World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
41
Citations
5851
World Ranking
5893
National Ranking
2001

Ian S. Pearse 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 Ian S. Pearse 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: 173 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Ian S. Pearse 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 Ian S. Pearse 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: 41 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Overview

Ian S. Pearse is affiliated with the United States Geological Survey in the United States. Their research primarily focuses on Environmental Science and Agricultural and Biological Sciences, with a significant number of publications contributing to these fields.

The scientist's main subfields of study include Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Ecology, Plant Science, and Ecological Modeling. Pearse's work covers a variety of research topics such as Ecology and Vegetation Dynamics Studies, Plant and Animal Studies, Animal Ecology and Behavior Studies, Species Distribution and Climate Change, Insect and Pesticide Research, Forest Insect Ecology and Management, and Plant Parasitism and Resistance.

Ian S. Pearse has contributed to several frequently cited publication venues, including:

  • Ecology
  • Ecology Letters
  • New Phytologist
  • Philosophical Transactions of the Royal Society B Biological Sciences
  • Proceedings of the National Academy of Sciences

Their recent notable publications include:

  • "Generalising indirect defence and resistance of plants," 2020, Ecology Letters
  • "The Importance of Forests in Bumble Bee Biology and Conservation," 2021, BioScience
  • "Is there tree senescence? The fecundity evidence," 2021, Proceedings of the National Academy of Sciences
  • "Mast seeding patterns are asynchronous at a continental scale," 2020, Nature Plants
  • "North American tree migration paced by climate in the West, lagging in the East," 2022, Repository for Publications and Research Data (ETH Zurich)

Ian S. Pearse has collaborated frequently with several researchers, including:

  • Jalene M. LaMontagne
  • Helen R. Sofaer
  • Inés Ibáñez
  • Miranda D. Redmond
  • Michał Bogdziewicz

Additionally, Pearse has authored a book titled How to Do Ecology, published in 2023 by Princeton University Press.

Best Publications

  • Mechanisms of mast seeding: resources, weather, cues, and selection.

    Ian S. Pearse;Walter D. Koenig;Dave Kelly

  • The ecological forecast horizon, and examples of its uses and determinants.

    Owen L Petchey;Owen L Petchey;Mikael Pontarp;Mikael Pontarp;Thomas M Massie;Sonia Kéfi

  • Development and Delivery of Species Distribution Models to Inform Decision-Making

    Helen R Sofaer;Catherine S Jarnevich;Ian S Pearse;Regan L Smyth

  • Phylogenetic and trait similarity to a native species predict herbivory on non-native oaks

    Ian S. Pearse;Andrew L. Hipp

  • Increasing phenological asynchrony between spring green-up and arrival of migratory birds

    Stephen J. Mayor;Robert P. Guralnick;Morgan W. Tingley;Javier Otegui

  • What drives masting? The phenological synchrony hypothesis

    Walter D. Koenig;Johannes M. H. Knops;William J. Carmen;Ian S. Pearse

  • Predicting novel trophic interactions in a non‐native world

    Ian S. Pearse;Florian Altermatt

  • GLOBAL PATTERNS OF LEAF DEFENSES IN OAK SPECIES

    Ian S. Pearse;Andrew L. Hipp;Andrew L. Hipp

  • Predicting novel herbivore–plant interactions

    Ian S. Pearse;David J. Harris;Richard Karban;Andrew Sih

  • Cues versus proximate drivers: testing the mechanism behind masting behavior

    Ian S. Pearse;Walter D. Koenig;Johannes M. H. Knops

  • Inter-annual variation in seed production has increased over time (1900-2014).

    Ian S. Pearse;Jalene M. LaMontagne;Walter D. Koenig

  • The relationship between invader abundance and impact

    Helen R. Sofaer;Catherine S. Jarnevich;Ian S. Pearse

  • Generalising indirect defence and resistance of plants

    Ian S. Pearse;Eric LoPresti;Robert N. Schaeffer;William C. Wetzel

  • Similarity and specialization of the larval versus adult diet of European butterflies and moths.

    Florian Altermatt;Ian S. Pearse

  • Sticky plant traps insects to enhance indirect defence.

    B. A. Krimmel;I. S. Pearse

  • The Importance of Forests in Bumble Bee Biology and Conservation

    John M Mola;Jeremy Hemberger;Jade Kochanski;Leif L Richardson

  • From theory to experiments for testing the proximate mechanisms of mast seeding: an agenda for an experimental ecology

    Michał Bogdziewicz;Davide Ascoli;Andrew Hacket‐Pain;Walter D. Koenig

  • Is there tree senescence? The fecundity evidence

    Tong Qiu;Marie-Claire Aravena;Robert Andrus;Davide Ascoli

  • Individual resource limitation combined with population‐wide pollen availability drives masting in the valley oak (Quercus lobata)

    Mario B. Pesendorfer;Walter D. Koenig;Ian S. Pearse;Johannes M. H. Knops

  • The role of leaf defensive traits in oaks on the preference and performance of a polyphagous herbivore, Orgyia vetusta

    Ian S. Pearse

  • Insect herbivores selectively suppress the HPL branch of the oxylipin pathway in host plants

    Tatyana Savchenko;Ian S. Pearse;Laura Ignatia;Richard Karban

Frequent Co-Authors

Walter D. Koenig
Walter D. Koenig University of California, Berkeley
Florian Altermatt
Florian Altermatt University of Zurich
Andrew L. Hipp
Andrew L. Hipp Morton Arboretum
Richard Karban
Richard Karban University of California, Davis
Johannes M. H. Knops
Johannes M. H. Knops Xi’an Jiaotong-Liverpool University
Michał Bogdziewicz
Michał Bogdziewicz Adam Mickiewicz University in Poznań
Paul J. Ode
Paul J. Ode Colorado State University
Owen L. Petchey
Owen L. Petchey University of Zurich
Bernhard Schmid
Bernhard Schmid University of Zurich
Michael E. Schaepman
Michael E. Schaepman University of Zurich

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