World's Best Scientists 2026 revealed!
Kalle Ruokolainen

Kalle Ruokolainen

D-Index & Metrics

Ecology and Evolution

D-Index
43
Citations
8002
World Ranking
5276
National Ranking
77

Kalle Ruokolainen 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 Kalle Ruokolainen 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: 105 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Kalle Ruokolainen 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 Kalle Ruokolainen 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: 43 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Kalle Ruokolainen is affiliated with the University of Turku in Finland and has contributed extensively to the fields of Environmental Science and Agricultural and Biological Sciences. Their research intersects several subfields including Nature and Landscape Conservation, Ecology, Evolution, Behavior and Systematics, Global and Planetary Change, Ecology, and Plant Science.

The main topics covered in Ruokolainen's work include:

  • Ecology and Vegetation Dynamics Studies
  • Plant and animal studies
  • Plant Diversity and Evolution
  • Conservation, Biodiversity, and Resource Management
  • Data-Driven Disease Surveillance
  • Species Distribution and Climate Change
  • Amazonian Archaeology and Ethnohistory

Ruokolainen has co-authored research frequently with several collaborators, including:

  • Hanna Tuomisto (13 publications)
  • Italo Mesones (6 publications)
  • Jasper Van doninck (6 publications)
  • Risto Kalliola (5 publications)
  • Pablo Pérez Chaves (5 publications)

The scientist's work has been published in various academic venues, with notable recurring publications in:

  • Zenodo (CERN European Organization for Nuclear Research) - 3 publications
  • Journal of Vegetation Science - 2 publications
  • OPAL (Open@LaTrobe) (La Trobe University) - 2 publications
  • Nature Ecology & Evolution - 1 publication
  • Ecology and Evolution - 1 publication

Recent papers highlight the scope and diversity of Ruokolainen's research output:

  • "Amazon tree dominance across forest strata," 2021, Nature Ecology & Evolution
  • "Isotopic paleoecology (δ13C, δ18O) of late Quaternary herbivorous mammal assemblages from southwestern Amazon," 2020, Quaternary Science Reviews
  • "Does environmental adaptation or dispersal history explain the geographical distribution of Ixodes ricinus and Ixodes persulcatus ticks in Finland?" 2022, Ecology and Evolution
  • "Mapping Floristic Patterns of Trees in Peruvian Amazonia Using Remote Sensing and Machine Learning," 2020, Remote Sensing
  • "Dating flowering cycles of Amazonian bamboo-dominated forests by supervised Landsat time series segmentation," 2020, International Journal of Applied Earth Observation and Geoinformation

Best Publications

  • Dispersal, environment, and floristic variation of western Amazonian forests

    Hanna Tuomisto;Kalle Ruokolainen;Markku Yli-Halla

  • Dissecting Amazonian Biodiversity

    Hanna Tuomisto;Kalle Ruokolainen;Risto Kalliola;Ari Linna

  • An estimate of the number of tropical tree species

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

  • Analyzing or explaining beta diversity? Understanding the targets of different methods of analysis.

    Hanna Tuomisto;Kalle Ruokolainen

  • Hyperdominance in Amazonian forest carbon cycling

    Sophie Fauset;Michelle O Johnson;Manuel Gloor;Timothy R Baker

  • Floristic patterns along a 43-km long transect in an Amazonian rain forest

    Hanna Tuomisto;Kalle Ruokolainen;Melchor Aguilar;Abel Sarmiento

  • LINKING FLORISTIC PATTERNS WITH SOIL HETEROGENEITY AND SATELLITE IMAGERY IN ECUADORIAN AMAZONIA

    Hanna Tuomisto;Axel Dalberg Poulsen;Kalle Ruokolainen;Robbin C. Moran

  • Distribution of Pteridophyta and Melastomataceae along an edaphic gradient in an Amazonian rain forest

    Hanna Tuomisto;Kalle Ruokolainen

  • Beta-Diversity in Tropical Forests

    Kalle Ruokolainen;Hanna Tuomisto

  • Geological control of floristic composition in Amazonian forests.

    Mark A. Higgins;Mark A. Higgins;Kalle Ruokolainen;Hanna Tuomisto;Nelly Llerena

  • Analysing botanical collecting effort in Amazonia and correcting for it in species range estimation

    Unknown

  • Amazonian peatlands: an ignored C sink and potential source

    Unknown

  • Distribution and Diversity of Pteridophytes and Melastomataceae along Edaphic Gradients in Yasuní National Park, Ecuadorian Amazonia1

    Hanna Tuomisto;Kalle Ruokolainen;Axel Dalberg Poulsen;Robbin C. Moran

  • USE OF MELASTOMATACEAE AND PTERIDOPHYTES FOR REVEALING PHYTOGEOGRAPHICAL PATTERNS IN AMAZONIAN RAIN FORESTS

    Kalle Ruokolainen;Ari Linna;Hanna Tuomisto

  • Comment on "Disentangling the drivers of β diversity along latitudinal and elevational gradients".

    Hanna Tuomisto;Kalle Ruokolainen

  • Taking the pulse of Earth's tropical forests using networks of highly distributed plots

    Cecilia Blundo;Julieta Carilla;Ricardo Grau

  • Phylogenetic classification of the world's tropical forests

    J. W.Ferry Slik;Janet Franklin;Víctor Arroyo-Rodríguez;Richard Field

  • A comparison of fine-scale distribution patterns of four plant groups in an Amazonian rainforest.

    J. Vormisto;O. L. Phillips;K. Ruokolainen;H. Tuomisto

  • Are floristic and edaphic patterns in Amazonian rain forests congruent for trees, pteridophytes and Melastomataceae?

    Kalle Ruokolainen;Hanna Tuomisto;Manuel J. Macía;Mark A. Higgins

  • Amazonian floodplains harbour minerotrophic and ombrotrophic peatlands

    Outi Lähteenoja;Kalle Ruokolainen;Leif Schulman;José Alvarez

  • The role of ecological knowledge in explaining biogeography and biodiversity in Amazonia

    Hanna Tuomisto;Kalle Ruokolainen

  • The dynamics, distribution and classification of swamp vegetation in Peruvian Amazonia

    R. Kalliola;M. Puhakka;J. Salo;H. Tuomisto

  • Distribution and Diversity of Pteridophytes and Melastomataceae along Edaphic Gradients in Yasuní National Park, Ecuadorian Amazonia<sup>1</sup>

    Unknown

  • Mapping gradual landscape-scale floristic changes in Amazonian primary rain forests by combining ordination and remote sensing

    Sirpa Thessler;Kalle Ruokolainen;Hanna Tuomisto;Erkki Tomppo

  • The most widespread Amazonian palms tend to be tall and habitat generalists

    Kalle Ruokolainen;Jaana Vormisto

Frequent Co-Authors

Hanna Tuomisto
Hanna Tuomisto University of Helsinki
Kenneth R. Young
Kenneth R. Young The University of Texas at Austin
Rafael P. Salomão
Rafael P. Salomão Museu Paraense Emílio Goeldi
Oliver L. Phillips
Oliver L. Phillips University of Leeds
Susan G. Laurance
Susan G. Laurance James Cook University
William F. Laurance
William F. Laurance James Cook University
Timothy J. Killeen
Timothy J. Killeen Noel Kempff Mercado Natural History Museum
Kyle G. Dexter
Kyle G. Dexter University of Edinburgh
David W. Galbraith
David W. Galbraith University of Arizona
Erkki Tomppo
Erkki Tomppo University of Helsinki

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