Index Catalog // ScholarsArchive@OSU

Facilitative and competive effects of a N-fixing shrub on white fir saplings

Creator:: Oakley, Brian B., North, Malcolm P., and Franklin, Jerry F.
Abstract:: In Sierra Nevada forests, shrubs are considered strong soil moisture competitors with regenerating trees, reducing seedling establishment, and slowing growth. Recent studies, however, suggest that in some circumstances shrubs can facilitate tree establishment and growth by modifying harsh microclimate conditions; increasing acquisition of water, carbon, and/or nutrients via shared mycorrhizal...
Resource Type:: Article
Full Text:: . Franklin b a College of Forest Resources, Box 352100, University of Washington, Seattle, WA 98195, United

Facilitative and competitive effecs of a N-fixing shrub on white fir saplings

Creator:: Oakley, Brian B., North, Malcolm P., and Franklin, Jerry F.
Abstract:: In Sierra Nevada forests, shrubs are considered strong soil moisture competitors with regenerating trees, reducing seedling establishment, and slowing growth. Recent studies, however, suggest that in some circumstances shrubs can facilitate tree establishment and growth by modifying harsh microclimate conditions; increasing acquisition of water, carbon, and/or nutrients via shared mycorrhizal...
Resource Type:: Article
Full Text:: . Franklin b a College of Forest Resources, Box 352100, University of Washington, Seattle, WA 98195, United

Initial response of a mixed-conifer understory plant community to burning and thinning restoration treatments

Creator:: Wayman, Rebecca B. and North, Malcolm
Abstract:: Mechanical thinning and prescribed fire are widely used to restore western forests after a century of fire suppression, yet we know little about how these treatments affect understory communities where plant diversity is highest. We followed understory plants and environmental factors in old-growth, Sierran mixed conifer for two pre-treatment and...
Resource Type:: Article
Full Text:: community to burning and thinning restoration treatments Rebecca Bewley Wayman a, Malcolm North b,* a

Tamm Review: Management of mixed-severity fire regime forests in Oregon, Washington, and Northern California

Creator:: Hessburg, Paul F., Spies, Thomas A., Perry, David A., Skinner, Carl N., Taylor, Alan H., Brown, Peter M., Stephens, Scott L., Larson, Andrew J., Churchill, Derek J., Povak, Nicholas A., Singleton, Peter H., McComb, Brenda, Zielinski, William J., Collins, Brandon M., Salter, R. Brion, Keane, John J., Franklin, Jerry F., and Riegel, Greg
Abstract:: Increasingly, objectives for forests with moderate- or mixed-severity fire regimes are to restore successionally diverse landscapes that are resistant and resilient to current and future stressors. Maintaining native species and characteristic processes requires this successional diversity, but methods to achieve it are poorly explained in the literature. In the Inland...
Resource Type:: Article
Full Text:: @oregonstate.edu (B. McComb), bzielinski@fs.fed.us (W.J. Zielinski), bmcollins@ (B.M. Collins), bsalter@fs.fed.us

A comparison of selected parametric and imputation methods for estimating snag density and snag quality attributes

Creator:: Eskelson, B. N. I., Temesgen, Hailemariam, and Hagar, J. C.
Abstract:: Snags (standing dead trees) are an essential structural component of forests. Because wildlife use of snags depends on size and decay stage, snag density estimation without any information about snag quality attributes is of little value for wildlife management decision makers. Little work has been done to develop models that...
Resource Type:: Article
Full Text:: estimating snag density and snag quality attributes B.N.I. Eskelson a,⇑, H. Temesgen a,1, J.C. Hagar b,2

A comparison of selected parametric and imputation methods for estimating snag density and snag quality attributes

Creator:: Eskelson, B. N. I., Temesgen, H., and Hagar, J. C.
Abstract:: Snags (standing dead trees) are an essential structural component of forests. Because wildlife use of snags depends on size and decay stage, snag density estimation without any information about snag quality attributes is of little value for wildlife management decision makers. Little work has been done to develop models that...
Resource Type:: Article
Full Text:: estimating snag density and snag quality attributes B.N.I. Eskelson a,⇑, H. Temesgen a,1, J.C. Hagar b,2

