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Creator:: Clark, Deborah and Wilson, Mark V.
Abstract:: The Willamette Valley (Oregon) Prairie Plant Trait Dataset is a compilation of plant traits of species important in upland prairies, wetland prairies, vernal pools, and emergent wetlands, and in the restoration of prairies and wetlands of the Willamette Valley of Oregon. These species are also found widely throughout the Pacific...
Resource Type:: Dataset
Full Text:: Willamette Valley (Oregon) Prairie Plant Trait Dataset Clark, D., Wilson, M. V. (2018). The Willamette

Creator:: Clark, Deborah L., Wilson, Mark V., and Clark, Deborah Louise, 1950-
Abstract:: Wetland prairies of the Willamette Valley, considered among the rarest of Oregon’s ecosystems, are threatened by invasion of woody species and non-native species. Because of its historical importance, fire is a top choice of managers for preventing the encroachment of woody species. However, the effects of prescribed burning on present...
Resource Type:: Technical Report
Full Text:: Prairie Plant Species FINAL REPORT Prepared by Deborah L. Clark and Mark V

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:: ) Order No. HEP040027 Prepared by Deborah L. Clark, Ph.D. Mark V. Wilson, Ph.D

Creator:: Clark, Deborah Louise, 1950- and Wilson, Mark V.
Abstract:: Native prairies, which once dominated the landscape of the Willamette Valley, are considered among the rarest of Oregon's ecosystems. Even though only remnants remain today, they harbor rare and endangered species such as the Fender's blue butterfly (Icaricia icariodes fenderi) and its preferred host plant, Kincaid's lupine (Lupinus sulphureus ssp....
Resource Type:: Technical Report
Full Text:: Management of Fender's Blue Butterfly Habitats Prepared by Deborah L. Clark and Mark. V. Wilson

Creator:: Wilson, Mark V. and Clark, Deborah Louise, 1950-
Abstract:: Native upland prairies, which once dominated the landscape of the Willamette Valley, are considered among the rarest of Oregon's ecosystems. Even though only remnants remain today, they harbor many rare and endangered species such as the Fender's blue butterfly and its host plant, Kincaid’s lupine. Invasion of remnant prairies by...
Resource Type:: Technical Report
Full Text:: Rose in Willamette Valley Upland Prairies Prepared by Mark V. Wilson and Deborah L. Clark

Creator:: Clark, Deborah Louise, 1950- and Wilson, Mark V.
Abstract:: Prepared for US Fish and Wildlife Service Western Oregon NWR Complex and Oregon Natural Heritage Program Portland, Oregon.
Resource Type:: Technical Report
Full Text:: Upland Prairies Prepared by Deborah L. Clark and Mark V. Wilson Department

Creator:: Clark, Deborah Louise, 1950- and Wilson, Mark V.
Abstract:: Wetland prairies of the Willamette Valley, among the rarest of Oregon’s ecosystems, are threatened by invasion of woody species and non-native pest species. Because fire has been important in maintaining Willamette Valley prairies for at least 1000 years, prescribed burning is a top choice of managers for preventing encroachment of...
Resource Type:: Technical Report
Full Text:: CONTROLLLING WOODY VEGETATION IN WETLAND PRARIES 1994-1999 Prepared by Deborah L. Clark

Creator:: Wilson, Mark V. and Clark, Deborah Louise, 1950-
Abstract:: We tested the recolonization ability of the Fender’s blue butterfly and monitored the vegetation response to a management-scale prescribed fire at the Baskett Slough National Wildlife Refuge, western Oregon. The prescribed fire successfully cut shrub cover in half, but also reduced the size of Festuca roemeri, a dominant native grass....
Resource Type:: Technical Report
Full Text:: Slough NWR Submitted by Mark V. Wilson and Deborah L. Clark Submitted to U.S. Fish and Wildlife

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:: ) Order No. HEP040027 Prepared by Mark V. Wilson, Ph.D. Deborah L. Clark, Ph.D. Submitted to Bureau

Creator:: Wilson, Mark V. and Clark, Deborah Louise, 1950-
Abstract:: We report first-year results from two field experiments evaluating the effectiveness of various techniques for the control of pest plants in Fender's blue butterfly habitat. In the woody-plant study, we monitored the effects of mowing, mowing and herbicides, and burning on woody plants and key native and non-native grasses and...
Resource Type:: Technical Report
Full Text:: Manipulation and Management of Fender's Blue Butterfly Areas" Prepared by Mark V. Wilson and Deborah L

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