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Age, growth, and diet of fish in the Waldo Lake natural-cultural system

Creator:: Swets, Nicola L.
Abstract:: Waldo Lake, located in the Oregon Cascades, is considered to be one of the most dilute lakes in the world. Even with very low nutrient concentrations and sparse populations of zooplankton, introduced fish in the lake are large in size and in good condition when compared to fish from other...
Resource Type:: Masters Thesis
Full Text:: Natural-Cultural S Abstract approved priam J.Liss Waldo Lake, located in the Oregon Cascades, is

Habitat relationships of native and non-native fishes of the Willamette River, Oregon

Creator:: Williams, Joshua E.
Abstract:: The Willamette River flows north between the Cascade Mountains and Coast Range of western Oregon within a 29,728-km² basin. The fish community in the geologically young basin consists of 36 native species, but introductions of non-native fishes have added 33 additional species for a total of 69 fish species. During...
Resource Type:: Masters Thesis
Full Text:: Willamette River, Oregon AN ABSTRACT OF THE THESIS OF Joshua E. Williams for the

Cumulative effects of land use on salmon habitat in southwest Oregon coastal streams

Creator:: Frissell, Christopher Andrew, 1960-
Abstract:: As part of a hierarchical approach to classifying watersheds and stream habitats based on geomorphic and geologic criteria, we defined ten classes of fluvial and lacustrine habitats at the scale of valley segments. Valley segments are landscape units which encompass surface waters and the adjacent floodplains and hillslopes with which...
Resource Type:: Dissertation
Full Text:: southwest Oregon coastal streams AN ABSTRACT OF THE THESIS OF Christopher A. Frissell for the degree of

Relationships among in-stream physical habitat, land use, and geology in small coastal streams of northern Oregon

Creator:: Scott, Larissa E.
Abstract:: Salmonid populations in the Pacific Northwest are at historic lows and many populations continue to decline. Previous studies have linked salmonid declines to land use through degradation of in-stream physical habitat, but few of these studies have taken geology into consideration. This study relates habitat parameters known to be important...
Resource Type:: Masters Thesis
Full Text:: Use, and Geology in Small Coastal Streams of Northe Oregon Abstract approved: AN ABSTRACT OF THE

Distribution of fishes and their relationships to environments in selected coastal streams, Douglas and Coos Counties, Oregon

Creator:: Duke, Stephen D'Wayne
Abstract:: This study was an investigation to determine the distribution, abundance and general food habits of salmonids and non-game fishes residing in several selected coastal streams, Douglas and Coos Counties, Oregon. The physical conditions that characterize the various stream habitat types were monitored and the influence of physical conditions on the...
Resource Type:: Masters Thesis
Full Text:: THEIR RELATIONSHIPS TO ENVIRONMENTS IN SELECTED COASTAL STREAMS, DOUGLAS AND COOS COUNTIES. OREGON

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:: ecology emphasize the importance of thermal zones and gradual longitudinal changes in physical habitat

The influence of some environmental factors on the distribution of fishes in Upper Klamath Lake

Creator:: Vincent, David Thomas
Abstract:: The fishes of Upper Klamath Lake appeared to distribute themselves in three general groups during the summers of 1964 and 1965: (1) the chubs--unrestricted as to distribution with slight seasonal variations; (2) rainbow trout and yellow perch -- restricted to certain water conditions that exist only along the northern marsh...
Resource Type:: Masters Thesis
Full Text:: Klamath Lake by David Thomas Vincent A THESIS submitted to Oregon State University in partial

Food habits and species composition of neritic reef fishes off Depoe Bay, Oregon

Creator:: Steiner, Richard George
Abstract:: The distribution and trophic ecology of neritic reef fishes was studied to provide biological information useful in conserving these stocks. Houk and line fishing was conducted from July 1976 to July 1977 on neritic reefs within 5 km of the Oregon coast adjacent to Depoe Bay. Sampling was designed to...
Resource Type:: Masters Thesis
Full Text:: distribution and abundance of organisms off the coast of Oregon. The ecology of neritic reef fishes has been

The survival of coho salmon (Oncorhynchus kisutch) from egg deposition to emergence in three Oregon coastal streams

Creator:: Koski, K. Victor
Resource Type:: Masters Thesis

Taxonomic status of the isolated populations of tui chub referred to Gila bicolor oregonensis (Snyder)

Creator:: Bills, Frederick T.
Resource Type:: Masters Thesis
Full Text:: approved: Carl E. Bond The Oregon tui chub, Gila bicolor oregonensis (Snyder), is composed of six

ScholarsArchive@OSU

Age, growth, and diet of fish in the Waldo Lake natural-cultural system

Habitat relationships of native and non-native fishes of the Willamette River, Oregon

Cumulative effects of land use on salmon habitat in southwest Oregon coastal streams

Relationships among in-stream physical habitat, land use, and geology in small coastal streams of northern Oregon

Distribution of fishes and their relationships to environments in selected coastal streams, Douglas and Coos Counties, Oregon

A geographical framework for assessing longitudinal patterns in stream habitat and fish distribution

The influence of some environmental factors on the distribution of fishes in Upper Klamath Lake

Food habits and species composition of neritic reef fishes off Depoe Bay, Oregon

The survival of coho salmon (Oncorhynchus kisutch) from egg deposition to emergence in three Oregon coastal streams

Taxonomic status of the isolated populations of tui chub referred to Gila bicolor oregonensis (Snyder)

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