Index Catalog // ScholarsArchive@OSU

Riparian vegetation and abundance of woody debris in streams of southwestern Oregon

Creator:: Ursitti, Victoria L.
Abstract:: Riparian vegetation (trees > 10 cm dbh), woody debris (> 10 cm diam, > 1 m long), channel, and landform characteristics were inventoried in mature (80-150 yrs) and old-growth riparian areas (>250 yrs) selected from small tributaries of the Coos and Coquille River basins in southwestern Oregon. Basal area of...
Resource Type:: Masters Thesis
Full Text:: debris basal area, even at sites where a very small portion of riparian trees was conifer. Conifer

Response of trout, sculpins, and salamanders to experimental manipulation of large wood in Cascade Mountain streams

Creator:: Burgess, Jack A.
Abstract:: Response of aquatic vertebrates to increased pool habitat complexity due to abundance of large wood was evaluated experimentally in three streams in the Cascade Mountains of Oregon. No difference in aquatic vertebrate density was detected among treatments, though there was a trend of increasing aquatic vertebrate density with increasing large...
Resource Type:: Masters Thesis

A simulation model of wood dynamics in Pacific Northwest streams

Creator:: Meleason, Mark Alan
Abstract:: Conceptually, the dynamics of wood in streams can be viewed in terms of input and in-channel processes. Input processes are associated with both the riparian (tree fall, bank cutting, windthrow) and upslope forests (mass failures). In-channel processes include log breakage, movement, and decomposition. A mechanistic view of these processes is...
Resource Type:: Dissertation
Full Text:: in STREAM WOOD is based on the hierarchical arrangement of a stream system as described by Gregory et

A food web analysis of a Mojave Desert geothermal spring system and feeding ecology of Moapa dace (Moapa coriacea)

Creator:: StSaviour, Adam
Abstract:: Understanding food webs is fundamental in conserving endangered species and maintaining healthy ecosystem function, particularly in desert spring systems. We identified dominant energy sources in the Muddy River Warm Springs area, Clark County, NV using carbon and nitrogen natural abundance stable isotope analyses. We examined isotopic signatures of specific macroinvertebrate...
Resource Type:: Masters Thesis
Full Text:: Science presented on February 8, 2011. Title: A Food Web Analysis of a Mojave Desert Geothermal

Hydrologic and vegetation responses associated with restoration of wetlands in the Willamette Valley, Oregon

Creator:: Coleman, Gregory A.
Abstract:: I examined hydrological and plant community changes associated with the implementation of a restoration management plan in two riparian meadows located within an agricultural landscape of the central Willamette Valley, Oregon. I established exclosure fencing (a form of passive restoration) in one agricultural field and established fencing and plugged a...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Gregory A. Coleman for the degree

Seasonal changes in distribution and abundance of salmonids and habitat availability in a coastal Oregon basin

Creator:: Sleeper, Jack David
Abstract:: Visual estimation techniques were used to quantify habitat characteristics, habitat type (pool, riffle) use and longitudinal distribution of steelhead (Oncorhynchus mykiss), cutthroat trout (0. clarki), and coho salmon (0. kisutch) in spring, summer and fall in 8.8 km of Cummins Creek, a basin in the central coast of Oregon. Fish...
Resource Type:: Masters Thesis
Full Text:: salmonids and habitat availability in a coastal Oregon basin AN ABSTRACT OF THE THESIS OF Jack David

Influence of geomorphology and land use on distribution and abundance of salmonids in a coastal Oregon basin

Creator:: Schwartz, John Steven
Resource Type:: Masters Thesis
Full Text:: temporal scales of development (Frissell et al. 1986, Gregory et al. in press). The drainage network of a

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:: constructed on major tributaries (Gregory et al., 2002c; Hughes et al., 2005b). The result was a

Passage of juvenile cutthroat trout and steelhead through retrofitted culverts

Creator:: McEnroe, Jeffrey R.
Abstract:: Culverts and road crossings potentially create barriers that impede or prevent movement and migration of all life stages of resident and anadromous fish. There have been very few studies of juvenile salmonid movements through retrofitted (baffled) culverts in the field. Two separate studies were conducted to assess juvenile cutthroat trout...
Resource Type:: Masters Thesis

Fall directions and breakage of riparian trees along streams in the Pacific Northwest

Creator:: Sobota, Daniel J.
Abstract:: In the Pacific Northwest, regulatory agencies have recently implemented management strategies for restoration and maintenance of wood recruitment to streams over time. This allochthonous organic material is a critical component in the geomorphic and biological structure of forested streams. Mathematical models are commonly used to evaluate long-term wood dynamics in...
Resource Type:: Masters Thesis
Full Text:: important function of riparian zones in forested landscapes (Gregory et al. 1991). Wood serves as a stable

ScholarsArchive@OSU

Riparian vegetation and abundance of woody debris in streams of southwestern Oregon

Response of trout, sculpins, and salamanders to experimental manipulation of large wood in Cascade Mountain streams

A simulation model of wood dynamics in Pacific Northwest streams

A food web analysis of a Mojave Desert geothermal spring system and feeding ecology of Moapa dace (Moapa coriacea)

Hydrologic and vegetation responses associated with restoration of wetlands in the Willamette Valley, Oregon

Seasonal changes in distribution and abundance of salmonids and habitat availability in a coastal Oregon basin

Influence of geomorphology and land use on distribution and abundance of salmonids in a coastal Oregon basin

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

Passage of juvenile cutthroat trout and steelhead through retrofitted culverts

Fall directions and breakage of riparian trees along streams in the Pacific Northwest

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