 |  | Understanding Traditional Knowledge for Ecological Restoration: A Qualitative Study with the Eastern Band of Cherokee and Southern Appalachian Community Members *Cooley, N. 2004 |
| | Understorey plant community structure in lower montane and subalpine forests, Grand Canyon National Park, USA * Laughlin, D.C. ,* Bakker, J.D. ,* Fule, P.Z. 2005 |
| | Understory Communities of Warm-dry, Mixed-Conifer Forests in Southwestern Colorado * Korb, J.E. ,* Daniels, M.L. ,* Laughlin, D.C. ,* Fule, P.Z. 2007 |
| | Understory plant community dynamics in southwestern ponderosa pine forest restoration * Korb, J.E. 2001 |
| | Understory Plant Community Responses to Hazardous Fuels Reduction Treatments in Pinyon-Juniper Woodlands of Arizona, USA * Huffman, D.W.,* Stoddard, M.T.,* Springer, J.D.,* Crouse, J.E. ,* Chancellor, W.W. 2013 |
| | Understory Vegetation * Korb, J.E. ,* Springer, J.D. 2003 |
| | Ungulate herbivory on buckbrush in an Arizona ponderosa pine forest * Huffman, D.W. ,Moore, M.M. 2003 |
| | A Unique Old-Growth Ponderosa Pine Forest in Northern Arizona * Abella, S.R. 2008 |
| | United front first requires agreement McKinnon, T. ,James, M.A. 2004 |
| | United front needed on Flagstaff forest thinning projects Staff, AZ Daily Sun 2004 |
| | Use Of Artificial Roosts By Forest-Dwelling Bats In Northern Arizona Chambers, C.L. ,Alm, V. ,Siders, M.S. ,Rabe, M.J. 2002 |
| | The Use of Ecosystem Health Indicators for Evaluating Ecological and Social Outcomes of the Collaborative Approach to Management: The Case Study of the Diablo Trust Munoz-Erickson, T.A. ,Aguilar-Gonzalez, B.J. 2003 |
| | Use of restoration-treated ponderosa pine forest by tassel-eared squirrels Loberger, C.D.,Theimer, T.C. ,Rosenstock, S.S. ,Wightman, C.S. 2011 |
| | Using a diverse seed mix to establish native plants on a Sonoran Desert burn * Abella, S.R.,Gunn, J.L.,* Daniels, M.L. ,* Springer, J.D.,* Nyoka, S.E. 2009 |
| | Using a terrestrial ecosystem survey to estimate the historical density of ponderosa pine trees * Abella, S.R.,* Denton, C.W.,* Brewer, D. ,Robbie, W.A.,Steinke, R.W.,* Covington, W.W. 2011 |
| | Using ecological restoration to constrain biological invasion * Bakker, J.D. ,Wilson, S.D. 2004 |
| | Using Lightning Location in the Wildland Fire Assessment System Latham, D.,Burgan, R.,Chase, C.,Bradshaw, L. 1997 |
| | Using parallel strategies to promote change: forest policy making under George W. Bush Vaughn, J.,* Cortner, H.J. 2004 |
| | Value Orientation and Forest Management: The Forest Health Debate * Abrams, J.B.,Kelly, E.,Shindler, B.,Wilton, J. 2005 |
| | Vegetation environment relationships and ecological species groups of an Arizona Pinus ponderosa landscape, USA * Abella, S.R.,* Covington, W.W. 2006 |
