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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:: ....................................................................................163 Longitudinal surveys of fish distribution and stream habitat ...............166 Geographical

The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon

Creator:: Kettratad, Jes
Abstract:: The Pacific Northwest has a relatively low diversity of primary freshwater fishes with most of the endemism and diversity in the Columbia River and Klamath River. However, the Oregon Coastal Subprovince defined as the coastal rivers from Miami River in the north to Sixes River in the south, has a...
Resource Type:: Dissertation
Full Text:: Title: The Oregon Coastal Subprovince, a New Biogeographic Subprovince for Primary Freshwater Fishes in

Fish and invertebrate distribution at multiple scales in Thomas Creek, Oregon : a transition from conifer uplands to agricultural lowlands

Creator:: Langshaw, Russell B.
Abstract:: Longitudinal patterns of fish and benthic invertebrate distribution and habitat use were similar in Thomas Creek, Oregon but clarity of these patterns differed. I studied fish and aquatic invertebrates simultaneously, at multiple scales, and used multivariate statistical techniques to compare responses to the same environmental conditions. Both types of organisms...
Resource Type:: Masters Thesis
Full Text:: Distribution At Multiple Scales In Thomas Creek, Oregon; A Transition From Conifer Uplands To Agricultural

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:: monthly catch is taken in each zone an idea of a possible geographical distribution of the species is ob

Distribution of nearshore macroinvertebrates in lakes of the northern Cascade Mountains, Washington, USA

Creator:: Hoffman, Robert L.
Abstract:: Although nearshore macroinvertebrates are integral members of high mountain lentic systems, knowledge of ecological factors influencing their distributions is limited. Factors affecting distributions of nearshore macroinvertebrates were investigated, including microhabitat use and vertebrate predation, in the oligotrophic lakes of North Cascades National Park Service Complex, Washington, USA, and the conformity...
Resource Type:: Masters Thesis
Full Text:: distribution of freshwater taxa, although ascertaining the effects of selected chemical factors can be

Report of estuary surveys: July-August 1972

Creator:: Demory, Robert L., Forsberg, Brent O., Hosie, Michael J., and Barss, William H.
Abstract:: “Internal Report GS-73-1.” Includes hand-drawn maps of estuaries studied with seining locations shown. Species identified are listed for each estuary. Appendix A outlines a proposed study program to determine the importance of estuaries as rearing areas for juvenile fish, emphasizing juvenile English sole. 19 p.
Resource Type:: Technical Report

Distribution of selected Oregon ocean fisheries

Creator:: Fox, David S. and Oregon. Department of Fish and Wildlife
Resource Type:: Technical Report
Full Text:: DISTRIBUTION OF SELECTED OREGON OCEAN FISHERIES OREGON

Resource surveys on the continental shelf off Oregon. Annual report July 1, 1972 to June 30, 1973

Creator:: Demory, Robert L. and Robinson, Jack G.
Abstract:: This report summarizes program progress in FY 1973. Activities were directed entirely at completing the second phase of the work started in 1971, i.e., to complete the resource survey of the continental shelf off Oregon between the Columbia River and Cape Blanco. Objectives of the survey were to obtain estimates...
Resource Type:: Technical Report
Full Text:: different depths to account for differences in depth distribution of some species. Aging Studies

Resource surveys on the continental shelf off Oregon. Annual report July 1, 1973 to June 30, 1974

Creator:: Demory, Robert L.
Abstract:: This report summarizes program progress in FY 1974. Activities were directed entirely at completing the third of four phases of work started in 1971. The survey conducted in September 1973 was the second run over the continental shelf off the northern Oregon coast. Objectives of the survey were to obtain...
Resource Type:: Technical Report

Resource surveys on the continental shelf off Oregon. Annual report July 1, 1974 to June 30, 1975

Creator:: Demory, Robert L. and Hosie, Michael J.
Abstract:: This report summarizes project progress in FY 1974. Activities were directed entirely at completing the fourth and final phase of work started in 1971, i.e., to survey groundfish resources on the continental shelf off Oregon between the Columbia River and Cape Blanco. Objectives of the survey were to obtain estimates...
Resource Type:: Technical Report

ScholarsArchive@OSU

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

The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon

Fish and invertebrate distribution at multiple scales in Thomas Creek, Oregon : a transition from conifer uplands to agricultural lowlands

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

Distribution of nearshore macroinvertebrates in lakes of the northern Cascade Mountains, Washington, USA

Report of estuary surveys: July-August 1972

Distribution of selected Oregon ocean fisheries

Resource surveys on the continental shelf off Oregon. Annual report July 1, 1972 to June 30, 1973

Resource surveys on the continental shelf off Oregon. Annual report July 1, 1973 to June 30, 1974

Resource surveys on the continental shelf off Oregon. Annual report July 1, 1974 to June 30, 1975

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