Journal Article

2007

Good, T. P., M. M. McClure, B. P. Sandford, K. Barnas, D. M. Marsh, B. Ryan, E. Casillas. 2007. Quantifying the effect of Caspian tern predation on endangered and threatened Pacific salmonids in the Columbia River. Endangered Species Research, 3:11-21.

2006

Kemp, P. S., M. H. Gessel, B. P. Sandford, J. G. Williams. 2006. The behaviour of Pacific salmonid smolts during passage over two experimental weirs under light and dark conditions. River research and applications, 22:429-440.

2005

Antolos, M., D. Roby, D. E. Lyons, K. Collis, A. F. Evans, M. Hawbecker, B. Ryan. 2005. Caspian tern predation on juvenile salmonids in the Mid-Columbia River. Transactions of the American Fisheries Society, 134:466-480.

Ferguson, J. W., R. F. Absolon, T. Carlson, B. P. Sandford. 2005. Evidence of delayed mortality in juvenile Pacific salmon passing through turbines at Columbia River dams. Transactions of the American Fisheries Society, 135:139-150.

Kemp, P. S., M. H. Gessel, J. G. Williams. 2005. Fine-scale behavioral responses of Pacific salmonid smolts as they encounter divergence and acceleration of flow. Transactions of the American Fisheries Society, 134:390-398.

Kemp, P. S., M. H. Gessel, J. G. Williams. 2005. Seaward migrating subyearling chinook salmon avoid overhead cover. Journal of Fish Biology, 67:1381-1391.

2004

Ledgerwood, R. D., B. Ryan, E. M. Dawley, E. P. Nunnallee, J. W. Ferguson. 2004. A surface trawl to detect migrating juvenile Salmonids tagged with passive integrated transponder tags. North American Journal of Fisheries Management, 24:440-451.

2003

Absolon, R. F., D. A. Brege. 2003. Canister for releasing marked fish at depth in hydroelectric dam gatewells and forebays. North American Journal of Fisheries Management, 23:605-610.

Ryan, B., S. G. Smith, J. M. Butzerin, J. W. Ferguson. 2003. Relative vulnerability to avian predation of juvenile salmonids tagged with passive integrated transponders in the Columbia River estuary, 1998-2000. Transactions of the American Fisheries Society, 132:275-288.

Ryan, B., S. G. Smith, J. M. Butzerin, J. W. Ferguson. 2003. Vulnerability of PIT-tagged juvenile. Transactions of the American Fisheries Society, 132:275-288.

2001

Collis, K., D. Roby, B. Ryan, R. D. Ledgerwood. 2001. Colonial Waterbird Predation on Juvenile Salmonids Tagged with Passive Integrated Transponders in the Columbia River Estuary: Vulnerability of Different Salmonid Species, Stocks, and Rearing Types. Transactions of the American Fisheries Society, 130:385-396.

Ryan, B., J. W. Ferguson, R. D. Ledgerwood, E. P. Nunnallee. 2001. Detection of passive integrated transponder tags from juvenile salmonids on piscivorous bird colonies in the Columbia River Basin. North American Journal of Fisheries Management, 21:417-421.

2000

Ryan, B., E. M. Dawley, R. A. Nelson. 2000. Modeling the effects of dissolved gas supersaturation on resident aquatic biota in the mainstem Snake and Columbia Rivers. North American Journal of Fisheries Management, 20:192-204.

Ryan, B., E. M. Dawley, R. A. Nelson. 2000. Modeling the effects of supersaturated dissolved gas on resident aquatic biota in the main-stem Snake and Columbia Rivers. North American Journal of Fisheries Management, 20:192-204.

1999

Marsh, D. M., G. M. Matthews, S. Achord, T. E. Ruehle, B. P. Sandford. 1999. Diversion of salmonid smolts tagged with passive integrated transponders from an untagged population passing through a juvenile collection system. North American Journal of Fisheries Management, 19:1142-1146.

1997

Chapman, D., C. Carlson, D. Weitkamp, G. M. Matthews, J. Stevenson, M. Miller. 1997. Homing in sockeye and chinook salmon transported around part of their smolt migration route in the Columbia River. North American Journal of Fisheries Management, 17:101-113.

Elliott, D. G., R. J. Pascho, L. M. Jackson, G. M. Matthews, J. R. Harmon. 1997. Renibacterium salmoninarum in spring-summer chinook salmon smolts at dams on the Columbia and Snake Rivers. Journal of Aquatic Animal Health, 9:114-126.

Matthews, G. M., N. N. Paasch, S. Achord, K. W. McIntyre, J. R. Harmon. 1997. A technique to minimize the adverse ettects associated with handling and marking salmonid smolts. Progressive Fish-Culturist, 59:307-309.

1996

Achord, S., G. M. Matthews, O. W. Johnson, D. M. Marsh. 1996. Use of passive integrated transponder (PIT) tags to monitor migration timing of Snake River chinook salmon smolts. North American Journal of Fisheries Management, 16:302-313.

