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Creator:: Wilson, Mark V., Clark, Deborah Louise, 1950-, and Roberts, Rachel E.
Abstract:: Willamette Valley wetland prairies are some of the most endangered ecosystems in the United States, and provide habitat for many federally listed species (Wilson et al. 1993, Noss et al. 1995, USFWS 2000, Schultz et al. 2003). A rigorous program of ecosystem restoration can protect and enhance wetland plants, animals,...
Resource Type:: Technical Report
Full Text:: germination and growth rates, and reducing competitive pressure from non-native plants (Figure 1). In year

Creator:: Clark, Deborah Louise, 1950-, Finley, Karen K., and Ingersoll, Cheryl A.
Abstract:: Erigeron decumbens var. decumbens, the Willamette daisy, is known only from the Willamette Valley of Oregon. Herbarium records, from the 1800's until 1934, indicate that the Willamette daisy was once common and widely distributed throughout the Willamette Valley (Clark et al. 1993). However, between 1934 and 1980, this taxon was...
Resource Type:: Technical Report
Full Text:: strategies. Data are lacking on basic information such as seed viability and longevity, seed germination

Creator:: Wilson, Mark V., Ingersoll, Cheryl A., and Clark, Deborah Louise, 1950-
Abstract:: Seed size, abundance, viability, dormancy, and germination requirements strongly influence plant establishment and therefore are important considerations in restoration of native vegetation. These characteristics provide criteria for selection of suitable species, development of collection and pretreatment methods, and determination of seeding densities. The first set of objectives of this study...
Resource Type:: Technical Report
Full Text:: Seed Dormancy, Germination, and Establishment Prepared for U. S. Army Corps of Engineers Waterways

Creator:: Clark, Deborah Louise, 1950-, Wilson, Mark V., Roberts, Rachel, Dunwiddie, Peter W., Stanley, Amanda, and Kaye, Thomas N.
Abstract:: Question: Most results of restoration efforts are species-specific and/or site-specific and therefore are not general enough to be easily applied to other species and other sites. Our research addresses the issue of species-specific results by investigating the feasibility of using plant traits instead of taxonomic species to characterize species responses...
Resource Type:: Article
Full Text:: thatch and moss and prepare seedbeds for germination; and post-burn application of glyphosate, a broad

Creator:: Wilson, Mark V., Clark, Deborah Louise, 1950-, and Roberts, R. E.
Abstract:: Questions: Are traits related to the performance of plant species in restoration? Are the relationships between traits and performance consistent across the functional groups of annual forbs, perennial forbs, and grasses? Do the relationships between traits and performance depend on neighboring functional groups? Location: A former agricultural field, being restored...
Resource Type:: Article

Creator:: Wilson, Mark V. and Clark, Deborah Louise, 1950-
Abstract:: Willamette Valley wetland and upland prairies are some of the most endangered ecosystems in the United States, and provide habitat for many federally listed species. These are dynamic systems, subject to ecological succession and invasion by aggressive non-native species, and require active management to maintain management goals. This is true...
Resource Type:: Technical Report
Full Text:: having suitable environmental conditions, using species with adequate germination and growth rates, and

Creator:: Clark, Deborah Louise, 1950- and Wilson, Mark V.
Abstract:: Willamette Valley wetland and upland prairies are some of the most endangered ecosystems in the United States, and provide habitat for many federally listed species. Because these are dynamic systems, subject to ecological succession and invasion by aggressive non-native species, prairies require active management to maintain management goals. This is...
Resource Type:: Technical Report
Full Text:: having suitable environmental conditions, using species with adequate germination rates, and reducing

ScholarsArchive@OSU