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John R. Butnor
John R. Butnor
Plant Physiologist, USDA Forest Service
Verified email at usda.gov
Title
Cited by
Cited by
Year
Use of ground-penetrating radar to study tree roots in the southeastern United States
JR Butnor, JA Doolittle, L Kress, S Cohen, KH Johnsen
Tree physiology 21 (17), 1269-1278, 2001
2962001
Utility of ground‐penetrating radar as a root biomass survey tool in forest systems
JR Butnor, JA Doolittle, KH Johnsen, L Samuelson, T Stokes, L Kress
Soil Science Society of America Journal 67 (5), 1607-1615, 2003
2692003
Reduction of forest floor respiration by fertilization on both carbon dioxide‐enriched and reference 17‐year‐old loblolly pine stands
JR Butnor, KH Johnsen, RAM Oren, GG Katul
Global Change Biology 9 (6), 849-861, 2003
1562003
Meeting global policy commitments: carbon sequestration and southern pine forests
KH Johnsen, D Wear, R Oren, RO Teskey, F Sanchez, R Will, J Butnor, ...
Journal of Forestry 99 (4), 14-21, 2001
1522001
Aboveground sink strength in forests controls the allocation of carbon below ground and its [CO2]-induced enhancement
S Palmroth, R Oren, HR McCarthy, KH Johnsen, AC Finzi, JR Butnor, ...
Proceedings of the National Academy of Sciences 103 (51), 19362-19367, 2006
1462006
EFFECT OF ELEVATED CO2 ON COARSE‐ROOT BIOMASS IN FLORIDA SCRUB DETECTED BY GROUND‐PENETRATING RADAR
DB Stover, FP Day, JR Butnor, BG Drake
Ecology 88 (5), 1328-1334, 2007
1372007
Soil carbon sequestration and changes in fungal and bacterial biomass following incorporation of forest residues
MD Busse, FG Sanchez, AW Ratcliff, JR Butnor, EA Carter, RF Powers
Soil Biology and Biochemistry 41 (2), 220-227, 2009
1022009
Modelling the limits on the response of net carbon exchange to fertilization in a south‐eastern pine forest
CT Lai, G Katul, J Butnor, M Siqueira, D Ellsworth, C Maier, K Johnsen, ...
Plant, Cell & Environment 25 (9), 1095-1120, 2002
1022002
Ground penetrating radar (GPR) detects fine roots of agricultural crops in the field
X Liu, X Dong, Q Xue, DI Leskovar, J Jifon, JR Butnor, T Marek
Plant and Soil 423, 517-531, 2018
932018
Growth and physiology of loblolly pine in response to long-term resource management: defining growth potential in the southern United States
LJ Samuelson, J Butnor, C Maier, TA Stokes, K Johnsen, M Kane
Canadian Journal of Forest Research 38 (4), 721-732, 2008
932008
Physiological girdling of pine trees via phloem chilling: proof of concept
K Johnsen, C Maier, F Sanchez, P Anderson, J Butnor, R Waring, ...
Plant, cell & environment 30 (1), 128-134, 2007
912007
Hurricane Katrina winds damaged longleaf pine less than loblolly pine
KH Johnsen, JR Butnor, JS Kush, RC Schmidtling, CD Nelson
Southern Journal of Applied Forestry 33 (4), 178-181, 2009
762009
Detecting defects in conifers with ground penetrating radar: applications and challenges
JR Butnor, ML Pruyn, DC Shaw, ME Harmon, AN Mucciardi, MG Ryan
Forest pathology 39 (5), 309-322, 2009
762009
Branch growth and gas exchange in 13-year-old loblolly pine (Pinus taeda) trees in response to elevated carbon dioxide concentration and fertilization
CA Maier, KH Johnsen, J Butnor, LW Kress, PH Anderson
Tree Physiology 22 (15-16), 1093-1106, 2002
722002
Ecosystem carbon stocks in Pinus palustris forests
LJ Samuelson, TA Stokes, JR Butnor, KH Johnsen, ...
Canadian Journal of Forest Research 44 (5), 476-486, 2014
692014
Soils, peatlands, and biomonitoring
JA Doolittle, JR Butnor
Ground penetrating radar: theory and applications 524, 2009
662009
Modelling night‐time ecosystem respiration by a constrained source optimization method
CT Lai, G Katul, J Butnor, D Ellsworth, R Oren
Global Change Biology 8 (2), 124-141, 2002
652002
Soil properties differently influence estimates of soil CO2 efflux from three chamber-based measurement systems
JR Butnor, KH Johnsen, CA Maier
Biogeochemistry 73, 283-301, 2005
562005
Ecosystem carbon density and allocation across a chronosequence of longleaf pine forests
LJ Samuelson, TA Stokes, JR Butnor, KH Johnsen, ...
Ecological Applications 27 (1), 244-259, 2017
542017
The effects of 11 yr of CO2 enrichment on roots in a Florida scrub‐oak ecosystem
FP Day, RE Schroeder, DB Stover, ALP Brown, JR Butnor, J Dilustro, ...
New Phytologist 200 (3), 778-787, 2013
522013
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