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Qualitative Tree Risk Assessment
Authors: Smiley, E.T., Matheny, N. and Lilly, S.
 Arborist News 21(1):1-20
 Publication Date: 2012
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Update on the ISA's Best Management Practice for Tree Risk Assessment
Authors: Matheny, N.
 Arboricultural Consultant 2012(1):1-6
 Publication Date: 2012
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Tree Risk Assessment: A Foundation
Authors: Smiley, E.T., Matheny, N. and Lilly, S.
 Arborist News 20(6):12-20
 Publication Date: 2011
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Failture Potential of Dead Trees
Authors: Clark, J. and N. Matheny
 Arboricultural Consultant 2011(2):9-10
 Publication Date: 2011
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The Research Basis to Pruning: A review of the literature.
Authors: Clark, J. and N. Matheny
 Arboriculture & Urban Forestry 2010. 36(3): 110–120
 Publication Date: 2010
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The benefits of trees.
Authors: Clark, J.R. and N. Matheny
 Arborist News 18(3)12-19.
 Publication Date: 2009
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Tree risk assessment: What we know (and what we don't).
Authors: Matheny, N. and J.R. Clark
 Arborist News 18(1):28-33
 Publication Date: 2009
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What's in a name?
Authors: Matheny, N. and J.R. Clark
 Western Arborist 34(3):52-53
 Publication Date: 2008
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A team approach to avoiding and mitigating construction damage to trees.
Authors: Matheny, N. and J.R. Clark
 Tree Care Industry Magazine 18(3):26-31
 Publication Date: 2007
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Managing risk in the urban forest.
Authors: Matheny, N. and J.R. Clark
 Arborist News 16(2):12-17
 Publication Date: 2007
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Managing risk in the urban forest, Part 2: Tree risk assessment.
Authors: Matheny, N. and J.R. Clark
 Arborist News 16(3):12-16
 Publication Date: 2007
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Managing risk in the urban forest, Part 4: Tree-infrastructure conflicts.
Authors: Matheny, N. and J.R. Clark
 Arborist News 16(5):12-17
 Publication Date: 2007
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Urban Forest Plan, County and City of San Francisco.
Authors: Clark, J.R.
 Urban Forest Council and Department of the Environment. 32pp.
 Publication Date: 2006
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International Tree Failure Database: User Manual.
Authors: Smiley, E.T., N. Matheny and J. Clark
 USDA Forest Service. Washington, D.C.
 Publication Date: 2006
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National Research Plan for Urban Forestry:2005-2015.
Authors: Clark, J., W. Kruidenier and K. Wolf
 Report to the National Urban & Community Forestry Advisory Council. USDA Forest Service Research. Washington, D.C. 20pp
 Publication Date: 2006
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What's Happening with the Tree Failure Database?
Authors: Clark, J. and T. Smiley
 Arborist News . September 2005.
 Publication Date: 2005
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Assessment of the USDA Forest Service Urban & Community Forestry Program.
Authors: Clark, J. and W. Kruidenier
 USDA Forest Service. National Urban Community Forestry Council. Washington, D.C.
 Publication Date: 2004
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A guide to estimating irrigation water needs of landscape plantings in Califormia
Authors: Costello, L.R., N. Matheny and J. Clark
 The landscape coefficient method. University of California Ext. and California Dept. of Water Resources.
 Publication Date: 2000
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Assessment of fracture moment and fracture angle in 25 tree species in the U.S. using Fractometer.
Authors: Matheny, N., J. Clark, D. Attewell, K. Hillery, A.W. Graham and G. Posner
 J. Arboriculture, 25(1):18-23.
 Publication Date: 1999
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Managing landscapes using recycled water.
Authors: Matheny, N. and J. Clark
 Arborist News. 8(6):37-43.
 Publication Date: 1999
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Tree preservation is not the same as resource conservation.
Authors: Clark, J.
 California Trees
 Publication Date: 1998
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A model of urban forest sustainability: Application to cities in the United States.
Authors: Clark, J. and N. Matheny
 J. Arboriculture 24(2):112-120.
 Publication Date: 1998
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A model for urban forest sustainability.
Authors: Clark, J., N. Matheny, G. Cross and V. Wake
 J. Arboriculture 23(1):17-31.
 Publication Date: 1997
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Fire-safe landscapes.
Authors: Clark, J.R. and N. Matheny
 Urban Forest Landscapes - Integrating multidisciplinary perspectives. G. Bradley, ed. University of Washington Press. Seattle, WA. pp 164-172.
 Publication Date: 1995
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Tree retention: Rooted in good planning?
Authors: Clark, J. and N. Matheny
 Environment and Development. American Planning Association Chicago, IL. pp 1-4.
 Publication Date: 1994
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Water relations of sweet gum in an urban canyon and park.
Authors: Kjelgren, R. and J.R. Clark
 J. Arboricuture. 19(5) 266-270.
 Publication Date: 1993
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Cambial electrical resistance does not assess vitality of individual sweet gum trees.
Authors: Clark, J., R. Kjelgran, J. Hushagen, and J. Fiore
 J. Arboriculture. 18(1):1-5.
 Publication Date: 1992
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Management concepts for "natural" urban forests.
Authors: Clark, J. and N. Matheny
 Proc. Fifth National Urban Forestry Conference. P. Rodbell, ed. American Forestry Association. Washington, D.C. pp 22-25.
 Publication Date: 1992
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Management of mature trees.
Authors: Clark, J. and N. Matheny
 J. Arboriculture. 17:173-191.
 Publication Date: 1991
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Urban tree problems.
Authors: Clark, J.
 White Paper contributed to Research Summit. Sponsored by the U.S. Forest Service and the International Society of Arboriculture. 6pp.
 Publication Date: 1991
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Landscape water management: estimating landscape water requirements.
Authors: Costello, L., N. Matheny and J. Clark
 University of VCalifornia, Coop. Ext. Lft. 21493
 Publication Date: 1991
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Water as a limiting factor in the development of urban trees.
Authors: Clark, J. and R. Kjelgren
 J. Arboriculture. 16(8):203-208.
 Publication Date: 1990
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Developing a species profile.
Authors: Clark, J., N. Matheny and J. McNeil
 J. Arboriculture. 16: 101-107.
 Publication Date: 1990
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Environmental factors affecting urban tree growth.
Authors: Clark, J. and R. Kjelgren
 Proc. 4th Urban Forestry Conference. P. Rodbell, ed. American Forestry Association. Washington, D.C. pp88-92.
 Publication Date: 1990
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Conceptual and management considerations for the development of urban tree plantings.
Authors: Clark, J. and R. Kjelgren
 J. Arboriculture. 15:229-236.
 Publication Date: 1989
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Preserving trees affected by development.
Authors: N. Matheny
 A technical Guide to Community and Urban Forestry in Washington, Oregon and California. World Forestry Center, pp.34-41.
 Publication Date: 1989
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Growth and development of urban trees.
Authors: Clark, J., R. Kjelgren and D. Wang
 K. Garbesi, H. Akbari and P. Martien, ed. Workshop on Saving Energy and Reducing Atmospheric Pollution by Controlling Summer Heat Islands. Berkeley, California. pp290-305.
 Publication Date: 1989
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