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Filtering by: Creator Oregon State University. Department of Fish and Game Management Remove constraint Creator: Oregon State University. Department of Fish and Game Management Advisor Li, Hiram W. Remove constraint Advisor: Li, Hiram W. Degree Field Fisheries Science Remove constraint Degree Field: Fisheries Science

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Formation and maintenance of fish assemblages in a high desert Oregon stream

Creator:

Pearsons, Todd N.

Abstract:

Considerable controversy exists about how fish assemblages are organized. I explicitly took fish movement into account while I studied the effects of disturbance, habitat complexity, and predation at different times of the summer to understand the major factors influencing assemblage structure in a high desert Oregon stream. The effects of...

Resource Type:

Dissertation

Full Text:

reviewed chapter 3. This research was supported by Oregon Department of Fish and Wildlife grant (F-147
Benthic biological invasions in two temperate estuaries and their effects on trophic relations of native fish and community stability

Creator:

Castillo, Gonzalo C.

Abstract:

The extent of biological invasions, their role on the feeding of native fishes and their impact on community stability were investigated in Alsea Bay and Yaquina Bay, two estuaries on the central Oregon coast, USA. Most nonindigenous species (NIS) introduced in these intermediately invaded estuaries are considered byproducts of culturing...

Resource Type:

Dissertation

Full Text:

Cooperative Fish and Wildlife Research Unit, Department of Fisheries and Wildlife. Oregon State University
Impacts of earlier emerging steelhead fry of hatchery origin on the social structure, distribution, and growth of wild steelhead fry

Creator:

Noble, Sandra M. (Sandra Marie)

Abstract:

Newly emerged steelhead fry (Oncorhynchus mvkiss) of hatchery and wild origins were studied in laboratory stream channels and natural streams. Objectives of the study were to determine if and how earlier emerging hatchery fry influence the emigration, realized densities, growth, habitat use, social structure, and activity patterns of localized populations...

Resource Type:

Masters Thesis

Full Text:

Oregon Department of Fish and Wildlife made this study possible through their assistance and cooperation
Characterization of stream fish assemblages and land use associations within a southern Ohio National Forest

Creator:

LaRue, Michelle L.

Abstract:

Seasonally, in 1998 and 1999, I examined spatial and temporal variation in fish assemblages of agricultural, forested, and acid mine drainage tributaries within the Wayne National Forest (WNF) in southern Ohio. Land use and natural disturbance explained patterns in stream fish assemblages. Creek chub and green sunfish were present in...

Resource Type:

Masters Thesis

Full Text:

wonderful assistance and for serving as my advisors at Oregon State University. I also thank Cliff Pereira
Seasonal life history of Oncorhynchus mykiss in the South Fork John Day River Basin, Oregon

Creator:

Tattam, Ian A.

Abstract:

Understanding seasonal changes in growth, survival, and movement rates is crucial to salmonid management. These life history characteristics provide a context for evaluation of management actions. We evaluated the life history of individually marked Oncorhynchus mykiss gairdneri in the South Fork John Day River basin in Northeastern Oregon. This thesis...

Resource Type:

Masters Thesis

Full Text:

A THESIS submitted to Oregon State University in partial fulfillment of
A geographical framework for assessing longitudinal patterns in stream habitat and fish distribution

Creator:

Torgersen, Christian E.

Abstract:

New approaches are needed to quantify and understand spatial patterns of stream fishes and their environment. Concepts in riverine ecology emphasize the importance of thermal zones and gradual longitudinal changes in physical habitat and biota, but little is known about spatial variability within the river continuum. I present a conceptual...

Resource Type:

Dissertation

Full Text:

U.S. Geological Survey, Oregon State University, and the Oregon Department of Fisheries and Wildlife
Herbivory by a north temperate stream fish, Acrocheilus alutaceus (Agassiz & Pickering)

Creator:

Lassuy, Dennis R.

Abstract:

Documentation of the seasonal feeding habits and ability to assimilate algae are presented for the first time for a North American grazing stream fish. The chiselmouth, Acrocheilus alutaceus, begins feeding on algal matter in early spring and has deposited large fat reserves prior to an early summer spawning season. A...

Resource Type:

Dissertation

Full Text:

Dennis R. Lassuy A THESIS submitted to Oregon State University in partial fulfillment of the
Distribution, habitat use, and growth of juvenile Chinook salmon in the Metolius River Basin, Oregon

Creator:

Lovtang, Jens C.

Abstract:

Chinook salmon (Oncorhynchus tshawytscha) have been absent from their historic spawning and rearing grounds in the Metolius River Basin in central Oregon since 1968, when fish passage was terminated at the Pelton Round Butte Hydroelectric Project on the Deschutes River. Plans have been developed to reestablish passage of anadromous fish...

Resource Type:

Masters Thesis

Full Text:

Oregon State University in partial fulfillment of the requirements for the degree of Master of Science
Seasonal shifts in redband trout use of pools and their microhabitats in three central Oregon streams

Creator:

Hirsch, Christine L.

Abstract:

Redband trout density was examined in three forested streams in central Oregon at two scales, pool channel unit and microhabitat. Two streams were in roadless areas and one was in a "highly managed" watershed. At the larger spatial scale, trout displayed a seasonal shift in habitat use from early to...

Resource Type:

Masters Thesis

Full Text:

through 1995 (Oregon Department of Fish and Wildlife, Ochoco District, unpublished data). Steelhead have
Influence of streamflow regime and biotic interactions on fish assemblage structure in rivers of the northern Great Plains

Creator:

Kelly, Valerie

Abstract:

This study evaluates the functional organization of stream fish assemblages in response to streamflow factors and biotic interactions across a range of spatial scale. The study area for this project includes 109 stream reaches located on tributaries to the upper Missouri River in the northern Great Plains. Fish distribution data...

Resource Type:

Dissertation

Full Text:

DISSERTATION submitted to Oregon State University in partial fulfillment of the

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Academic Affiliation

Fisheries and Wildlife23

Advisor

Li, Hiram W.[remove]23
Schreck, Carl B.3
Fitzpatrick, Martin S.1
Fleming, Ian A.1
Giannico, Guillermo R.1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1991 to 2009

View distribution

Committee Member

Hixon, Mark3
Bottom, Dan L.2
Gregory, Stan2
Jones, Julia2
Bailey, George1
more Committee Members »

Creator

Torgersen, Christian E.2
Adams, Noah Swayambhu1
Castillo, Gonzalo C.1
Close, David A.1
Currens, Kenneth P.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1990 to 2008

View distribution

Decade

2000-200913
1990-199910

Degree Field

Fisheries Science[remove]23

Degree Level

Master's13
Doctoral10

Degree Name

Master of Science (M.S.)13
Doctor of Philosophy (Ph.D.)10

File Format

application/pdf3

Language

English [eng]23

License

All rights reserved8

Location

South Fork John Day River, Oregon, United States, (Hydrographic)1

Non-Academic Affiliation

Oregon State University. Graduate School23

Peer Reviewed

No22

Resource Type

Masters Thesis13
Dissertation10

Rights Statement

Copyright Not Evaluated12
In Copyright11

Subject

Chinook salmon -- Genetics2
Fishery resources -- Hatchery vs. wild stocks2
Alsea River Watershed (Or.)1
Biological invasions -- Oregon1
Biotic communities -- Mathematical models1
more Subjects »

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