World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
48
Citations
14737
World Ranking
4120
National Ranking
1436

Frank S. Gilliam 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 Frank S. Gilliam 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: 143 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Frank S. Gilliam 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 Frank S. Gilliam 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: 48 D-Index — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Overview

Frank S. Gilliam is affiliated with the University of West Florida in the United States. Their research primarily spans the fields of Environmental Science and Agricultural and Biological Sciences, with a focus on topics related to soil carbon and nitrogen dynamics, plant responses to elevated CO2, and peatlands and wetlands ecology.

The scientist's work frequently appears in prominent publication venues, including Urban Ecosystems, Forests, Global Change Biology, Frontiers in Ecology and Evolution, and The Science of The Total Environment. This distribution reflects a consistent engagement with ecological and environmental studies.

Among recent papers authored or coauthored by Frank S. Gilliam are: "Nitrogen deposition accelerates soil carbon sequestration in tropical forests" (2021) published in Proceedings of the National Academy of Sciences, "Nitrogen addition stimulates soil aggregation and enhances carbon storage in terrestrial ecosystems of China: A meta-analysis" (2021) in Global Change Biology, "Decrease in soil pH has greater effects than increase in above-ground carbon inputs on soil organic carbon in terrestrial ecosystems of China under nitrogen enrichment" (2021) in Journal of Applied Ecology, "Arbuscular Mycorrhizae Shift Community Composition of N-Cycling Microbes and Suppress Soil N2O Emission" (2022) in Environmental Science & Technology, and "Divergent roles of herbivory in eutrophying forests" (2022) in Nature Communications.

Frequent coauthors of Gilliam include Yuanwen Kuang, X. L. Lu, Xiaofei Lu, Songbo Tang, and Jiangming Mo. This collaboration network points to significant joint contributions in the study of ecosystem processes, soil science, and plant-environment interactions.

The scientist's main fields of study and associated subfields demonstrate a multidisciplinary approach that integrates environmental science with agricultural biology. The subfields include Plant Science, Global and Planetary Change, Soil Science, Nature and Landscape Conservation, and Ecology.

Main research topics addressed by Frank S. Gilliam include:

  • Soil Carbon and Nitrogen Dynamics
  • Plant responses to elevated CO2
  • Peatlands and Wetlands Ecology
  • Fire effects on ecosystems
  • Soil and Water Nutrient Dynamics
  • Mycorrhizal Fungi and Plant Interactions
  • Plant Water Relations and Carbon Dynamics

Best Publications

  • Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis.

    R. Bobbink;K. Hicks;J. Galloway;T. Spranger

  • The Ecological Significance of the Herbaceous Layer in Temperate Forest Ecosystems

    Frank S. Gilliam

  • Microclimate moderates plant responses to macroclimate warming

    Pieter De Frenne;Pieter De Frenne;Francisco Rodríguez-Sánchez;David Anthony Coomes;Lander Baeten

  • Nitrogen deposition contributes to soil acidification in tropical ecosystems.

    Xiankai Lu;Qinggong Mao;Frank S. Gilliam;Yiqi Luo

  • Response of the herbaceous layer of forest ecosystems to excess nitrogen deposition

    Frank S. Gilliam

  • Patterns and Mechanisms of Plant Diversity in Forested Ecosystems: Implications for Forest Management

    Mark R. Roberts;Frank S. Gilliam

  • Effects of nitrogen deposition and empirical nitrogen critical loads for ecoregions of the United States

    Linda H. Pardo;Mike E. Fenn;Christine L. Goodale;Linda. H. Geiser

  • Conditional vulnerability of plant diversity to atmospheric nitrogen deposition across the United States

    Samuel M. Simkin;Edith B. Allen;William D. Bowman;Christopher M. Clark

  • The Herbaceous Layer in Forests of Eastern North America

    Frank S. Gilliam;Mark R. Roberts

  • Herbaceous-Layer and Overstory Species in Clear-cut and Mature Central Appalachian Hardwood Forests

    Frank S. Gilliam;Nicole L. Turrill;Mary Beth Adams

  • Effects of experimental nitrogen additions on plant diversity in an old-growth tropical forest

    Xiankai Lu;Jiangming Mo;Frank S. Gilliam;Guoyi Zhou

  • Effects of long-term fire exclusion on tree species composition and stand structure in an old-growth Pinus palustris (Longleaf pine) forest

    Frank S. Gilliam;William J. Platt

  • Symptoms of nitrogen saturation in two central Appalachian hardwood forest ecosystems

    William T. Peterjohn;Mary Beth Adams;Frank S. Gilliam

  • Nitrogen deposition accelerates soil carbon sequestration in tropical forests.

    Xiankai Lu;Peter M Vitousek;Qinggong Mao;Frank S Gilliam

  • Plant acclimation to long-term high nitrogen deposition in an N-rich tropical forest.

    Xiankai Lu;Peter M Vitousek;Qinggong Mao;Frank S Gilliam

  • Interactive effects of nitrogen and phosphorus on soil microbial communities in a tropical forest.

    Lei Liu;Tao Zhang;Frank S. Gilliam;Per Gundersen

  • Decreased atmospheric nitrogen deposition in eastern North America: Predicted responses of forest ecosystems.

    Frank S. Gilliam;Douglas A. Burns;Charles T. Driscoll;Serita D. Frey

  • Nitrogen addition stimulates soil aggregation and enhances carbon storage in terrestrial ecosystems of China: A meta-analysis

    Xiaofei Lu;Xiaofei Lu;Enqing Hou;Jieyun Guo;Frank S Gilliam

  • Forest ecosystems of temperate climatic regions: from ancient use to climate change.

    Frank S. Gilliam

  • Ecosystem nutrient responses to chronic nittogen inputs at Fernow Experimental Forest, West Virginia

    Frank S. Gilliam;Mary Beth Adams;Bradley M. Yurish

  • Effects of harvesting on herbaceous layer diversity of a central Appalachian hardwood forest in West Virginia, USA

    Frank S Gilliam

  • Nitrogen deposition contributes to soil acidification in tropical ecosystems

    Xiankai Lu;Jianmging Mo;Frank Gilliam

Frequent Co-Authors

M. R. Adams
M. R. Adams University of Illinois at Chicago
Jiangming Mo
Jiangming Mo Chinese Academy of Sciences
Edith B. Allen
Edith B. Allen University of California, Riverside
William D. Bowman
William D. Bowman University of Colorado Boulder
Radim Hédl
Radim Hédl Czech Academy of Sciences
Carly J. Stevens
Carly J. Stevens Lancaster University
Christine L. Goodale
Christine L. Goodale Cornell University
Pieter De Frenne
Pieter De Frenne Ghent University
Mark E. Fenn
Mark E. Fenn US Forest Service
Roland Bobbink
Roland Bobbink Radboud University

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