Index Catalog // ScholarsArchive@OSU

Integrating functional trait frameworks into restoration : the role of seed and seedling traits in recruitment success

Creator:: Larson, Julie E.
Abstract:: Seeding is a vital tool to facilitate recovery of degraded ecosystems, but low seedling recruitment rates limit the utility of this practice in a range of ecosystems across the globe. Plant functional traits impact individual fitness through effects on growth, reproduction and survival. Consequently, seed and seedling trait variation among...
Resource Type:: Masters Thesis
Full Text:: , R. L., J. J. James, M. J. Rinella, D. Blumenthal, and J. M. DiTomaso. 2010. A scientific

Directing ecological succession : the role of competition in restoring semi-arid grasslands dominated by invasive plants

Creator:: Mangla, Seema
Abstract:: Successful ecosystem restoration requires an understanding of the ecological processes directing succession. One of the challenges in the semi-arid grasslands of western United States is replacement of native species by invasive annual grasses. Solutions to this problem require identifying and manipulating ecological processes that direct succession to favor desired vegetation....
Resource Type:: Dissertation
Full Text:: : _______________________________________________________ Roger L. Sheley Steven R. Radosevich

Role of propagule pressure and priority effects on plant establishment during restoration of invaded shrub-steppe

Creator:: Schantz, Merilynn C.
Abstract:: Biological plant invasions are diminishing the ecological integrity and function of ecosystems worldwide. A primary example of this is in the Great Basin of the United States, where invasive annual grasses, like cheatgrass (Bromus tectorum L.) and medusahead (Taeniatherum caput-medusae L. Nevski), are dominating many sagebrush-steppe ecosystems. In these invaded...
Resource Type:: Dissertation
Full Text:: Review of Ecology and Systematics 23:63-87. Davies, K. W., and R. L. Sheley 2007. Influence of

R factor transfer among bacteria isolated from the environment

Creator:: Latimer, Joan Marie
Resource Type:: Masters Thesis
Full Text:: -2, an RNA bacteriophage, was obtained from Dr. L. R. Brown, Oregon State University. MS-2 was used

Life-history, growth and interference of cheatgrass (Bromus tectorum L.) and yellow starthistle (Centaurea solstitialis L.)

Creator:: Sheley, Roger Leslie
Abstract:: Cheatgrass (Bromus tectorum L.) and yellow starthistle (Centaurea soistitialis L.) have invaded over 3 million ha of grasslands in the western U.S. Future management will require an understanding of the conditions, mechanisms, and processes which control species dominance, community dynamics, and desirable plant establishment in these alien dominated annual rangelands....
Resource Type:: Dissertation

Impact of Cultivation Legacies on Rehabilitation Seedings and Native Species Re-Establishment in Great Basin Shrublands

Creator:: Morris, L. R., Monaco, T. A., and Sheley, R. L.
Abstract:: Little is known about how cultivation legacies affect the outcome of rehabilitation seedings in the Great Basin, even though both frequently co-occur on the same lands. Similarly, there is little known about how these legacies affect native species re-establishment into these seedings. We examined these legacy effects by comparing areas...
Resource Type:: Article
Full Text:: . A., & Sheley, R. L. (2014). Impact of Cultivation Legacies on Rehabilitation Seedings and Native

Large-Scale Downy Brome Treatments Alter Plant-Soil Relationships and Promote Perennial Grasses in Salt Desert Shrublands

Creator:: Schantz, Merilynn C., Monaco, Thomas A., Call, Christopher A., and Sheley, R. L.
Abstract:: Because invasive annual grasses can strongly influence soil resource availability and disturbance regimes to favor their own persistence, there is a great need to understand the interrelationships among invasive plant abundance, resource availability, and desirable species prominence. These interrelationships were studied in two salt desert sites where the local abundance...
Resource Type:: Article
Full Text:: ., Monaco, T. A., Call, C. A., & Sheley, R. L. (2014). Large-Scale Downy Brome Treatments Alter Plant-Soil

Field growth comparisons of invasive alien annual and native perennial grasses in monocultures

Creator:: Mangla, S., Sheley, R. L., and James, J. J.
Abstract:: Throughout the western United States, the invasive annual grass, medusahead (Taeniatherum caput-medusae L. Nevski), is rapidly invading grasslands once dominated by native perennial grasses, such as bluebunch wheatgrass (Pseudoroegneria spicata (Pursh) A). It is also invading grasslands dominated by less undesirable invasive annual grasses, especially cheatgrass (Bromus tectorum L.). Understanding...
Resource Type:: Article
Full Text:: annual and native perennial grasses in 1 monocultures 2 3 S. Mangla a, * , R. L. Sheley b and J

Developmental mutants of Phaseolus vulgaris L.

Creator:: Shii, Chou Tou
Abstract:: Hybrids with abnormal development were obtained when particular genotypes of Phaseolus vulgaris L. were crossed. The phenotypic aberrations of the F₁s included retarded growth, chlorosis of the trifoliate leaves and the formation of adventitious roots on the hypocotyls. The expression of the abnormalities was dependent on the temperature. At high...
Resource Type:: Dissertation
Full Text:: \ \ \ X Ul \ 1 M 01 r\ \\ / ■>! { \ \ \ f'< s \ \ \ \ l 1 CD 1

Inside, Outside : Light and Dark

Creator:: Knotts, L. William
Abstract:: In a story of his life Les reflects on what he has gained and what he has lost while seeking success in the moving and shifting of military and academic life through homes and schools all over the United States. He describes himself as between races, languages, and cultures.
Resource Type:: Masters Thesis
Full Text:: THESIS OF L. William Knotts for the degree of Master of Arts in Interdisciplinary Studies, in the co

ScholarsArchive@OSU

Integrating functional trait frameworks into restoration : the role of seed and seedling traits in recruitment success

Directing ecological succession : the role of competition in restoring semi-arid grasslands dominated by invasive plants

Role of propagule pressure and priority effects on plant establishment during restoration of invaded shrub-steppe

R factor transfer among bacteria isolated from the environment

Life-history, growth and interference of cheatgrass (Bromus tectorum L.) and yellow starthistle (Centaurea solstitialis L.)

Impact of Cultivation Legacies on Rehabilitation Seedings and Native Species Re-Establishment in Great Basin Shrublands

Large-Scale Downy Brome Treatments Alter Plant-Soil Relationships and Promote Perennial Grasses in Salt Desert Shrublands

Field growth comparisons of invasive alien annual and native perennial grasses in monocultures

Developmental mutants of Phaseolus vulgaris L.

Inside, Outside : Light and Dark

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