Brege, D. A., R. F. Absolon, R. J. Graves. 1996. Seasonal and diel passage of juvenile salmonids at John Day Dam on the Columbia River. North American Journal of Fisheries Management, 16(3):659-665.

1995

Williams, J. G., G. M. Matthews. 1995. A review of flow and survival relationships for spring and summer chinook salmon, Oncorhynchus tshawytscha, from the Snake River Basin. Fishery Bulletin, 93:732-740.

1994

Giorgi, A. E., D. R. Miller, B. P. Sandford. 1994. Migratory characteristics of ocean-type chinook salmon, Oncorhynchus tshawytscha, in John Day Reservoir on the Columbia River. Fishery Bulletin, 92:872-879.

1991

Gessel, M. H., J. G. Williams, D. A. Brege, R. Krcma, D. R. Chambers. 1991. Juvenile salmonid guidance at the Bonneville Dam Second Powerhouse, Columbia River, 1983-1989. North American Journal of Fisheries Management, 11:400-412.

1985

Gessel, M. H., W. Farr, C. Long. 1985. Underwater separation of juvenile salmonids by size. Marine Fisheries Review, 47(3):38-42.

Section

2006

Good, T. P., D. Harstad, C. Hall, C. Maranto, M. Harper, B. Ryan. 2006. Predation on juvenile salmonids by Caspian Terns nesting in Potholes Reservoir. In Appendix in Piscivorous Waterbird Research on the Columbia River: draft 2005 season summary.

2005

Good, T. P., K. Barnas, D. M. Marsh, M. M. McClure, B. Ryan, B. P. Sandford, E. Casillas. 2005. Caspian Tern Predation on Juvenile Salmonid Outmigrants in the Columbia River Estuary. In Caspian Tern Management to Reduce Predation of Juvenile Salmonids in the Columbia River Estuary. U.S. Fish and Wildlife Service Migratory Birds and Habitat Programs, Portland, OR..

2001

Ledgerwood, R. D., B. Ryan, R. N. Iwamoto. 2001. Estuarine and nearshore-ocean acoustic tracking of juvenile spring chinook salmon from the Columbia River. Pages 245-255 in Moore, A., I. Russell. (Eds.) Advances in fish telemetry: proceedings of the 3rd conference on fish telemetry in Europe, June 20-25, 1999, Norwich, UK. Centre for Environment, Fisheries, and Aquaculture Science, Lowestoft, UK.

2000

Achord, S., M. B. Eppard, E. E. Hockersmith, B. P. Sandford, G. A. Axel, G. M. Matthews. 2000. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts in the Columbia River Basin, USA. In International Congress of Fish Biology, Symposium Proceedings, July 23-27, 2000, Aberdeen, Scotland.

Ledgerwood, R. D., B. Ryan, R. N. Iwamoto. 2000. Estuarine and nearshore-ocean sonic tracking of juvenile spring chinook salmon from the Columbia River. In Proceedings of the 3rd conference on fish telemetry in Europe, June 20-25, 1999, Norwich, UK. Centre for Environment, Fisheries, and Aquaculture Science, Lowestoft, UK.

1994

Williams, J. G., M. H. Gessel. 1994. Fish diversion and screening devices: Is there a relationship to fish behavior? Pages 135-140 in Proceedings of the Symposium on Fish Passage Policy and Technology, 1-2 September 1993, Portland, OR. Am. Fish Soc., Bioeng. Sec, Bethesda, MD.

1988

Williams, J. G., M. H. Gessel, D. R. Chambers. 1988. Juvenile salmonid bypass system research at Bonneville Second Powerhouse, Columbia River. Pages [1-41]-[1-54] in Proceedings: Fish protection at steam and hydroelectric power plants. Electric Power Research Institute, Palo Alto, CA.

Contract Report

2005

Absolon, R. F., M. H. Gessel, B. P. Sandford, G. M. Matthews. 2005. Evaluation of fish condition with prototype vertical barrier screens at McNary Dam, 2004. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Walla Walla District, Contract W68SBV20655422, vi, 23 p.

Absolon, R. F., B. P. Sandford, M. B. Eppard, D. A. Brege, K. W. McIntyre, E. E. Hockersmith, G. M. Matthews. 2005. Relative survival estimates for PIT-tagged juvenile chinook salmon passing through turbines, collection channels, and spillways at Ice Harbor Dam, 2003. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Walla Walla District, Contract W68SBV92844866, v, 58 p.

Brege, D. A., L. G. Gilbreath, R. F. Absolon, B. P. Sandford, G. M. Matthews. 2005. Studies to evaluate the effectiveness of extended-length screens at John Day Dam, 2004. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Portland District, Contract W66QKZ90392273, vi, 40 p.

Gessel, M. H., R. L. McComas, G. M. Matthews. 2005. Studies to establish biological design criteria for fish passage facilities: separation by size of juvenile salmonids using a high-velocity flume at Ice Harbor Dam in 2004. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Walla Walla District, Contract W68SBV00358064, vi, 18 p.

