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Robert G. Wagner

D-Index & Metrics

Ecology and Evolution

D-Index
40
Citations
4857
World Ranking
6217
National Ranking
2105

Robert G. Wagner publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Robert G. Wagner sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 118 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Robert G. Wagner D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Robert G. Wagner sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 40 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Research.com Recognitions

  • 1960 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Robert G. Wagner is affiliated with Purdue University West Lafayette in the United States. Their research spans multiple topics within environmental science and engineering, emphasizing forest ecology and management alongside related policy and biomass utilization aspects.

Their recent publications highlight a range of forest science themes, including operational-scale partial harvesting effects on tree growth and mortality, trends in doctoral dissertation topics related to forest resources, and physiological responses of trees in managed sites. Selected papers include:

  • Effect magnitudes of operational-scale partial harvesting on residual tree growth and mortality of ten major tree species in Maine USA, 2021, Forest Ecology and Management
  • Change in Doctoral Dissertation Topics in Forest Resources from US Universities Over Four Decades, 2022, Forest Science
  • Evaluation of physiological responses of balsam fir and red spruce trees growing in two pre-commercial thinned (PCT) and four never-pre-commercial thinned (N-PCT) sites in Maine, USA, 2021, Forest Service Research Data Archive
  • New Approach Needed To Address Declining Forestry Research Capacity And Relevancy in the US: A Call-To-Action, 2025, Journal of Forestry

Research contributions cover the following main topics:

  • Forest ecology and management
  • Forest Management and Policy
  • Forest Biomass Utilization and Management
  • Plant Water Relations and Carbon Dynamics
  • Wood Treatment and Properties

Wagner's fields of study include Environmental Science and Engineering, with a focus on several subfields such as:

  • Global and Planetary Change
  • Nature and Landscape Conservation
  • Mechanics of Materials
  • Building and Construction

Wagner frequently collaborates with coauthors including Arun K. Bose, Aaron R. Weiskittel, Anthony W. D'Amato, Kristen Bellisario, and Nicole Kong. Their work has been published in venues such as Forest Ecology and Management, Forest Science, Forest Service Research Data Archive, and Journal of Forestry.

In recognition of their scientific contributions, Wagner was awarded the title of Fellow of the American Association for the Advancement of Science (AAAS) in 1960.

Best Publications

  • The role of vegetation management for enhancing productivity of the world's forests

    Robert G. Wagner;Keith M. Little;Brian Richardson;Ken Mcnabb

  • Process versus empirical models: which approach for forest ecosystem management?

    Michael D. Korzukhin;Michael T. Ter-Mikaelian;Robert G. Wagner

  • Dynamics of coarse woody debris following gap harvesting in the Acadian forest of central Maine, U.S.A.

    Shawn Fraver;Robert G Wagner;Michael Day

  • A Comparison of Methods for Measuring Effects of Density and Proportion in Plant Competition Experiments

    Mary Lynn Roush;Steven R. Radosevich;Robert G. Wagner;Bruce D. Maxwell

  • Clearcutting and burning of northern spruce-fir forests: implications for small mammal communities

    Thomas P. Sullivan;R. A. Lautenschlager;Robert G. Wagner

  • The role of herbicides for enhancing forest productivity and conserving land for biodiversity in North America.

    Robert G. Wagner;Michael Newton;Elizabeth C. Cole;James H. Miller

  • Critical period of interspecific competition for northern conifers associated with herbaceous vegetation

    Robert G Wagner;Gina H Mohammed;Thomas L Noland

  • Neighborhood predictors of interspecific competition in young Douglas-fir plantations

    Robert G. Wagner;Steven R. Radosevich

  • NEIGHBORHOOD APPROACH FOR QUANTIFYING INTERSPECIFIC COMPETITION IN COASTAL OREGON FORESTS

    Robert G. Wagner;Steven R. Radosevich

  • Competition thresholds for the survival and growth of ponderosa pine seedlings associated with woody and herbaceous vegetation

    Robert G. Wagner;Terry D. Petersen;Darrell W. Ross;Steven R. Radosevich

  • Research directions to advance forest vegetation management in North America

    Robert G. Wagner

  • Competition and critical-period thresholds for vegetation management decisions in young conifer stands.

