Index Catalog // ScholarsArchive@OSU

Managing adult hatchery summer steelhead for a recreational fishery with reduced hatchery and wild interactions

Creator:: Schemmel, Eva M.
Abstract:: Hatcheries whose purpose is to provide for a recreational fishery must minimize impacts on wild fishes. Management to reduce hatchery and wild interactions is especially important on river systems that contain Endangered Species Act (ESA) listed species. I examined adult hatchery summer steelhead, Oncorhynchus mykiss, behavior, current management and a...
Resource Type:: Masters Thesis
Full Text:: my study. Also, a special thanks to the staff and the Advisory Committee of the Oregon Hatchery

Habitat selection of hatchery and wild juvenile salmonids in Eagle Creek Basin, Oregon

Creator:: Brignon, William R.
Abstract:: To best manage Eagle Creek National Fish Hatchery and minimize any negative impacts that the current hatchery program may be having on Endangered Species Act-listed salmonids in the Eagle Creek Basin, I determined if wild fish are being displaced from preferred habitats by hatchery salmonids Oncorhynchus spp. This thesis had...
Resource Type:: Masters Thesis
Full Text:: Selection of Hatchery and Wild Juvenile Salmonids in Eagle Creek Basin, Oregon Abstract approved

Conservation hatcheries and supplementation strategies for recovery of wild stocks of salmonids: report of a workshop : Independent Multidisciplinary Science Team, Portland, OR, June 19-21, 2000

Creator:: Independent Multidisciplinary Science Team (Or.)
Abstract:: The Independent Multidisciplinary Science Team (IMST) convened regional leaders in hatchery management and salmon recovery on June 19-21, 2000 for a scientific workshop on Conservation Hatcheries and Supplementation Strategies for the Recovery of Wild Stocks of Salmonids. The purpose was to provide better information (a) to help the IMST with...
Resource Type:: Technical Report
Full Text:: projects, a brief description of the Oregon Conservation Hatchery Improvement Proposal (CHIP), and the

Evaluation of Responses to IMST Recommendations : Administrative report 2001-1

Creator:: Independent Multidisciplinary Science Team (Or.)
Abstract:: Oregon Revised Statute 541.409, which created the Independent Multidisciplinary Science Team (IMST), specifies that agencies are to respond to the recommendations of the IMST, stating “(3) If the Independent Multidisciplinary Science Team submits suggestions to an agency responsible for implementing a portion of the Oregon Plan [for Salmon and Watersheds],...
Resource Type:: Technical Report

Diel activity patterns in demersal fishes on Heceta Bank, Oregon

Creator:: Hart, Ted
Abstract:: Most fishes exhibit differences in activity patterns from day to night, with a switch from high to low activity at dusk and reverse at dawn. Marine reef fishes show similar behavior among sites, despite dissimilar species assemblages, suggesting that common selection pressures are leading to convergent behavior. Few studies to...
Resource Type:: Masters Thesis
Full Text:: in Demersal Fishes on Heceta Bank, Oregon Abstract approved: Signature redacted for privacy

Heterogeneous thermal habitat for northeast Oregon stream fishes

Creator:: Ebersole, Joseph L.
Abstract:: Discrete coldwater patches within warm streams provide potential thermal refuge for coldwater fishes during periods of heat stress. This analysis focused on heterogeneity in stream water temperatures as influenced by local influx of cooler subsurface waters. Using field thermal probes and recording thermistors, we identified and characterized coldwater patches potentially...
Resource Type:: Dissertation
Full Text:: Thermal Habitat for Northeast Oregon Stream Fishes. Abstract approved: William J. Liss Discrete

Evaluation of Research Priorities for the Oregon Plan, 2001-2003

Creator:: Independent Multidisciplinary Science Team (Or.)
Abstract:: The Oregon Plan for Salmon and Watersheds, Technical Reports from the Independent Multidisciplinary Science Team (IMST) and numerous other documents identify an extensive array of research needed to recover depressed stocks of wild salmonids in Oregon. The limitation of such listings is that they do not prioritize the research needs,...
Resource Type:: Technical Report
Full Text:: wild stocks. The Oregon Plan lists two general impacts that hatchery management can have on wild

Fish movement and assemblage dynamics in a Pacific Northwest riverscape

Creator:: Baxter, Colden V.
Abstract:: This study examined fish movements and assemblage dynamics in the Wenaha, Grande Ronde, Snake river system of northeast Oregon and southeast Washington. I investigated the role of fish movement in the dynamics of stream fish assemblages and evaluated relationships between species movement, assemblage structure, and the heterogeneity of habitat at...
Resource Type:: Dissertation

Environmental variables as predictors of fish assemblages in the Tillamook Basin, Oregon

Creator:: Rose, Cathleen E.
Abstract:: The Tillamook and Kilchis subbasins of the Tillamook Bay watershed (Oregon Coast Range) have differences in geology and land use history and, therefore, varied environmental conditions that could affect fish assemblages. Fifty-two randomly selected wadeable stream reaches in these two subbasins were surveyed for stream habitat and fish assemblage composition...
Resource Type:: Masters Thesis
Full Text:: : Environmental Variables as Predictors of Fish Assemblages in the Tillamook Basin, Oregon. M. Jesse Ford The

Potential for dispersal of the non-native parasite Myxobolus cerebralis : qualitative risk assessments for the state of Alaska and the Willamette River Basin, Oregon

Creator:: Arsan, E. Leyla
Abstract:: First introduced to the USA in 1958, Myxobolus cerebralis, the parasite responsible for whirling disease in salmonids, has since spread across the country causing severe declines in wild trout populations in the intermountain west. Recent development of risk assessment models used to assess the likelihood and consequences of exotic parasite...
Resource Type:: Masters Thesis
Full Text:: Hatchery (WF) on the Metolius River, Oregon. Triplicate groups of 100 worms from both FTR and WF and a

ScholarsArchive@OSU

Managing adult hatchery summer steelhead for a recreational fishery with reduced hatchery and wild interactions

Habitat selection of hatchery and wild juvenile salmonids in Eagle Creek Basin, Oregon

Conservation hatcheries and supplementation strategies for recovery of wild stocks of salmonids: report of a workshop : Independent Multidisciplinary Science Team, Portland, OR, June 19-21, 2000

Evaluation of Responses to IMST Recommendations : Administrative report 2001-1

Diel activity patterns in demersal fishes on Heceta Bank, Oregon

Heterogeneous thermal habitat for northeast Oregon stream fishes

Evaluation of Research Priorities for the Oregon Plan, 2001-2003

Fish movement and assemblage dynamics in a Pacific Northwest riverscape

Environmental variables as predictors of fish assemblages in the Tillamook Basin, Oregon

Potential for dispersal of the non-native parasite Myxobolus cerebralis : qualitative risk assessments for the state of Alaska and the Willamette River Basin, Oregon

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