Ledgerwood, R. D., L. B. Way, A. S. Cameron, B. Ryan, B. P. Sandford, G. M. Matthews. 2005. Detection of PIT-tagged juvenile salmonids in the Columbia River estuary using pair-trawls, 2002. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Walla Walla District, Project No. 56ABNF100030, viii, 78 p.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2005. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 2001: final report for the 2001 spring/summer chinook salmon juvenile migration. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Walla Walla District, Delivery Order E86960099, v, 20 p.

McComas, R. L., D. A. Frost, S. G. Smith, J. W. Ferguson, T. J. Carlson, T. Aboellail. 2005. A study to estimate salmonid survival through the Columbia River estuary using acoustic tags. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Portland District, Contract E86910060, vi, 78 p.

Ryan, B., A. S. Cameron, E. P. Nunnallee, J. W. Ferguson. 2005. Detection of Passive Integrated Transponder (PIT) tags on piscivorous bird colonies in the Columbia River Basin, 2002. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers. Walla Walla District, Contract 2RL4SPTP00, v, 25 p.

2004

Achord, S., R. A. McNatt, E. E. Hockersmith, B. P. Sandford, K. W. McIntyre, N. N. Paasch, J. G. Williams, G. M. Matthews. 2004. Monitoring the Migrations of Wild Snake River Spring/Summer Chinook Salmon Smolts, 2003. Report to the Bonneville Power Administration, Contract 00005619, 107 electronic pages.

Brege, D. A., R. F. Absolon, B. P. Sandford, J. W. Ferguson. 2004. Evaluation of extended-length submersible bar screens at John Day Dam, 2002. Report by Report of Research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Portland District, vi, 53 p.

Gessel, M. H., B. P. Sandford, J. W. Ferguson. 2004. Studies to establish biological design criteria for fish passage facilities: prototype testing of a cylindrical dewatering screen at McNary Dam 2001-2002. Report of Research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers Walla Walla District, vi, 19 p p. (PDF | Video files index page)

Gilbreath, L. G., E. F. Prentice, S. L. Downing. 2004. Post-construction evaluation of the juvenile bypass collection channel, transportation flume, and fish-monitoring facilities at Bonneville Dam second powerhouse, 1999-2000. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Portland District, Contract W66QKZ90281485.

Harmon, J. R., N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2004. Transportation of juvenile salmonids on the Columbia and Snake Rivers, 2003: Final report for 2000 spring/summer chinook slamon. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Walla Walla District.

Ledgerwood, R. D., S. W. Naman, B. Ryan, B. P. Sandford, C. Z. Banks, J. W. Ferguson. 2004. Detection of PIT-tagged juvenile salmonids in the Columbia River estuary using a pair-trawl, 2000 and 2001. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV80622741, viii, 103 p. (PDF | HTML)

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2004. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 2002. Report of research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers Walla Walla District, v, 42 p.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2004. Transportation of juvenile salmonids on the Columbia and Snake Rivers, 2003: Final report for 2000 and 2001 steelhead juveniles. Report by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Walla Walla District, Delivery Order E86960099, vi, 57 p.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2004. Transportation of juvenile salmonids on the Columbia and Snake Rivers, 2003: final adult returns for wild yearling chinook salmon migrating in 2000. Report of research by Fish Ecology Division, Northwest Fisheries Science Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract E86960099, vi, 48 p. (PDF | HTML)

Monk, B. H., B. P. Sandford, D. A. Brege, J. W. Ferguson. 2004. Evaluation of turbine intake modifications at Bonneville Dam second powerhouse, 2002. Report of Research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Portland, OR, vi, 48 p p.

2003

Absolon, R. F., M. B. Eppard, B. P. Sandford, G. A. Axel, E. E. Hockersmith, J. W. Ferguson. 2003. Effects of turbines operating at two different discharge levels on survival and condition of yearling chinook salmon at McNary Dam, 2002. Report of Research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Walla Walla District, v, 20 p.

Achord, S., E. E. Hockersmith, B. P. Sandford, R. A. McNatt, B. E. Feist, G. M. Matthews. 2003. Monitoring the Migrations of Wild Snake River Spring/Summer Chinook Salmon Smolts, 2002. Report to the Bonneville Power Administration, Contract 00005619, 95 electronic pages. (BPA Report DOE/BP-1991-028-00)

Glabek, J. H., B. Ryan, E. P. Nunnallee, J. W. Ferguson. 2003. Detection of Passive Integrated Transponder (PIT) Tags on Piscivorous Bird Colonies in the Columbia River Basin, 2001. Report to the U.S. Army Corps of Engineers, Walla Walla District, Delivery Order 2RL4SPTP00. (PDF | HTML)

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2003. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 2001. Report of Research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Walla Walla District, v, 38 p.

McComas, R. L., B. P. Sandford, C. D. Magie, J. W. Ferguson. 2003. Biological design criteria for fish passage facilities: high-velocity flume development and improved wet-separator efficiency McNary Dam, 1999. Report to the U.S. Army Corps of Engineers, Walla Walla District, Delivery Order E86910060, 24 p. plus appendices.

