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R. Walker · SciRah

Researcher profile · Semantic Scholar

R. Walker

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R. Walker — researcher profile on SciRah

h-index: 24
Works: 136
Citations: 1,676

Most-cited papers

The effects of wildfire, salvage logging, and post-fire N-fixation on the nutrient budgets of a Sierran forest
David W. Johnson, J. Murphy, R. Susfalk, T. Caldwell +3 more
2005101 citations
Semantic Scholar
Soil pCO?, soil respiration, and root activity in CCVfumigated and nitrogen-fertilized ponderosa pine
Dale W. Johnson, D. Geisinger, R. Walker, John Newman +3 more
200489 citations
Semantic Scholar
Mercury distribution in two Sierran forest and one desert sagebrush steppe ecosystems and the effects of fire.
M. Engle, Mae Sexauer Gustin, Dale W. Johnson, J. Murphy +4 more
2006Science of the Total Environment86 citations
Semantic Scholar
PRESCRIBED FIRE EFFECTS ON FOREST FLOOR AND SOIL NUTRIENTS IN A SIERRA NEVADA FOREST
J. Murphy, David W. Johnson, W. W. Miller, R. Walker +1 more
200683 citations
Semantic Scholar
Effects of elevated CO 2 and N fertilization on soil respiration from ponderosa pine ( Pinus ponderosa ) in open-top chambers
J. Vose, K. Elliott, Dale W. Johnson, R. Walker +2 more
200274 citations
Semantic Scholar
Inconspicuous Nutrient Laden Surface Runoff from Mature Forest Sierran Watersheds
W. W. Miller, Dale W. Johnson, C. Denton, P. Verburg +2 more
200557 citations
Semantic Scholar
Lessons from Lysimeters: Soil N Release from Disturbance Compromises Controlled Environment Study
Dale W. Johnson, R. Walker, J. Ball
199554 citations
Semantic Scholar
Spatial analysis of a large magnitude erosion event following a Sierran wildfire.
E. M. Carroll, W. Miller, Dale W. Johnson, L. Saito +2 more
2007Journal of Environmental Quality36 citations
Semantic Scholar
Effects of CO2 and N on growth and N dynamics in ponderosa pine: results from the first two growing seasons.
Dale W. Johnson, P. Henderson, J. Ball, R. Walker
199636 citations
Semantic Scholar
Effects of Carbon Dioxide and Nitrogen on Growth and Nitrogen Uptake in Ponderosa and Loblolly Pine
Dale W. Johnson, Richard B. Thomas, K. Griffin, D. Tissue +3 more
199835 citations
Semantic Scholar
Enriched atmospheric CO2 and soil P effects on growth and ectomycorrhizal colonization of juvenile ponderosa pine
R. Walker, D. Geisinger, Dale W. Johnson, J. Ball
199534 citations
Semantic Scholar
Interactive effects of atmospheric CO{sub 2} enrichment and soil N on growth and ectomycorrhizal colonization of ponderosa pine seedlings
R. Walker, D. Geisinger, Dale W. Johnson, J. Ball
199532 citations
Semantic Scholar
Thinning and Prescribed Fire Effects on Forest Floor Fuels in the East Side Sierra Nevada Pine Type
R. Walker, Robert M. Fecko, W. B. Frederick, J. Murphy +2 more
200630 citations
Semantic Scholar
Establishment of Sweet Birch on Surface Mine Spoil as Influenced by Mycorrhizal Inoculation and Fertility
R. Walker, S. B. McLaughlin, D. C. West
200429 citations
Semantic Scholar
Comparison of Organic and Chemical Soil Amendments Used in the Reforestation of a Harsh Sierra Nevada Site
R. Walker
200329 citations
Semantic Scholar
Growth and nutritional responses of containerized sugar and Jeffrey pine seedlings to controlled release fertilization and induced mycorrhization
R. Walker
200129 citations
Semantic Scholar
The effect of rock content on nutrients in a Sierra Nevada forest soil
Dale W. Johnson, R. Walker, D. W. Glass, W. W. Miller +2 more
201228 citations
Semantic Scholar
Lateral diffusion and atmospheric CO2 mixing compromise estimates of rhizosphere respiration in a forest soil
R. B. Susfalk, W. Cheng, Dale W. Johnson, R. Walker +2 more