A comparison of selected parametric and imputation methods for estimating snag density and snag quality attributes

Creator:: Eskelson, B. N. I., Temesgen, H., and Hagar, J. C.
Abstract:: Snags (standing dead trees) are an essential structural component of forests. Because wildlife use of snags depends on size and decay stage, snag density estimation without any information about snag quality attributes is of little value for wildlife management decision makers. Little work has been done to develop models that...
Resource Type:: Article
Full Text:: estimating snag density and snag quality attributes B.N.I. Eskelson a,⇑, H. Temesgen a,1, J.C. Hagar b,2

Mapping change of older forest with nearest-neighbor imputation and Landsat time-series

Creator:: Ohmann, Janet L., Gregory, Matthew J., Roberts, Heather M., Cohen, Warren B., Kennedy, Robert E., and Yang, Zhiqiang
Abstract:: The Northwest Forest Plan (NWFP), which aims to conserve late-successional and old-growth forests (older forests) and associated species, established new policies on federal lands in the Pacific Northwest USA. As part of monitoring for the NWFP, we tested nearest-neighbor imputation for mapping change in older forest, defined by threshold values...
Resource Type:: Article
Full Text:: and Landsat time-series Janet L. Ohmann a,⇑, Matthew J. Gregory b, Heather M. Roberts b, Warren B

Decadal Trends in Net Ecosystem Production and Net Ecosystem Carbon Balance for a Regional Socioecological System

Creator:: Turner, David P., Ritts, William D., Yang, Zhiqiang, Kennedy, Robert E., Cohen, Warren B., Duane, Maureen V., Thornton, Peter E., and Law, Beverly E.
Abstract:: Carbon sequestration is increasingly recognized as an ecosystem service, and forest management has a large potential to alter regional carbon fluxes − notably by way of harvest removals and related impacts on net ecosystem production (NEP). In the Pacific Northwest region of the U.S., the implementation of the Northwest Forest...
Resource Type:: Article
Full Text:: Society, Oregon State University Cohen, Warren B. U.S.D.A. Forest Service, Pacific Northwest Station

Forest disturbance across the conterminous United States from 1985-2012: The emerging dominance of forest decline

Creator:: Cohen, Warren B., Yang, Zhiqiang, Stehman, Stephen V., Schroeder, Todd A., Bell, David M., Masek, Jeffrey G., Huang, Chengquan, and Meigs, Garrett W.
Abstract:: Evidence of shifting dominance among major forest disturbance agent classes regionally to globally has been emerging in the literature. For example, climate-related stress and secondary stressors on forests (e.g., insect and disease, fire) have dramatically increased since the turn of the century globally, while harvest rates in the western US...
Resource Type:: Article
Full Text:: conterminous United States from 1985-2012: The emerging dominance of forest decline Cohen, W. B., Yang, Z

ScholarsArchive@OSU

Facilitative and competive effects of a N-fixing shrub on white fir saplings

Facilitative and competitive effecs of a N-fixing shrub on white fir saplings

Initial response of a mixed-conifer understory plant community to burning and thinning restoration treatments

Tamm Review: Management of mixed-severity fire regime forests in Oregon, Washington, and Northern California

A comparison of selected parametric and imputation methods for estimating snag density and snag quality attributes

A comparison of selected parametric and imputation methods for estimating snag density and snag quality attributes

A comparison of selected parametric and imputation methods for estimating snag density and snag quality attributes

Mapping change of older forest with nearest-neighbor imputation and Landsat time-series

Decadal Trends in Net Ecosystem Production and Net Ecosystem Carbon Balance for a Regional Socioecological System

Forest disturbance across the conterminous United States from 1985-2012: The emerging dominance of forest decline

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