McComas, R. L., B. P. Sandford, C. D. Magie, J. W. Ferguson, D. M. Katz, M. Plummer. 2003. Evaluation of a prototype high-velocity flume separator at Ice Harbor Dam, 1999. Report of Research by Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to the U.S. Army Corps of Engineers, Walla Walla District, vi, 76 p.

2002

Achord, S., G. A. Axel, E. E. Hockersmith, B. P. Sandford, M. B. Eppard, G. M. Matthews. 2002. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 2001. Report by National Marine Fisheries Service to the U.S. Department of Energy, Bonneville Power Administration, Portland, Oregon.

Ryan, B., C. Z. Banks, E. P. Nunnallee, R. D. Ledgerwood, J. W. Ferguson. 2002. Detection of passive integrated transponder (PIT) tags on piscivorous bird colonies in the Columbia River Basin, 1998 and 1999. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV806ZZ741, iii, 15 p.

Ryan, B., J. H. Glabek, J. W. Ferguson, E. P. Nunnallee, R. D. Ledgerwood. 2002. Detection of passive integrated transponder (PIT) tags on piscivorous bird colonies in the Columbia River Basin, 2000. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV806ZZ741, v, 78 p.

Ryan, B., J. H. Glabek, J. W. Ferguson, E. P. Nunnallee, R. D. Ledgerwood. 2002. Detection of passive integrated transponder tags on piscivorous birds colonies in the Columbia River Basin, 2000. Report by National Marine Fisheries Service to the U.S. Army Corps of Engineers, Walla Walla, Washington.

2001

Achord, S., G. A. Axel, E. E. Hockersmith, B. P. Sandford, M. B. Eppard, G. M. Matthews. 2001. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1999. Report to the U.S. Department of Energy, Bonneville Power Administration, Division of Fish and Wildlife, Project 91028, Contract 99-AI-19164, 38 p. plus appendix.

Achord, S., G. A. Axel, E. E. Hockersmith, B. P. Sandford, M. B. Eppard, G. M. Matthews. 2001. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 2000. Report to the U.S. Department of Energy, Bonneville Power Administration, Division of Fish and Wildlife, Contract 99-AI-19164, Project No. 9102800, 45 p. plus appendices.

Brege, D. A., J. W. Ferguson, R. F. Absolon, B. P. Sandford. 2001. Evaluation of extended-length bypass screens at John Day Dam, 1999. Report to the U.S. Army Corps of Engineers, Portland District, Contract W66QKZ90392273, 21 p. plus appendices.

Brege, D. A., M. H. Gessel, R. F. Absolon, B. P. Sandford, J. W. Ferguson. 2001. Studies to evaluate the effectiveness of outlet flow-control and debris control devices at McNary and Little Goose Dams, 1998. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract E86970083, 16 p. plus appendices.

Gessel, M. H., J. W. Ferguson. 2001. Evaluation of a high-velocity induction/release system for testing turbine-related injuries to juvenile salmonids at hydroelectric projects. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV82443526, 7 p. plus appendix.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2001. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 2000. Annual report of research to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 27 p. plus appendix.

McComas, R. L., M. H. Gessel, B. P. Sandford, D. B. Dey. 2001. Biological design criteria for juvenile fish passage, 1998: high-velocity flume development and improved wet-separator efficiency. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract E86910060, 33 p. plus appendix.

Ryan, B., C. Z. Banks, E. P. Nunnallee, R. D. Ledgerwood, J. W. Ferguson. 2001. Detection of passive integrated transponder (PIT) tags on piscivorous bird colonies in the Columbia River Basin, 1998 and 1999. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV806ZZ741, 13 p.

2000

Absolon, R. F., D. A. Brege, J. W. Ferguson. 2000. Post-construction evaluation of the juvenile bypass system at John Day Dam, 1999. Report to the U.S. Army Corps of Engineers, Contract W66QKZ80354028, 14 p.

Absolon, R. F., B. P. Sandford, D. B. Dey. 2000. Post-construction evaluation of the new juvenile bypass system and guidance screen modifications at John Day Dam, 1998. Report to the U.S. Army Corps of Engineers, Contract W66QKZ80354028, 34 p. plus appendices.

Achord, S., M. B. Eppard, E. E. Hockersmith, B. P. Sandford, G. A. Axel, G. M. Matthews. 2000. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1998. Report to the U.S. Department of Energy, Bonneville Power Administration, Division of Fish and Wildlife, Contract DE-AI79-91BP18800, Project No. 9102800, 38 p. plus appendix.

Dawley, E. M., L. G. Gilbreath, R. F. Absolon, B. P. Sandford, J. W. Ferguson. 2000. Relative survival of juvenile salmon passing through the spillway and the ice trash sluiceway of The Dalles Dam, 1998. Report to the U.S. Army Corps of Engineers, Contract MIPR E96970020, W66QKZ82167243 and W66QKZ83437725, 47 p. plus appendices.

