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Ecology and Evolution
India
2026

D-Index & Metrics

Ecology and Evolution

D-Index
71
Citations
21323
World Ranking
1290
National Ranking
2

Raman Sukumar 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 Raman Sukumar 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: 230 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Raman Sukumar 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 Raman Sukumar 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: 71 D-Index — 85th percentile

85% 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

  • 2026 - Research.com Ecology and Evolution in India Leader Award
  • 2025 - Research.com Ecology and Evolution in India Leader Award
  • 2023 - Research.com Ecology and Evolution in India Leader Award
  • 2022 - Research.com Ecology and Evolution in India Leader Award
  • 2013 - Fellow, The World Academy of Sciences

Overview

Raman Sukumar is a researcher affiliated with the Indian Institute of Science in India. Their work primarily focuses on environmental science, with significant contributions to the understanding of global and planetary change, nature and landscape conservation, genetics, atmospheric science, and ecology.

The main topics of Raman Sukumar's research cover several areas within environmental science and biology, including:

  • Plant Water Relations and Carbon Dynamics
  • Tree-ring climate responses
  • Ecology and Vegetation Dynamics Studies
  • Plant and animal studies
  • Animal Ecology and Behavior Studies
  • Genetic and phenotypic traits in livestock
  • Genetic Mapping and Diversity in Plants and Animals

Their publication record includes papers published in a variety of recognized venues, such as:

  • Nature Communications
  • PLoS Computational Biology
  • Journal of Ecology
  • Advances in Space Research
  • Current Biology

Notable recent publications by Raman Sukumar include:

  • "Partial asynchrony of coniferous forest carbon sources and sinks at the intra-annual time scale" (2024, Nature Communications)
  • "Interactions between all pairs of neighboring trees in 16 forests worldwide reveal details of unique ecological processes in each forest, and provide windows into their evolutionary histories" (2021, PLoS Computational Biology)
  • "Local- and landscape-scale drivers of terrestrial herbaceous plant diversity along a tropical rainfall gradient in Western Ghats, India" (2023, Journal of Ecology)
  • "Mapping of understorey invasive plant species clusters of Lantana camara and Chromolaena odorata using airborne hyperspectral remote sensing" (2022, Advances in Space Research)
  • "The tail-tale of stress: an exploratory analysis of cortisol levels in the tail-hair of captive Asian elephants" (2021, PeerJ)

Frequent collaborators in their research include:

  • H. S. Suresh
  • Rayees A. Malik
  • H. S. Dattaraja
  • Tarsh Thekaekara
  • Maurizio Mencuccini

Raman Sukumar was awarded the title of Fellow by The World Academy of Sciences in 2013, recognizing their contributions to scientific research.

Best Publications

  • Spatial Patterns in the Distribution of Tropical Tree Species

    Richard S. Condit;Peter S. Ashton;Patrick J. Baker;Sarayudh Bunyavejchewin

  • Averting biodiversity collapse in tropical forest protected areas

    William F. Laurance;William F. Laurance;D. Carolina Useche;Julio Rendeiro;Margareta Kalka

  • The Asian Elephant: Ecology and Management

    Raman Sukumar

  • The living elephants : evolutionary ecology, behavior, and conservation

    Raman Sukumar

  • SPECIES-AREA AND SPECIES-INDIVIDUAL RELATIONSHIPS FOR TROPICAL TREES : A COMPARISON OF THREE 50-HA PLOTS

    Richard Condit;Stephen P. Hubbell;James V. Lafrankie;R. Sukumar

  • CTFS-ForestGEO: A worldwide network monitoring forests in an era of global change

    Kristina J. Anderson-Teixeira;Kristina J. Anderson-Teixeira;Stuart J. Davies;Stuart J. Davies;Amy C. Bennett;Erika B. Gonzalez-Akre

  • Predicting Population Trends from Size Distributions: A Direct Test in a Tropical Tree Community

    Richard Condit;R Sukumar;Stephen P Hubbell;Robin B Foster

  • Global importance of large‐diameter trees

    James A. Lutz;Tucker J. Furniss;Daniel J. Johnson;Stuart J. Davies

  • Ecology of the Asian elephant in southern India. II. Feeding habits and crop raiding patterns

    R. Sukumar

  • An estimate of the number of tropical tree species

    J. W. Ferry Slik;Víctor Arroyo-Rodríguez;Shin-Ichiro Aiba;Patricia Alvarez-Loayza

  • Testing metabolic ecology theory for allometric scaling of tree size, growth and mortality in tropical forests

    Helene C Muller-Landau;Richard S Condit;Jerome Chave;Sean C Thomas

  • A brief review of the status, distribution and biology of wild Asian elephants Elephas maximus

    R. Sukumar

  • Scale-dependent relationships between tree species richness and ecosystem function in forests

    Ryan A. Chisholm;Helene C. Muller-Landau;Kassim Abdul Rahman;Daniel P. Bebber

  • A δ 13 C record of late Quaternary climate change from tropical peats in southern India

    R. Sukumar;R. Ramesh;R. K. Pant;G. Rajagopalan

  • The importance of demographic niches to tree diversity.

    Richard Condit;Richard Condit;Peter Ashton;Sarayudh Bunyavejchewin;H. S. Dattaraja

  • Assessing Evidence for a Pervasive Alteration in Tropical Tree Communities

    Jérôme Chave;Richard Condit;Helene C Muller-Landau;Sean C Thomas

  • The management of large mammals in relation to male strategies and conflict with people

    R. Sukumar

  • Predicting species diversity in tropical forests.

    Joshua B. Plotkin;Matthew D. Potts;Douglas W. Yu;Sarayudh Bunyavejchewin

  • Long term monitering of vegetation in a tropical deciduous forest in Mudumalai, Southern India

    R. Sukumar;H. S. Dattaraja;H. S. Suresh;J. Radhakrishnan

  • Nonrandom Processes Maintain Diversity in Tropical Forests

    Christopher Wills;Kyle E. Harms;Richard Condit;David King

  • The Asian Elephant: Ecology and Management

    Phyllis C. Lee;R. Sukumar

Frequent Co-Authors

Stephen P. Hubbell
Stephen P. Hubbell University of California, Los Angeles
Stuart J. Davies
Stuart J. Davies Smithsonian Tropical Research Institute
Richard Condit
Richard Condit Independent Scientist / Consultant, US
Sarayudh Bunyavejchewin
Sarayudh Bunyavejchewin Royal Forest Department
Renato Valencia
Renato Valencia Pontificia Universidad Católica del Ecuador
Sylvester Tan
Sylvester Tan Smithsonian Institution
David Kenfack
David Kenfack Smithsonian Tropical Research Institute
George B. Chuyong
George B. Chuyong University of Buea
Robin B. Foster
Robin B. Foster Field Museum of Natural History
Jill Thompson
Jill Thompson University of Puerto Rico at Río Piedras

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