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Recommendations for Control of Tall Oatgrass, Poison Oak, and Rose in Willamette Valley Upland Prairies

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:: Program Portland, Oregon and U. S. Fish and Wildlife Service Western Oregon Refuge Complex December 14

Demographic analysis of Erigeron decumbens var. decumbens, an endangered plant species of the Willamette Valley, Oregon: 1999 Field Studies

Creator:: Clark, Deborah Louise, 1950-
Abstract:: Erigeron decumbens var. decumbens, known only from the Willamette Valley of western Oregon, is listed as Endangered by the U.S. Fish and Wildlife Service and by the state of Oregon. In 1993 a long-term population monitoring program for Erigeron decumbens var. decumbens was initiated at Baskett Slough National Wildlife Refuge...
Resource Type:: Technical Report
Full Text:: Prepared for U.S. Fish and Wildlife Service Western Oregon NWR Refuge Complex Order No. 1448

Restoration of native upland prairies: Habitat for Fender’s blue butterfly (Icaricia icarioides fenderi)

Creator:: Clark, Deborah Louise, 1950- and Wilson, Mark V.
Abstract:: Our project goal is to promote the abundance of the endangered Fender’s blue butterfly (Icaricia icarioides fenderi) by recreating upland prairie habitat in former agricultural land at Finley National Wildlife Refuge, Corvallis, Oregon. To achieve this goal we initiated the following three studies. Study One: Experimental Investigation on the Effectiveness...
Resource Type:: Technical Report
Full Text:: Deborah L. Clark and Mark V. Wilson Prepared for Oregon Fish and Wildlife Service US Fish

Final Report: Controlling Tall Oatgrass in Fender’s Blue Butterfly Habitats

Creator:: Wilson, Mark V. and Clark, Deborah Louise, 1950-
Abstract:: We report final results from a five-year field experiment evaluating the effects of different mowing regimes on groups of native and non-native grasses and forbs. The study site was a degraded prairie at Baskett Slough National Wildlife Refuge dominated by the pest plant Arrhenatherum elatius (tall oatgrass). Mowing treatments differed...
Resource Type:: Technical Report
Full Text:: conducted these studies within the Baskett Slough National Wildlife Refuge (Polk County, Oregon), which is

Final Report 1994-1997: Effects of Fire, Mowing, and Mowing with Herbicide on Native Prairie of Baskett Butte, Baskett Slough NWR

Creator:: Wilson, Mark V. and Clark, Deborah Louise, 1950-
Abstract:: We report results from a field experiment evaluating the effectiveness of mowing, mowing and herbicides, and burning on woody plants, key native and non-native grasses and forbs, and the Fender’s blue butterfly. The goal was to find a technique that controlled woody pest plants without harming native species or promoting...
Resource Type:: Technical Report
Full Text:: Wildlife Service Western Oregon Refuges Order No. 13590-6-0112 November 10, 1997 Final Report, 1997

Final report 1994-1996 : Effects of fire and fire fighting techniques on Fender's blue butterfly and Kincaid's lupine

Creator:: Clark, Deborah Louise, 1950- and Wilson, Mark V.
Abstract:: We report results from a field experiment evaluating the effectiveness of mowing, mowing and herbicides, and burning on woody plants, key native and non-native grasses and forbs, and the Fender's blue butterfly. The goal was to find a technique that controlled woody pest plants without harming native species or promoting...
Resource Type:: Technical Report
Full Text:: . Wilson Submitted to Western Oregon Refuges U. S. Fish and Wildlife Service Order No. 10181-4-1843(PM

Final report: Restoration of Fender’s blue butterfly and its prairie ecosystem: Management applications of fire to Baskett Slough NWR

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:: Baskett Slough National Wildlife Refuge, western Oregon. The prescribed fire successfully cut shrub cover

Management of Tall Oatgrass Arrhenatherum elatius in Willamette Valley Prairies: Preliminary Report. A component of the project Restoration and Vegetation Management of Fender's Blue Butterfly Habitats

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:: lupine. Unpublished report to the U.S. Fish and Wildlife Service, Portland Oregon. Wilson, M. V., and D

Mold Management in Snap Bean : Report to the Agricultural Research Foundation for the Oregon Processed Vegetable Commission, December 2012

Creator:: Ocamb, Cynthia M.
Abstract:: Sclerotinia sclerotiorum (causal agent of white mold) can cause serious economic losses in snap bean production as well as many other crops. Spores are produced in apothecia (mushroom-like structures) that develop from over-wintering sclerotia in the soil. Sclerotia are long-lived, durable hyphal survival structures produced by the fungus and they...
Resource Type:: Technical Report
Full Text:: FOUNDATION FOR THE OREGON PROCESSED VEGETABLE COMMISSION, December 2012 Project Title: Mold Management

Promoting regeneration of native species In Willamette Valley upland prairies

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:: US Fish and Wildlife Service Western Oregon NWR Refuge Complex and Oregon Natural Heritage

ScholarsArchive@OSU

Recommendations for Control of Tall Oatgrass, Poison Oak, and Rose in Willamette Valley Upland Prairies

Demographic analysis of Erigeron decumbens var. decumbens, an endangered plant species of the Willamette Valley, Oregon: 1999 Field Studies

Restoration of native upland prairies: Habitat for Fender’s blue butterfly (Icaricia icarioides fenderi)

Final Report: Controlling Tall Oatgrass in Fender’s Blue Butterfly Habitats

Final Report 1994-1997: Effects of Fire, Mowing, and Mowing with Herbicide on Native Prairie of Baskett Butte, Baskett Slough NWR

Final report 1994-1996 : Effects of fire and fire fighting techniques on Fender's blue butterfly and Kincaid's lupine

Final report: Restoration of Fender’s blue butterfly and its prairie ecosystem: Management applications of fire to Baskett Slough NWR

Management of Tall Oatgrass Arrhenatherum elatius in Willamette Valley Prairies: Preliminary Report. A component of the project Restoration and Vegetation Management of Fender's Blue Butterfly Habitats

Mold Management in Snap Bean : Report to the Agricultural Research Foundation for the Oregon Processed Vegetable Commission, December 2012

Promoting regeneration of native species In Willamette Valley upland prairies

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