Dawley, E. M., C. J. Ebel, R. F. Absolon, B. P. Sandford, J. W. Ferguson. 2000. Relative survival of juvenile salmon passing through the spillway of The Dalles Dam, 1999. Report to the U.S. Army Corps of Engineers, Portland District, Contract W66QKZ83437725, 42 p. plus appendices.

Gessel, M. H., B. H. Monk, B. P. Sandford, J. W. Ferguson. 2000. Evaluation of a chamfered perforated plate for extended-length bar screens at Little Goose and McNary Dams, 1999. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV80210987, 10 p. plus appendix.

Gessel, M. H., B. P. Sandford, J. W. Ferguson. 2000. Evaluation of the effectiveness of an orifice shelter at McNary Dam, Columbia River, 1999. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract W68SBV80210987, 10 p. plus appendix.

Gilbreath, L. G., D. Smith, R. D. Ledgerwood, S. S. Pool, S. J. Grabowski. 2000. Limnological investigations in John Day reservoir including selected upper reservoir habitats, April 1994 to September 1995. Report to the U.S. Army Corps of Engineers, Contract W66QKZ833356795, 152 p.

Harmon, J. R., D. M. Marsh, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2000. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1999. Annual report of research to the U.S. Army Corps of Engineers, 28 p. plus appendix.

Ledgerwood, R. D., B. Ryan, E. P. Nunnallee, J. W. Ferguson. 2000. Estuarine recovery of PIT-tagged salmonids from the Lower Granite Dam transportation study, 1998. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract E8960100, 50 p. plus appendices.

Ledgerwood, R. D., S. S. Pool, L. G. Gilbreath, S. J. Grabowski, D. Smith. 2000. Limnology of selected shallow-water habitats in Lower Granite reservoir, 1994-95. Report to the U.S. Army Corps of Engineers, Contract E86940115, 46 p. plus appendices.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 2000. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1998. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract 68-84-H0034, 34 p. plus appendix.

McComas, R. L., M. H. Gessel, B. P. Sandford, D. B. Dey, D. M. Katz. 2000. Biological design criteria for improved wet-separator efficiency and high-velocity flume development, 1997. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract E86910060, 22 p. plus appendices.

1999

Absolon, R. F., E. M. Dawley, B. P. Sandford. 1999. Changes in gas bubble disease signs of migrating juvenile salmonids experimentally exposed to supersaturated gasses, 1997. Report to the Bonneville Power Administration, Contract 96-BI-93892, 16 p.

Brege, D. A., M. H. Gessel, R. F. Absolon, B. P. Sandford, J. W. Ferguson. 1999. Studies to evaluate the effectiveness of outlet flow-control and debris control devices at McNary and Little Goose Dams, 1998. Report to the U.S. Army Corps of Engineers, Contract E86970083, 20 p. plus appendices.

Monk, B. H., M. H. Gessel, J. W. Ferguson. 1999. An evaluation of the biological database for improving fish guidance efficiency at Bonneville Dam Second Powerhouse. Report to the U.S. Army Corps of Engineers, Contract W66QKZ90059456, 62 p.

1998

Achord, S., M. B. Eppard, E. E. Hockersmith, B. P. Sandford, G. M. Matthews. 1998. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1997. Report to the Bonneville Power Administration, Contract DE-AI79-91BP18800, 78 p.

Dawley, E. M., L. G. Gilbreath, R. D. Ledgerwood, P. J. Bentley, B. P. Sandford. 1998. Effects of bypass systems at Bonneville Dam Second Powerhouse on downstream migrant salmon and steelhead; direct capture assessment, 1990-1992. Final report of research by Fish Ecology Division, Northwest Fisheries Science Center to the U.S. Army Corps of Engineers, Contract DACW57-85-H-0001, 53 p. plus appendices.

Eppard, M. B., G. A. Axel, B. P. Sandford, G. M. Matthews. 1998. Ice Harbor Dam spill efficiency determined by radio telemetry, 1997. Report of research to the U.S. Army Corps of Engineers, Walla Walla District, Delivery Order E86970079, 23 p.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 1998. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1997. Annual report of research to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 17 p. plus appendix.

McComas, R. L., M. H. Gessel, B. P. Sandford, D. B. Dey. 1998. Studies to establish biological design criteria for wet separators, 1996. Report to the U.S. Army Corps of Engineers, Contract E86910060, 44 p.

Ryan, B., E. M. Dawley. 1998. Effects of dissolved gas supersaturation on fish residing in the Snake and Columbia rivers, 1997. Report to the Bonneville Power Administration, Contract 96-BI-93605, 50 p.

1997

Achord, S., M. B. Eppard, E. E. Hockersmith, B. P. Sandford, G. M. Matthews. 1997. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1996. Report to the Bonneville Power Administration, Contract DE-AI79-91BP18800, Project No. 91-28, 74 p.

Brege, D. A., R. F. Absolon, B. P. Sandford, D. B. Dey. 1997. Studies to evaluate the effectiveness of extended-length screens at John Day Dam, 1996. Report to the U.S. Army Corps of Engineers, Contract E96960028, 41 p.

