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Propagule sources, disturbance characteristics and the inital establishment of riparian vegetation after debris flows

Creator:: Gecy, Jeanne Leslie
Abstract:: Debris flows are a major cause of disturbance to riparian vegetation. Both observational and experimental studies were used to examine the initial recovery of riparian vegetation after debris flows on headwater streams in the western Cascades of Oregon. My goal was to determine the roles of seedlings and vegetative sprouts,...
Resource Type:: Masters Thesis
Full Text:: Vegetation after Debris Flows. Redacted for Privacy Abstract approved: Mark V. Wilson Debris flows are a

Factors determining species composition of post-disturbance vegetation following logging and burning of an old growth Douglas-fir forest

Creator:: Clark, Deborah Louise, 1950-
Resource Type:: Masters Thesis
Full Text:: thank Mark Wilson, my major professor, for being readily available for numerous discussions during

Population characteristics of exotic plants in a Willamette Valley native prairie

Creator:: Lantz, Lisa E.
Resource Type:: Masters Thesis
Full Text:: Characteristics of Exotic Plants in a Willamette Valley Native Prairie. Abstract approved: Mark V. Wilson

Effects of fire on seedling establishment in upland prairies in the Willamette Valley, Oregon

Creator:: Maret, Mary P.
Abstract:: Prior to European settlement, native prairie dominated the landscape of the Willamette Valley. Today, due to urbanization, agriculture, and the cessation of burning, only isolated remnants of these grasslands still exist. In response to conservation concerns, there has been a move to restore the remaining prairies in the Willamette Valley,...
Resource Type:: Masters Thesis
Full Text:: : Mark V. Wilson Prior to European settlement, native prairie dominated the landscape of the Willamette

The effects of native plants on non-native plant abundance in a restoration setting : differences among native species and the predictive ability of species traits

Creator:: Goodridge, Jennifer M.
Abstract:: Reducing the cover of non-native species is one of the challenges of ecosystem restoration. The goal of this study is to identify native species traits that will increase native species cover and reduce non-native species cover in the first growing season at upland and wetland prairie restoration sites. Native and...
Resource Type:: Masters Thesis
Full Text:: Species and the Predictive Ability of Species Traits. Abstract approved: Mark V. Wilson Reducing the

Conservation of Sidalcea nelsoniana through habitat management : effects of burning, mowing, and altered flooding regime on a rare Willamette Valley perennial

Creator:: Bartels, Marilynn R.
Abstract:: Active habitat management plays a key role in the preservation of native ecosystems and rare species, especially in the Willamette Valley of Oregon, where natural succession to woodlands threatens the few wetland prairies remaining after 150 years of agriculture and urbanization. Sidalcea nelsoniana, listed as threatened under the federal Endangered...
Resource Type:: Masters Thesis
Full Text:: Regime on a Rare Willamette Valley Perennial. Abstract approved: 9 Mark V. Wilson Active habitat

The reproductive ecology of the pacific yew (Taxus brevifolia nutt.) under a range of overstory conditions in western Oregon

Creator:: DiFazio, Stephen P.
Abstract:: The influence of overstory openness on the reproductive ecology of Pacific yew (Taxus brevifolia Nutt.) was investigated on 4 sites in western Oregon over 2 years. The breeding system of T. brevifolia was found to deviate from pure dioecy under a broad range of canopy and site conditions. Production of...
Resource Type:: Masters Thesis
Full Text:: Mark Wilson, provided inspiration and guidance while allowing me the freedom to explore. My

The effects of defoliation on Bromus tectorum seed production and growth

Creator:: Mayer, Kara Hempy
Abstract:: Cheatgrass (Bromus tectorum L.) is a widespread exotic weed in the Intermountain sagebrush steppe. An annual grass, it is highly prolific and very competitive with native perennial grass seedlings. A clipping experiment carried out at two cheatgrass-dominated sites (Lincoln Bench and Succor Creek) in eastern Oregon analyzed effects of defoliation...
Resource Type:: Masters Thesis
Full Text:: approved: 7 i/ David A, Pyke and Mark V. Wilson Cheatgrass (Bromus tectorum L.) is a widespread exotic

Functional groups, traits, and the performance of species in restoration

Creator:: Roberts, Rachael E. (Rachael Elaine)
Abstract:: In ecological restoration, species that are sown to increase the native plant diversity range in establishment ability. Some species readily establish, while others rarely do. This study set out to investigate some of the potential processes influencing species establishment, as well as the traits that are associated with the success...
Resource Type:: Masters Thesis
Full Text:: L. Clark Mark V. Wilson In ecological restoration, species that

ScholarsArchive@OSU

Propagule sources, disturbance characteristics and the inital establishment of riparian vegetation after debris flows

Factors determining species composition of post-disturbance vegetation following logging and burning of an old growth Douglas-fir forest

Population characteristics of exotic plants in a Willamette Valley native prairie

Effects of fire on seedling establishment in upland prairies in the Willamette Valley, Oregon

The effects of native plants on non-native plant abundance in a restoration setting : differences among native species and the predictive ability of species traits

Conservation of Sidalcea nelsoniana through habitat management : effects of burning, mowing, and altered flooding regime on a rare Willamette Valley perennial

The reproductive ecology of the pacific yew (Taxus brevifolia nutt.) under a range of overstory conditions in western Oregon

The effects of defoliation on Bromus tectorum seed production and growth

Functional groups, traits, and the performance of species in restoration

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