977). The influence of relative sediment supply on riverine habitat heterogeneity.
Geomorphology. 80, 310-324.
(2006). Influence of Temperature on Microhabitat Choice by Fishes in a California Stream.
Transactions of the American Fisheries Society. 116(1), 12-20.
(1987). Instream flows: new tools to quantify water quality conditions for returning adult Chinook salmon.
Journal of Water Resources Planning and Management.
Instream flows: new tools to quantify water quality conditions for returning adult Chinook salmon (15.54 MB)
(2015). 
Integrating Complex Economic and Hydrologic Planning Models: An Application for Drought Under Climate Change Analysis.
Water Resources and Economics.
(2016). Interactions between stochastic and deterministic processes in stream fish community assembly.
Environmental Biology of Fishes. 36(1), 1-15.
(1993). Introduced Species and Vacant Niches.
The American Naturalist. 128(5), 751-760.
(1986). Introduction to fish imagery in art.
Environmental Biology of Fishes. 31(1), 5-23.
(1991). Invading species in the Eel River, California: successes, failures, and relationships with resident species.
Environmental Biology of Fishes. 49(3), 271-291.
(1997). Invasion Resistance to Introduced Species by a Native Assemblage of California Stream Fishes.
Ecological Applications. 3(2), 246-255.
(1993). Invasive species profiling? Exploring the characteristics of non-native fishes across invasion stages in California.
Freshwater Biology. 49(5), 646–661.
(2004). Isotopes and genes reveal freshwater origins of Chinook salmon (Oncorhynchus tshawytscha) aggregations in California’s coastal ocean.
Marine Ecology Progress Series. 548,
(2016).
(2019). Levee Decisions and Sustainability for the Sacramento-San Joaquin Delta.
San Francisco Estuary and Watershed Science. 8(2),
(2010). Life history and current monitoring inventory of San Francisco Estuary sturgeon.
NOAA Technical Memorandum . NMFS-SWFSC-589,
NOAA-TM-NMFS-SWFSC-589.pdf (420.07 KB)
(2017). 
Life history and population dynamics of Moerisia sp., a non-native hydrozoan, in the upper San Francisco Estuary (U.S.A.).
Estuarine, Coastal and Shelf Science. 94(1), 48 - 55.
(2011). Life History and Status of Delta Smelt in the Sacramento-San Joaquin Estuary, California.
Transactions of the American Fisheries Society. 121(1), 67-77.
(1992). Life history characteristics of tule perch (Hysterocarpus traski) populations in contrasting environments.
Environmental Biology of Fishes. 7(3), 229-242.
(1982).