Brege, D. A., R. F. Absolon, B. P. Sandford, D. B. Dey. 1997. Studies to evaluate the effectiveness of extended-length screens at The Dalles Dam, 1995. Report to the U.S. Army Corps of Engineers, Contract E96930030, 24 p. plus appendices.

Gessel, M. H., B. P. Sandford, D. B. Dey. 1997. Post-construction evaluation of the juvenile salmonid bypass system at Ice Harbor Dam, 1996. Report to the U.S. Army Corps of Engineers, Contract E86960098, 20 p.

Ledgerwood, R. D., E. M. Dawley, B. W. Peterson, R. N. Iwamoto. 1997. Estuarine recovery of PIT-tagged juvenile salmonids from the Lower Granite Dam transportation study, 1996. Report to the U.S. Army Corps of Engineers, Contract E8960100, 54 pgs. plus appendice p.

Marsh, D. M., J. R. Harmon, N. N. Paasch, K. L. Thomas, K. W. McIntyre, B. P. Sandford, G. M. Matthews. 1997. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1996. Annual report of research to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 26 p. plus appendix.

McComas, R. L., B. P. Sandford, D. B. Dey. 1997. Descaling and orifice passage efficiency studies at McNary Dam, 1995. Report to the U.S. Army Corps of Engineers, Contract E86910060, 35 p.

Pool, S. S., R. D. Ledgerwood. 1997. Benthic invertebrates in soft-substrate, shallow-water habitats in Lower Granite Reservoir, 1994-95. Report to the U.S. Army Corps of Engineers, Contract E86940115, 96 p.

Shrank, B. P., E. M. Dawley, B. Ryan. 1997. Evaluation of the effects of dissolved gas supersaturation on fish and invertebrates in Priest Rapids Reservoir, and downstream from Bonneville and Ice Harbor Dams, 1995. Report to the U.S. Army Corps of Engineers, Contract E96940029, 45 p.

1996

Achord, S., M. B. Eppard, B. P. Sandford, G. M. Matthews. 1996. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1995. Report to the Bonneville Power Administration, Contract DE-A179-91BP18800, Project No. 91-028, 179 p.

Gessel, M. H., B. P. Sandford, D. B. Dey. 1996. Studies to evaluate the effectiveness of extended-length screens at Little Goose Dam, 1995. Annual Report to the U.S. Army Corps of Engineers, Delivery Order E86920164, 17 p.

Harmon, J. R., N. N. Paasch, K. W. McIntyre, K. L. Thomas, B. P. Sandford, G. M. Matthews. 1996. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1994. Annual report of research to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 18 p. plus appendix.

Marsh, D. M., L. K. Timme, B. P. Sandford, S. Achord, G. M. Matthews. 1996. Preliminary evaluation of the new juvenile collection, bypass, and sampling facilities at Lower Monumental Dam, 1994. Report of Research to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 54 p.

Marsh, D. M., B. H. Monk, B. P. Sandford, G. M. Matthews. 1996. Preliminary evaluation of the new juvenile collection, bypass, and sampling facilities at McNary Dam, 1994. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract DACW68-84-H-0034, 39 p. plus appendix.

Marsh, D. M., J. R. Harmon, K. W. McIntyre, K. L. Thomas, N. N. Paasch, B. P. Sandford, D. J. Kamikawa, G. M. Matthews. 1996. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1995. Report to the U.S. Army Corps of Engineers, Walla Walla District, Contract DACW68-84-H-0034, 43 p. plus appendix.

Muir, W. D., S. G. Smith, E. E. Hockersmith, S. Achord, R. F. Absolon, P. A. Ocker, M. B. Eppard, T. E. Ruehle, J. G. Williams, R. N. Iwamoto, J. R. Skalski. 1996. Survival estimates for the passage of the yearling chinook salmon and steelhead through Snake River dams and reservoirs, 1995. Report to the Bonneville Power Administration, Contract E86940119, 88 p. plus appendices.

Williams, J. G., M. H. Gessel, B. P. Sandford, J. J. Vella. 1996. Evaluation of factors affecting juvenile chinook salmon fish guidance efficiency. Report to the U.S. Army Corps of Engineers, Project No. E86910059, 35 p.

1995

Absolon, R. F., D. A. Brege, B. P. Sandford, D. B. Dey. 1995. Studies to evaluate the effectiveness of extended-length screens at The Dalles Dam, 1994. Report to the U.S. Army Corps of Engineers, Contract E96930030, 69 p.

Achord, S., D. J. Kamikawa, B. P. Sandford, G. M. Matthews. 1995. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1993. Report to the Bonneville Power Administration, Contract 91BP18800, Project No. 91-28, 88 p.

Achord, S., D. J. Kamikawa, B. P. Sandford, G. M. Matthews. 1995. Monitoring the migrations of wild Snake River spring/summer chinook salmon smolts, 1994. Report to the Bonneville Power Administration, Contract DE-A179-91BP18800, Project No. 91-028, 100 p.

Achord, S., D. J. Kamikawa, B. P. Sandford, G. M. Matthews. 1995. Monitoring the smolt migrations of wild Snake River spring/summer chinook salmon smolts, 1993. Report to the Bonneville Power Administration, Contract 91BP18800, Project No. 91-28, 88 p.

