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Journal Article

2007

Good, T. P., M. M. McClure, B. P. Sandford, K. Barnas, D. M. Marsh, B. A. 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.

2005

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

2004

Ledgerwood, R. D., B. A. 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

Ryan, B. A., 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. A., 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. A. 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. A., 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. A., 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. A., 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.

Section

2006

Good, T. P., D. Harstad, C. Hall, C. Maranto, M. Harper, B. A. 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. A. 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. A. 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

Ledgerwood, R. D., B. A. 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.

Contract Report

2008

2006

2005

Ledgerwood, R. D., L. B. Way, A. S. Cameron, B. A. 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.

2004

Ledgerwood, R. D., S. W. Naman, B. A. 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)

2003

Glabek, J. H., B. A. 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)

2002

Ryan, B. A., 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. A., 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. A., 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

Ryan, B. A., 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

1998

Ryan, B. A., 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

Shrank, B. P., E. M. Dawley, B. A. 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.

1995

Toner, M. A., B. A. 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.

Report

2003

Ledgerwood, R. D., B. A. 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.