    Robert G. Wagner

  • Changes in diversity of plant and small mammal communities after herbicide application in sub-boreal spruce forest

    Thomas P. Sullivan;Thomas P. Sullivan;Robert G. Wagner;Douglas G. Pitt;R. A. Lautenschlager

  • Acceptable practices in Ontario's forests: Differences between the public and forestry professionals

    R. G. Wagner;J. Flynn;R. Gregory;C. K. Mertz

  • Changes in landscape composition and stand structure from 19452002 on an industrial forest in New Brunswick, Canada

    David A Etheridge;David A MacLean;Robert G Wagner;Jeremy S Wilson

  • Effects of intensive forest management on stand and landscape characteristics in northern New Brunswick, Canada (1945-2027)

    David A. Etheridge;David A. MacLean;Robert G. Wagner;Jeremy S. Wilson

  • Absorption and translocation of glyphosate in aspen (Populus tremuloides Michx.) as influenced by droplet size, droplet number, and herbicide concentration

    Shu Hua Liu;Robert A. Campbell;John A. Studens;Robert G. Wagner

  • Relative competitiveness of nine early-successional boreal forest species associated with planted jack pine and black spruce seedlings

    F. Wayne Bell;Michael T. Ter-Mikaelian;Robert G. Wagner

  • Long-term spatial and structural dynamics in Acadian mixedwood stands managed under various silvicultural systems

    Mike R. SaundersM.R. Saunders;Mike R. SaundersM.R. Saunders;Robert G. WagnerR.G. Wagner;Robert G. WagnerR.G. Wagner

  • Motor–manual, mechanical, and herbicide release affect early successional vegetation in northwestern Ontario

    F. Wayne Bell;R. A. Lautenschlager;Robert G. Wagner;Doug G. Pitt

  • The role of herbicides for enhancing forest productivity and conserving land for biodiversity in

    Robert G. Wagner;Michael Newton;Elizabeth C. Cole;James H. Miller

  • Critical period of interspecific competition for northern conifers associated with herbaceous

    Robert G. Wagner;Gina H. Mohammed;Thomas L. Noland

Frequent Co-Authors

Aaron R. Weiskittel
Aaron R. Weiskittel University of Maine
Thomas P. Sullivan
Thomas P. Sullivan University of British Columbia
Steven R. Radosevich
Steven R. Radosevich Oregon State University
David A. MacLean
David A. MacLean University of New Brunswick
Clarence J. Swanton
Clarence J. Swanton University of Guelph
Paul Slovic
Paul Slovic University of Oregon
Robin Gregory
Robin Gregory University of British Columbia
Druscilla S. Sullivan
Druscilla S. Sullivan Mammal Research Institute
Shawn Fraver
Shawn Fraver University of Maine
Bruce D. Maxwell
Bruce D. Maxwell Montana State University

External Links

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Related Online Degrees & Career Pathways

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Best Scientists Citing Robert G. Wagner

Aaron R. Weiskittel

Aaron R. Weiskittel

University of Maine

Publications: 35

Thomas P. Sullivan

Thomas P. Sullivan

University of British Columbia

Publications: 28

Anthony W. D'Amato

Anthony W. D'Amato

University of Vermont

Publications: 26

Shawn Fraver

Shawn Fraver

University of Maine

Publications: 24

David A. MacLean

David A. MacLean

University of New Brunswick

Publications: 22

Klaus J. Puettmann

Klaus J. Puettmann

Oregon State University

Publications: 20

Philip G. Comeau

Philip G. Comeau

University of Alberta

Publications: 19

Suzanne W. Simard

Suzanne W. Simard

University of British Columbia

Publications: 19

Druscilla S. Sullivan

Druscilla S. Sullivan

Mammal Research Institute

Publications: 18

Christian Messier

Christian Messier

University of Quebec at Montreal

Publications: 18

Michael S. Watt

Michael S. Watt

Scion

Publications: 15

Christopher W. Woodall

Christopher W. Woodall

US Forest Service

Publications: 14

Jarkko Hantula

Jarkko Hantula

Natural Resources Institute Finland

Publications: 14

Matthew G. Betts

Matthew G. Betts

Oregon State University

Publications: 11

John B. Bradford

John B. Bradford

United States Geological Survey

Publications: 11

Victor J. Lieffers

Victor J. Lieffers

University of Alberta

Publications: 10

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