G. R. Johnson

发表

Root collar examinations as a diagnostic tool.

G. R. Johnson, J. R. Hargrave, C. L. Ash, 2001 .

G. R. Johnson, Joan Rodger, 1982 .

The effect of local-scale physical heterogeneity and nonlinear, rate-limited sorption/desorption on contaminant transport in porous media.

G. R. Johnson, M. Brusseau, Q. Hu, 2003, Journal of contaminant hydrology.

Trunk flare diameter predictions as an infrastructure planning tool to reduce tree and sidewalk conflicts

G. R. Johnson, T. Burk, Eric A. North, 2015 .

Effect of growth ring orientation and placement of earlywood and latewood on moe and mor of very-small clear Douglas-fir beams

G. R. Johnson, B. Gartner, R. Leichti, 2005 .

Mass removal and low-concentration tailing of trichloroethene in freshly-amended, synthetically-aged, and field-contaminated aquifer material.

G. R. Johnson, M. Brusseau, D. Norris, 2009, Chemosphere.

THE ROLE OF TREE IMPROVEMENT PROGRAMS FOR EX SITU GENE CON- SERVATION OF COASTAL DOUGLAS-FIR IN THE PACIFIC NORTHWEST

G. R. Johnson, K. Jayawickrama, S. Lipow, 2003 .

TREE IMPROVEMENT PROGRAMS FOR EX SITU GENE CONSERVATION OF COASTAL DOUGLAS-FIR gene conservation objectives

G. R. Johnson, K. Jayawickrama, J. B. S. Claiff, 2002 .

Local Outcomes of Federal and State Urban & Community Forestry Programs

G. R. Johnson, M. Kilgore, R. Hauer, 2011, Arboriculture & Urban Forestry.

State Urban and Community Forestry Program Funding, Technical Assistance, and Financial Assistance within the 50 United States

G. R. Johnson, R. Hauer, 2008, Arboriculture & Urban Forestry.

Approaches Within the 50 United States to Meeting Federal Requirements for Urban and Community Forestry Assistance Programs

G. R. Johnson, R. Hauer, 2008 .

The relationship between Swiss needle cast symptom severity and level of Phaeocryptopus gaeumannii colonization in coastal Douglas‐fir (Pseudotsuga menziesii var. menziesii)*

G. R. Johnson, J. Stone, F. Temel, 2004 .

Breeding Douglas‐Fir

G. R. Johnson, M. Cherry, G. Howe, 2010 .

Ex situ gene conservation for conifers in the Pacific Northwest.

G. R. Johnson, J. Clair, S. Lipow, 2002 .

Effects of live crown on vertical patterns of wood density and growth in Douglas-fir

G. R. Johnson, B. Gartner, E. North, 2002 .

A template for native plants

G. R. Johnson, R. Cronn, St. Clair, 2004 .

City of Daytona Beach Utilizes Glycerol in a Unique Application for Enhanced Biological Phosphorus Removal

G. R. Johnson, C. Wall, M. Saunders, 2014 .

Financial feasibility of marker-aided selection in Douglas-fir

G. R. Johnson, S. Strauss, N. Wheeler, 2000 .

Genetic variation in basic density and modulus of elasticity of coastal Douglas-fir

G. R. Johnson, B. Gartner, 2006, Tree Genetics & Genomes.

Urban Tree Risk Management:A Community Guide to Program Design and Implementation

G. R. Johnson, Gary R. Johnson, Manfred Mielke, 2003 .

Impact of the foliar pathogen Swiss needle cast on wood quality of Douglas-fir

G. R. Johnson, G. Downes, B. Gartner, 2005 .

An examination of the genetic control of Douglas-fir vascular tissue phytochemicals: Implications for black bear foraging

G. R. Johnson, B. Kimball, D. Nolte, 1999 .

Genetic variation in tolerance of Douglas-fir to Swiss needle cast as assessed by symptom expression

G. R. Johnson, 2002 .

Relationship of structural root depth on the formation of stem encircling roots and stem girdling roots: Implications on tree condition

G. R. Johnson, R. Hauer, 2021 .

A Practitioner's Guide to Stem Girdling Roots of Trees

G. R. Johnson, Gary R. Johnson, Richard J. Hauer, 2000 .

Influence of Bravo fungicide applications on wood density and moisture content of Swiss needle cast affected Douglas-fir trees

G. R. Johnson, A. Kanaskie, D. Maguire, 2003 .

Suitability of a single imager multispectral sensor for tree health analysis

G. R. Johnson, J. Knight, M. Russell, 2021 .

The Effects of Planting Depth on Windthrow, Stability, and Growth for Four Tree Species in Containers

G. R. Johnson, Chad P. Giblin, D. R. Hanson, 2011, Arboriculture & Urban Forestry.

Mechanical Root-Disruption Practices and Their Effect on Circling Roots of Pot-Bound Tilia Cordata Mill. and Salix Alba L. ‘Niobe’

G. R. Johnson, Chad P. Giblin, J. Gillman, 2007, Arboriculture & Urban Forestry.

Early genetic testing of coastal Douglas-fir for Swiss needle cast tolerance

G. R. Johnson, W. Adams, F. Temel, 2005 .

First Report of Swiss Needle Cast Caused by Phaeocryptopus gaeumannii on Douglas-Fir in Turkey.

G. R. Johnson, J. Stone, F. Temel, 2003, Plant disease.

An analysis of agreement between volunteer- and researcher-collected urban tree inventory data

G. R. Johnson, N. Bancks, Eric A North, 2018 .

Seed Shatter Dates of Antelope Bitterbrush in Oregon

G. R. Johnson, P. Berrang, 2007 .

Minimizing De-Icing Salt Injury to Trees

G. R. Johnson, E. Sucoff, 1999 .

Vulnerability of Street Trees in Upper Midwest Cities to Climate Change

G. R. Johnson, L. Brandt, Eric A North, 2021, Frontiers in Ecology and Evolution.

Geospatial methods provide timely and comprehensive urban forest information

G. R. Johnson, Gary R. Johnson, Kathleen T. Ward, 2007 .

The influence of sidewalk replacement on urban street tree growth

G. R. Johnson, Matthew B. Russell, Gary R. Johnson, 2017 .

Is long primary growth associated with stem sinuosity in Douglas-fir?

G. R. Johnson, B. Gartner, 2006 .

Understanding why young urban trees die can improve future success

G. R. Johnson, Daniel J. Wattenhofer, 2021 .