200228 citations
Semantic Scholar
Revisiting Soil Carbon and Nitrogen Sampling: Quantitative Pits Versus Rotary Cores
B. Rau, A. Melvin, Dale W. Johnson, C. Goodale +6 more
201127 citations Open access
Semantic Scholar
The combined effects of thinning and prescribed fire on carbon and nutrient budgets in a Jeffrey pine forest
Dale W. Johnson, James D. Murphy, R. Walker, W. W. Miller +2 more
2008Annals of Forest Science27 citations
Semantic Scholar
Nutrients flow from runoff at burned forest site in Lake Tahoe Basin
W. W. Miller, Dale W. Johnson, T. M. Loupe, J. S. Sedinger +4 more
200626 citations Open access
Semantic Scholar
Reforestation of an Eastern Sierra Nevada Surface Mine with Containerized Jeffrey Pine: Seedling Growth and Nutritional Responses to Controlled Release Fertilization and Ectomycorrhizal Inoculation
R. Walker
199925 citations
Semantic Scholar
Effects of elevated CO2 and nitrogen on nutrient uptake in ponderosa pine seedlings
Dale W. Johnson, T. Ball, R. Walker
2004Plant and Soil24 citations
Semantic Scholar
Effects of Thinning, Residue Mastication, and Prescribed Fire on Soil and Nutrient Budgets in a Sierra Nevada Mixed-Conifer Forest
Dale W. Johnson, R. Walker, D. W. Glass, C. M. Stein +3 more
201420 citations
Semantic Scholar
FOREST HEALTH IMPACTS OF BARK BEETLES, DWARF MISTLETOE, AND BLISTER RUST IN A LAKE TAHOE BASIN MIXED CONIFER STAND
R. Walker, Robert M. Fecko, W. B. Frederick, David W. Johnson +1 more
200720 citations
Semantic Scholar
Artificial Regeneration of Jeffrey Pine in the Sierra Nevada
R. Walker
199920 citations
Semantic Scholar
The Long-Term Effects of Wildfire and Post-Fire Vegetation on Sierra Nevada Forest Soils
Dale W. Johnson, R. Walker, M. McNulty, B. Rau +1 more
201218 citations Open access
Semantic Scholar
Fuel load and understory community changes associated with varying elevation and pinyon-juniper dominance
A. Reiner, R. Walker, Thesis Advisor
200417 citations
Semantic Scholar
Responses of Jeffrey Pine on a Surface Mine Site to Fertilizer and Lime
R. Walker
200217 citations
Semantic Scholar
Estimation Procedures for Understory Biomass and Fuel Loads in Sagerrush Steppe Invaded by Woodlands
A. Reiner, R. Tausch, R. Walker
201016 citations
Semantic Scholar
Effects of mechanical harvest plus chipping and prescribed fire on Sierran runoff water quality.
T. M. Loupe, W. W. Miller, D. Johnson, J. S. Sedinger +4 more
2009Journal of Environmental Quality16 citations
Semantic Scholar
Ponderosa Pine Responses to Elevated CO2and Nitrogen Fertilization
David W. Johnson, A. Hoylman, J. Ball, R. Walker
200616 citations
Semantic Scholar
Containerized Jeffrey pine growth and nutrient uptake in response to mycorrhizal inoculation and controlled release fertilization.
R. Walker, L. M. Kane
199716 citations Open access
Semantic Scholar
Prescribed Fire and Timber Harvesting Effects on Soil Carbon and Nitrogen in a Pine Forest
L. M. Roaldson, Dale W. Johnson, W. W. Miller, J. Murphy +4 more
201414 citations
Semantic Scholar
A Synthesis of Sierran Forest Biomass Management Studies and Potential Effects on Water Quality
W. W. Miller, Dale W. Johnson, Sarah Karam, R. Walker +1 more
201014 citations Open access
Semantic Scholar
Growth and ectomycorrhizal colonization of ponderosa pine seedlings supplied different levels of atmospheric CO2 and soil N and P
R. Walker, Dale W. Johnson, D. Geisinger, J. Ball
199814 citations
Semantic Scholar
Effects of Acidic Precipitation and Ectomycorrhizal Inoculation on Growth, Mineral Nutrition, and Xylem Water Potential of Juvenile Loblolly Pine and White Oak
R. Walker, S. Mclaughlin
199714 citations
Semantic Scholar
Growth and Nutrition of Containerized Singleleaf Pinyon Seedlings in Response to Controlled Release Fertilization
