Index Catalog // ScholarsArchive@OSU

Creator:: Barajas, Miguel F.
Abstract:: Listed as endangered in 1988, the Lost River sucker (Deltistes luxatus) and Shortnose sucker (Chasmistes brevirostris) were once abundant and widely distributed in the Klamath Basin in Southern Oregon and Northern California. Populations of both species have been declining since the late 1960’s. Factors thought responsible for declines include naturally...
Resource Type:: Masters Thesis
Full Text:: ranging from 2.4 to 3 m and a maximum depth of 6 m located in the southwestern side of the lake (Banish

Creator:: Herron-Seeley, Crystal L.
Abstract:: Juvenile Chinook Salmon (Oncorhynchus tshawytscha) have a finite amount of energy that they can use to move from their riverine habitat to their oceanic habitat. Fish in the Willamette River Basin are prevented from moving to the ocean easily by dams which create reservoirs, where they reside for up to...
Resource Type:: Masters Thesis
Full Text:: & Shellfish Immunology 31(3):381-388. Keefer, M. L., G. A. Taylor, D. F. Garletts, C. K. Hems, G. A

Creator:: Berger, Aaron M.
Abstract:: Mark-recapture methods were used to examine watershed-scale survival rates of coastal cutthroat trout (Oncorhynchus clarkii clarkii) from two headwater stream networks located in the foothills of the Cascade Mountain Range, Oregon. Differences in survival were explored among spatial (stream segment, stream network [main stem or tributaries], and watershed) and temporal...
Resource Type:: Masters Thesis
Full Text:: THESIS OF Aaron M. Berger for the degree of Master of Science in Fisheries Science presented on

Creator:: Kaylor, Matthew J.
Abstract:: Humans have drastically altered the physical habitat and food web structure of stream ecosystems. Two major impacts humans have had on Pacific Northwest streams are modification of streamside forests (as a result of agriculture, land development, and timber harvest), and declines in the return of wild anadromous salmon to headwater...
Resource Type:: Dissertation
Full Text:: manuscripts. Dana R. Warren and Peter M. Kiffney contributed to analysis, interpretation of results and

Creator:: Baldwin, Rebecca E. B.
Abstract:: Pacific sardines (Sardinops sagax) are an economically and ecologically important forage fish which transfer energy from planktonic primary producers and secondary consumers to upper trophic predators. Previous genetics studies of Pacific sardine suggested a panmictic population with a shallow genetic structure. However, more than one subpopulation within the Central California...
Resource Type:: Dissertation
Full Text:: . Cimmaruta, A. S. Comesana, G. Dahle, M. T. G. Santamaria, L. S. Gordo, S. A. Iversen, K. MacKenzie, A

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