Gessel, M. H., B. P. Sandford, D. B. Dey. 1995. Studies to evaluate the effectiveness of extended-length screens at Little Goose Dam, 1994. Report to the U.S. Army Corps of Engineers, Contract E86920164, 33 p.

Harmon, J. R., D. J. Kamikawa, B. P. Sandford, K. W. McIntyre, K. L. Thomas, N. N. Paasch, G. M. Matthews. 1995. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1993. Report to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 37 p. plus appendices.

Marsh, D. M., B. P. Sandford, G. M. Matthews. 1995. Preliminary evaluation of the new collection, bypass, and sampling facilities at Lower Monumental Dam, 1993. Annual report of research to the U.S. Army Corps of Engineers, Contract DACW68-84-H-0034, 48 p. plus appendix.

McComas, R. L., B. P. Sandford, D. B. Dey. 1995. Vertical barrier screen studies at McNary Dam, 1994. Report to the U.S. Army Corps of Engineers, Contract E86910060, 103 p.

Toner, M. A., B. Ryan, E. M. Dawley. 1995. Evaluation of the effects of dissolved gas supersaturation on fish and invertebrates downstream from Bonneville, Ice Harbor, and Priest Rapids Dams, 1994. Report to the U.S. Army Corps of Engineers, Contract E96940029, 38 p.

1994

Achord, S., G. M. Matthews, D. M. Marsh, B. P. Sandford, D. J. Kamikawa. 1994. Monitoring the migrations of wild Snake River spring and summer chinook salmon smolts, 1992. Report to the Bonneville Power Administration, Contract DE-AI79-91BP18800, 73 p.

Brege, D. A., R. F. Absolon, B. P. Sandford, D. B. Dey. 1994. Studies to evaluate the effectiveness of extended-length screens at The Dalles Dam, 1993. Report to the U.S. Army Corps of Engineers, Contract E96930030, 72 p.

Gessel, M. H., B. P. Sandford, D. B. Dey. 1994. Studies to evaluate the effectiveness of extended-length screens at Little Goose Dam, 1993. Report to the U.S. Army Corps of Engineers, Delivery Order E86920164, 42 p.

McComas, R. L., B. P. Sandford, D. B. Dey. 1994. Studies to evaluate the effectiveness of extended-length screens at McNary Dam, 1993. Report to the U.S. Army Corps of Engineers, 109 p.

1993

Gessel, M. H., W. D. Muir, B. P. Sandford, D. B. Dey. 1993. Evaluation of the new juvenile salmonid bypass system at Lower Monumental Dam, 1992. Report to the U.S. Army Corps of Engineers, Contract E86920053, 23 p.

Gilbreath, L. G., E. M. Dawley, R. D. Ledgerwood, P. J. Bentley, S. J. Grabowski. 1993. Relative survival of subyearling chinook salmon that have passed Bonneville Dam via the spillway or second powerhouse turbines or bypass system: adult recoveries through 1991. Report to the U.S. Army Corps of Engineers, Contract E96910013, 26 p.

Harmon, J. R., B. P. Sandford, K. L. Thomas, N. N. Paasch, K. W. McIntyre, G. M. Matthews. 1993. Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1992. Annual Report to the U.S. Army Corps of Engineers, Contract DACW68-84-H0034, 25 p. plus appendices (162 p.).

McComas, R. L., D. A. Brege, W. D. Muir, B. P. Sandford, D. B. Dey. 1993. Studies to determine the effectiveness of extended-length submersible bar screens at McNary Dam, 1992. Report to the U.S. Army Corp of Engineers, Delivery Order E86910060, 85 p.

1990

Gessel, M. H., D. A. Brege, B. H. Monk, J. G. Williams. 1990. Continued studies to evaluate the juvenile bypass systems at Bonneville Dam - 1989. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Science Center to the U.S. Army Corps of Engineers, Portland District, Seattle, WA, Contract DACW77-88-F-9999, 34 p.

1989

Gessel, M. H., B. H. Monk, D. A. Brege, J. G. Williams. 1989. Fish guidance efficiency studies at Bonneville First and Second Powerhouses, 1988. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Science Center to the U.S. Army Corps of Engineers, Seattle, WA, Delivery Order DACW57-87-F-0322, 36 p.

1988

Gessel, M. H., B. H. Monk, J. G. Williams. 1988. Evaluation of the juvenile fish collection and bypass systems at Bonneville Dam - 1987. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Science Center to the U.S. Army Corps of Engineers, Contract DACW57-87-F-0322, 131 p.

1987

Gessel, M. H., L. G. Gilbreath, W. D. Muir, B. H. Monk, R. Krcma. 1987. Evaluation of the juvenile salmonid collection and bypass systems at Bonneville Dam - 1986. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-86-F-0270, 53 p.

Monk, B. H., W. D. Muir, M. H. Gessel. 1987. Studies to evaluate alternative methods of bypassing juvenile fish at the Dalles Dam, 1986. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-85-H-0295, 16 p.