R. Walker, C. D. Huntt
199912 citations
Semantic Scholar
Atmospheric CO2 enrichment and soil N fertility effects on juvenile ponderosa pine: Growth, ectomycorrhizal development, and xylem water potential
R. Walker, D. Geisinger, Dale W. Johnson, J. Ball
199812 citations
Semantic Scholar
Fertilization and Liming Effects on the Growth and Nutrition of Bareroot Jeffrey Pine Outplanted on an Eastern Sierra Nevada Surface Mine
R. Walker
200211 citations
Semantic Scholar
Fuel Bed Alterations by Thinning, Chipping, and Prescription Fire in a Sierra Nevada Mixed Conifer Stand
R. Walker, Robert M. Fecko, W. B. Frederick, Dale W. Johnson +1 more
201110 citations
Semantic Scholar
Influences of Mechanized Thinning and Prescribed Fire on Understory Vegetation in an Uneven-Aged Jeffrey Pine Stand
Wade G. Salverson, R. Walker, Robert M. Fecko, W. B. Frederick +2 more
201110 citations
Semantic Scholar
Influences of Thinning and Prescribed Fire on Water Relations of Jeffrey Pine I. Xylem and Soil Water Potentials
R. Walker, Robert M. Fecko, W. B. Frederick, David W. Johnson +3 more
200710 citations
Semantic Scholar
Fire Injury Severity in an Eastern Sierra Nevada Mixed Conifer Stand: Variability and Influencing Factors
R. Walker, Robert M. Fecko, W. B. Frederick, W. W. Miller +1 more
20129 citations
Semantic Scholar
Influences of Mechanized Thinning and Prescribed Fire on Natural Regeneration in an Uneven-Aged Jeffrey Pine Stand
Wade G. Salverson, R. Walker, Robert M. Fecko, W. B. Frederick +2 more
20119 citations
Semantic Scholar
Influences of Mechanized Thinning and Prescribed Underburning on Radial Growth of Jeffrey Pine
Robert M. Fecko, R. Walker, W. B. Frederick, Dale W. Johnson +1 more
20089 citations
Semantic Scholar
Production of Containerized Jeffrey Pine Planting Stock for Harsh Sites: Growth and Nutrition as Influenced by Controlled-Release Fertilization
R. Walker, C. D. Huntt
20009 citations
Semantic Scholar
Seedling Recruitment and Sapling Retention Following Thinning, Chipping, and Prescribed Fire in Mixed Sierra Nevada Conifer
R. Walker, Robert M. Fecko, W. B. Frederick, Dale W. Johnson +1 more
20128 citations
Semantic Scholar
Growth and xylem water potential of white oak and loblolly pine seedlings as affected by simulated acidic rain
R. Walker, S. Mclaughlin
19938 citations
Semantic Scholar
Stem dimensional fluctuation in Jeffrey pine from variation in water storage as influenced by thinning and prescribed fire
Robert M. Fecko, R. Walker, W. B. Frederick, W. W. Miller +1 more
2008Annals of Forest Science7 citations
Semantic Scholar

Frequent co-authors

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Dale W. Johnson×30
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Dale W. Johnson — researcher profile on SciRah
W. W. Miller×22
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W. W. Miller — researcher profile on SciRah
Robert M. Fecko×10
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Robert M. Fecko — researcher profile on SciRah
W. B. Frederick×10
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J. Ball — researcher profile on SciRah

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J. Murphy — researcher profile on SciRah

D. Geisinger×5

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D. Geisinger — researcher profile on SciRah

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D. W. Glass — researcher profile on SciRah

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R. Blank — researcher profile on SciRah

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C. M. Stein — researcher profile on SciRah

E. M. Carroll×3

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