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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 Nearshore Macroinvertebrates in Lakes of the Northern Cascade Mountains, Washington, USA

The effects of irrigation water withdrawals on macroinvertebrate community structure and life history strategies

Creator:: Miller, Scott W.
Abstract:: I used current water management practices in central and eastern Oregon and Washington as natural experiments to quantify the effects of irrigation water withdrawals on macroinvertebrate community structure and life history strategies. Reduced discharge had direct (e.g. decreased velocity and wetted habitat) and indirect (e.g. increased conductivity and temperature) effects...
Resource Type:: Dissertation
Full Text:: and eastern Oregon and Washington as natural experiments to quantify the effects of irrigation water

Groundfish resource survey of the continental shelf off Washington, 1975: Annual report July1, 1975 to September 30, 1976.

Creator:: Barss, William H.
Abstract:: “This report summarizes project progress in FY 1976 on the first phase of a survey on the continental shelf and upper continental slope off the coast of Washington. The second and final phase is a replicate survey scheduled for FY 1977. Objectives of the survey were to obtain estimates of...
Resource Type:: Technical Report
Full Text:: survey o f f Washington, 9975 Catch Processi ng Catches were dumped onto a so r t i ng t ab le 6

Marine resource surveys on the continental shelf and upper slope off Washington, 1975-76 : completion report July 1, 1975 to September 30, 1977

Creator:: Barss, William H., Demory, Robert L., Ten Eyck, Neil, Oregon. Department of Fish and Wildlife, and United States. National Marine Fisheries Service
Abstract:: Groundfish surveys off the Washington coast were conducted in September of 1975 and 1976 between Cape Flattery and the Columbia River. The primary purposes of the surveys were to obtain estimates of biomass and further our knowledge on population parameters of important groundfish species, especially flatfish, occupying the continental shelf...
Resource Type:: Technical Report
Full Text:: . Distribution and relative abundance (weight) of lingcod i n September 1975 and 1976 off Washington as

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:: Lowlands. Abstract appr Judith L. Li Longitudinal patterns of fish and benthic invertebrate distribution

Benthic macroinvertebrate production

Creator:: Bissonnette, Pam, Taub, F. B. (Frieda B.), U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Macroinvertebrates were sampled on a regular basis from March to October 1973. A relationship between chironomid length and biomass was established. Production equations to be used for these insects are reported. A similar length/weight relationship is presently being explored for the oligochaetes. A proposal is made for calculating their production...
Resource Type:: Technical Report
Full Text:: INTERNAL REPORT 147 BENTHIC MACRO INVERTEBRATE

Distribution and life history of the spiny dogfish (Squalus acanthias) off the Oregon and Washington coasts

Creator:: Richards, Jaclyn M.
Abstract:: This study examines the spatial and temporal distribution and life history of the "offshore" component of the Northeastern Pacific spiny dogfish (Squalus acanthias) population. Distribution was examined in relation to latitude, depth, the Columbia River plume and large-scale climate changes. Fishery and survey data indicate that the Northeastern Pacific spiny...
Resource Type:: Masters Thesis
Full Text:: distribution, with large catches occurring off the northern Washington and central Oregon coasts in shallow

Lotic macroinvertebrate distribution patterns in northeastern Oregon

Creator:: Gerth, William J.
Abstract:: This study was an investigation of lotic macroinvertebrate distribution in northeastern Oregon at two different spatial and biological scales. Examination of assemblages at a limited spatial scale revealed relationships with natural and disturbance gradients and led to questions about distribution of a population at broader spatial scales. In a 16...
Resource Type:: Masters Thesis
Full Text:: Distribution Patterns in Northeastern Oregon. Abstract approved: This study was an investigation of lotic

Secondary production in the Cedar River : macroinvertebrate and related studies

Creator:: Malick, James G., Stober, Quentin J., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Resource Type:: Technical Report
Full Text:: each station. To standardize stream invertebrate sampling methods with those used at Oregon State

Ecology of the northern subpopulation of northern anchovy (Engraulis mordax) in the California Current large marine ecosystem

Creator:: Litz, Marisa N. C.
Abstract:: Northern anchovy (Engraulis mordax) are a dominant forage fish in the California Current large marine ecosystem (CCLME). However, little is known about northern anchovy abundance, distribution, age structure, or population fluctuations relative to ocean conditions in the eastern boundary upwelling system off the U.S. West Coast. This thesis includes three...
Resource Type:: Masters Thesis
Full Text:: northern anchovy abundance, distribution, age structure, or population fluctuations relative to ocean

ScholarsArchive@OSU

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

The effects of irrigation water withdrawals on macroinvertebrate community structure and life history strategies

Groundfish resource survey of the continental shelf off Washington, 1975: Annual report July1, 1975 to September 30, 1976.

Marine resource surveys on the continental shelf and upper slope off Washington, 1975-76 : completion report July 1, 1975 to September 30, 1977

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

Benthic macroinvertebrate production

Distribution and life history of the spiny dogfish (Squalus acanthias) off the Oregon and Washington coasts

Lotic macroinvertebrate distribution patterns in northeastern Oregon

Secondary production in the Cedar River : macroinvertebrate and related studies

Ecology of the northern subpopulation of northern anchovy (Engraulis mordax) in the California Current large marine ecosystem

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