1986

Gessel, M. H., L. G. Gilbreath, W. D. Muir, R. Krcma. 1986. Evaluation of the juvenile collection and bypass systems at Bonneville Dam - 1985. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-85-H-0001, 63 p.

1985

Gessel, M. H., R. Krcma, W. D. Muir, C. S. McCutcheon, L. G. Gilbreath, B. H. Monk. 1985. Evaluation of the juvenile collection and bypass system at Bonneville Dam, 1984. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-84-F-0181, 48 p.

1984

Krcma, R., M. H. Gessel, W. D. Muir, C. S. McCutcheon, L. G. Gilbreath, B. H. Monk. 1984. Evaluation of the juvenile collection and bypass system at Bonneville Dam - 1983. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-83-F-0315, 56 p.

1983

Krcma, R., M. H. Gessel, F. J. Ossiander. 1983. Research at McNary Dam to develop and implement a fingerling protection system for John Day Dam. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-82-F-0373, 24, 3, 5 p.

1982

Krcma, R., D. DeHart, M. H. Gessel, C. Long, C. W. Sims. 1982. Evaluation of submersible traveling screens, passage of juvenile salmonids through the ice and trash sluiceway, and cycling of gatewell orifice operation at the Bonneville Dam First Powerhouse, 1981. Report by Coastal Zone and Estuarine Studies Division, Northwest and Alaska Fisheries Center to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-81-F-0343, 36, [25] p.

1979

Krcma, R., C. Long, C. Thompson, W. Farr, T. W. Newcomb, M. H. Gessel. 1979. The development of an improved fingerling protection system for low head dams, 1978. Report by Northwest and Alaska Fisheries Center, Coastal Zone and Estuarine Studies Division to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-79-F-0163, 40 p.

1978

Ruehle, T. E., C. Long, M. H. Gessel. 1978. Laboratory studies of a nontraveling bar screen for guiding juvenile salmonids out of turbine intakes. Report by Northwest and Alaska Fisheries Science Center, Division of Coastal Zone and Estuarine Studies to the U.S. Army Corps of Engineers, Seattle, WA, Contract DACW57-77-F-0071, 14 p.

Technical Memorandum

2005

Ferguson, J. W., G. M. Matthews, R. L. McComas, R. F. Absolon, D. A. Brege, M. H. Gessel, L. G. Gilbreath. 2005. Passage of adult and juvenile salmonids through Federal Columbia River Power System dams. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-64, 160 p.

1995

Waknitz, F. W., G. M. Matthews, T. C. Wainwright, G. A. Winans. 1995. Status review for mid- Columbia River summer chinook salmon. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-22, 80 p.

1994

Gessel, M. H., B. P. Sandford, B. H. Monk, D. A. Brege. 1994. Population Estimates of Northern Squawfish, Ptychocheilus oregonensis, at Bonneville Dam First Powerhouse, Columbia River. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-18, 21 p.

1993

Ledgerwood, R. D., E. M. Dawley, P. J. Bentley, L. G. Gilbreath, T. P. Poe, H. L. HANSEN. 1993. Effectiveness of predator removal for protecting juvenile fall chinook salmon released from Bonneville Hatchery, 1991. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-9, 63 p.

1991

Matthews, G. M., R. S. Waples. 1991. Status Review for Snake River Spring and Summer Chinook Salmon. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-F/NWC-200.

Report

2003

Ledgerwood, R. D., B. Ryan, C. Z. Banks, E. P. Nunallee, B. P. Sandford, S. G. Smith, J. W. Ferguson. 2003. Detection of PIT-tagged juvenile salmonids in the Columbia River estuary using a surface-trawl detection system, 1999. Report of Research, Fish Ecology Division, Northwest Fisheries Science Center, v, 66 p.

2002

Absolon, R. F., E. M. Dawley, B. P. Sandford, J. W. Ferguson, D. A. Brege. 2002. Relative survival of juvenile salmon passing through the spillway of The Dalles Dam, 1997-2000. Report of Research, Fish Ecology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, ix, 150 p.

Monk, B. H., R. F. Absolon, B. P. Sandford, J. W. Ferguson. 2002. Evaluation of intake modifications at Bonneville Dam second powerhouse, 2001. Report of Research, Fish Ecology Division, Northwest Fisheries Science Center, v, 40 p.

1999

Matthews, G. M. 1999. Truck transportation of juvenile salmonids at U.S. Army Corps of Engineers Dams. National Marine Fisheries Service, Northwest Fisheries Science Center, Seattle, Washington, 29 p.

1994

Ledgerwood, R. D., E. M. Dawley, L. G. Gilbreath, L. T. Parker, B. P. Sandford, S. J. Grabowski. 1994. Relative survival of subyearling chinook salmon after passage through the bypass system at the first powerhouse or a turbine at the first or second powerhouse and through the tailrace basins at Bonneville Dam, 1992. Coastal Zone and Estuarine Studies Division, Northwest Fisheries Science Center, Seattle, WA, ii, 83 p.

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