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Tonight’s Specials Include Mysids, Amphipods, and More: An Examination of the Zooplankton Prey of Oregon Gray Whales and its Impact on Foraging Choices and Prey Selection

Creator:: Hildebrand, Lisa
Abstract:: Understanding prey quality and prey selection by predators is critical for management efforts aimed at identification and protection of essential habitats and prey. Marine predators must make daily foraging choices in a heterogenous and dynamic environment in order to meet the high energetic demands of migration, reproduction and foraging. With...
Resource Type:: Masters Thesis

Dissolved oxygen requirements of freshwater fishes

Creator:: Doudoroff, Peter and Shumway, Dean L.
Abstract:: This critical review of literature on dissolved oxygen requirements of freshwater fishes is one of a series of papers on water quality criteria, the formulation of which is a prerequisite to the control of water pollution. It was prepared for FAO by the State of Oregon (acting by and through...
Resource Type:: Technical Report
Full Text:: . sont les suivantes: r FAO Fisheries Report FAO Fisheries Circular FAO Fisheries Synopsis Special

Effects of dieldrin on the growth and development of steelhead trout

Creator:: Oregon State University. Agricultural Experiment Station, Shumway, Dean L., and Chadwick, George Grete
Abstract:: Experiments were conducted to determine survival, growth, and accumulation of HEOD (major component of dieldrin) in the tissues of steelhead trout (Salmo gairdneri) embryos, alevins, and fry exposed to dieldrin concentrations ranging from 0.012 to 52 ppb. The fish were held in specially designed exposure chambers provided with continuously renewed...
Resource Type:: Technical Report
Full Text:: . Fish. Soc. 96, 301. Hansen, D. J. ( 1966), /11 Annual Report of the Bureau of Commercial Fisheries

Gravel disturbance impacts on salmon habitat and stream health : volume II : technical background report

Creator:: Williamson, Kenneth J., Bella, David A., Beschta, Robert L., Grant, Gordon, Klingeman, Peter C., Li, Hiram W., Nelson, Peter O., Castillo, Gonzalo, Lorz, Tom, Meleason, Mark, Minear, Paula, Moret, Stephanie, Nam, Ilgi, Reiter, Maryanne, and Wieland, Lisa
Abstract:: A report for the Oregon Division of State Lands.
Resource Type:: Technical Report
Full Text:: : a report for the Oregon Division of State Gravel Disturbance Impacts on Salmon Habitat and

Gravel disturbance impacts on salmon habitat and stream health : volume 1 : summary report

Creator:: Williamson, Kenneth J., Bella, David A., Beschta, Robert L., Grant, Gordon, Klingeman, Peter C., Li, Hiram W., and Nelson, Peter O.
Abstract:: In this report, a response is given to the charge of this study. Volume I: Summary Report includes a synopsis of the technical considerations followed by the main findings and recommendations. The full technical background for these summary statements is given in detail in Volume II: Technical Background Report, and...
Resource Type:: Technical Report
Full Text:: report and requires special consideration separate from other activities discussed in this report

Headwater stream macroinvertebrates of the H.J. Andrews Experimental Forest, Oregon

Creator:: Frady, Charles H.
Abstract:: Recent studies of headwater streams have demonstrated their importance to overall watershed biodiversity, nutrient cycling, and energy flux. However, little attention has been paid to long-term effects of forest harvest on macroinvertebrate communities in headwater streams. This study investigated headwater stream macroinvertebrate communities in the H.J. Andrews Experimental Forest, Oregon,...
Resource Type:: Masters Thesis

Issues surrounding the Biota of the Tualatin River Basin

Creator:: Li, Judith L., Gregory, Stanley V., and Oregon State University. Water Resources Research Institute
Abstract:: Tributaries of the Tualatin River cascade down high gradient slopes for relatively short distances, then flow into the low gradient mainstem which meanders for much of its length. The gentle, east-facing slopes of Oregon's Coast Range provide the geomorphic and climatic template for the watershed's patterns of discharge, water quality,...
Resource Type:: Technical Report
Full Text:: Water Resources Research Institute Oregon State University October 1993 TUALATIN RIVER BASIN SPECIAL

Tide gates in the Pacific Northwest : operation, types, and environmental effects

Creator:: Giannico, Guillermo and Souder, Jon A.
Abstract:: This report is an attempt to address some critical information gaps regarding the effects of dikes and tide gates on coastal ecosystems and fisheries resources. The authors have identified the information needs during their work with landowners, community organizations, and resource management agencies and through a compilation and summary of...
Resource Type:: Technical Report
Full Text:: report without him. We also want to acknowledge the following people for providing information

The Effects of Tide Gates on Estuarine Habitats and Migratory Fish

Creator:: Giannico, Guillermo R. and Souder, Jon A.
Resource Type:: Technical Report
Full Text:: Draft Report to the Coos Watershed Association. Schultz, S. T. 1990. The Northwest coast: a natural

The Western Pacific barred knifejaw, Oplegnathus fasciatus (Temminck & Schlegel, 1844) (Pisces: Oplegnathidae), arriving with tsunami debris on the Pacific coast of North America

Creator:: Chapman, John W., Ta, Nicholas, Miller, Jessica A., Carlton, James T., Miller-Morgan, Timothy, Calvanese, Thomas, Pleus, Allen E., and Burke, James
Abstract:: The Western Pacific Ocean barred knifejaw Oplegnathus fasciatus was found from 2013 to 2015 along the Pacific Coast of North America from Washington to California. The knifejaw was found in derelict vessels that had arrived on the Pacific Coast and that had been lost during the March 2011 Great Japan...
Resource Type:: Article
Full Text:: Special Issue: Transoceanic Dispersal of Marine Life from Japan to North America and the Hawaiian Islands

ScholarsArchive@OSU

Tonight’s Specials Include Mysids, Amphipods, and More: An Examination of the Zooplankton Prey of Oregon Gray Whales and its Impact on Foraging Choices and Prey Selection

Dissolved oxygen requirements of freshwater fishes

Effects of dieldrin on the growth and development of steelhead trout

Gravel disturbance impacts on salmon habitat and stream health : volume II : technical background report

Gravel disturbance impacts on salmon habitat and stream health : volume 1 : summary report

Headwater stream macroinvertebrates of the H.J. Andrews Experimental Forest, Oregon

Issues surrounding the Biota of the Tualatin River Basin

Tide gates in the Pacific Northwest : operation, types, and environmental effects

The Effects of Tide Gates on Estuarine Habitats and Migratory Fish

The Western Pacific barred knifejaw, Oplegnathus fasciatus (Temminck & Schlegel, 1844) (Pisces: Oplegnathidae), arriving with tsunami debris on the Pacific coast of North America

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