World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
80
Citations
28240
World Ranking
821
National Ranking
301

Nickolas M. Waser 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 Nickolas M. Waser 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: 141 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Nickolas M. Waser 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 Nickolas M. Waser 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: 80 D-Index — 90th percentile

90% 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

  • 2001 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Nickolas M. Waser is affiliated with the University of California, Riverside in the United States. Their research spans fields within Agricultural and Biological Sciences and Environmental Science, with a focus on subfields such as Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Plant Science, Insect Science, and Genetics.

The main topics of Nickolas M. Waser's work include:

  • Plant and animal studies
  • Ecology and Vegetation Dynamics Studies
  • Plant Parasitism and Resistance
  • Insect and Pesticide Research
  • Insect and Arachnid Ecology and Behavior
  • Species Distribution and Climate Change

Their recent papers cover a range of ecological and environmental science subjects and include:

  • Temporal flexibility in the structure of plant-pollinator interaction networks, 2020, published in Oikos
  • Impacts of beekeeping on wild bee diversity and pollination networks in the Aegean Archipelago, 2021, published in Ecography
  • Predispersal Seed Predation Obscures the Detrimental Effect of Dust on Wildflower Reproduction, 2021, published in International Journal of Plant Sciences
  • Comparative impacts of long-term trends in snowmelt and species interactions on plant population dynamics, 2022, published in Journal of Ecology
  • On the temporally flexible structure of plant-pollinator interaction networks, 2020, published in bioRxiv (Cold Spring Harbor Laboratory)

Nickolas M. Waser has frequently collaborated with several researchers including:

  • Paul J. CaraDonna
  • Mary V. Price
  • Amparo Lázaro
  • Andreas Müller
  • Andreas Werner Ebmer

Their publications appear in a variety of journals, illustrating the interdisciplinary nature of their research. Frequent publication venues include:

  • Oikos
  • Ecography
  • International Journal of Plant Sciences
  • Journal of Ecology
  • bioRxiv (Cold Spring Harbor Laboratory)

Nickolas M. Waser was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2001.

Best Publications

  • ENDANGERED MUTUALISMS: The Conservation of Plant-Pollinator Interactions

    Carol A. Kearns;David W. Inouye;Nickolas M. Waser

  • Generalization in pollination systems, and why it matters

    Nickolas M. Waser;Lars Chittka;Mary V. Price;Neal M. Williams

  • Global warming and the disruption of plant–pollinator interactions

    Jane Memmott;Paul G. Craze;Nickolas M. Waser;Mary V. Price

  • Tolerance of pollination networks to species extinctions

    Jane Memmott;Nickolas M. Waser;Mary V. Price

  • Flower constancy: definition, cause, and measurement

    Nickolas M. Waser

  • Flower Constancy, Insect Psychology, and Plant Evolution

    Lars Chittka;James D. Thomson;Nickolas M. Waser

  • Competition for Hummingbird Pollination and Sequential Flowering in Two Colorado Wildflowers

    Nickolas M. Waser

  • Geitonogamy: The neglected side of selfing

    Tom J. de Jong;Nickolas M. Waser;Peter G.L. Klinkhamer

  • Pollen dispersal and optimal outcrossing in Delphinium nelsoni

    M. V. Price;M. V. Price;N. M. Waser;N. M. Waser

  • Plant-pollinator interactions: from specialization to generalization.

    Nickolas Merritt Waser;Jeff Ollerton

  • A global test of the pollination syndrome hypothesis.

    Jeff Ollerton;Ruben Alarcón;Ruben Alarcón;Ruben Alarcón;Nickolas M. Waser;Nickolas M. Waser;Nickolas M. Waser;Mary V. Price;Mary V. Price;Mary V. Price

  • New frontiers in competition for pollination.

    Randall J. Mitchell;Rebecca J. Flanagan;Beverly J. Brown;Nickolas M. Waser;Nickolas M. Waser

  • Interspecific pollen transfer and competition between co-occurring plant species.

    Nickolas M. Waser

  • Optimal outcrossing in Ipomopsis aggregata: seed set and offspring fitness.

    Nickolas M. Waser;Mary V. Price

  • Year‐to‐year variation in the topology of a plant–pollinator interaction network

    Ruben Alarcón;Nickolas M. Waser;Jeff Ollerton

  • Integration of alien plants into a native flower-pollinator visitation web.

    Jane Memmott;Nickolas M. Waser

  • EFFECTS OF EXPERIMENTAL WARMING ON PLANT REPRODUCTIVE PHENOLOGY IN A SUBALPINE MEADOW

    Mary V. Price;Mary V. Price;Nickolas M. Waser;Nickolas M. Waser

  • The production of dilute nectars by hummingbird and honeyeater flowers

    Graham H. Pyke;Nickolas M. Waser

  • POLLINATOR CHOICE AND STABILIZING SELECTION FOR FLOWER COLOR IN DELPHINIUM NELSONII.

    Nickolas M. Waser;Mary V. Price;Mary V. Price

  • Interaction rewiring and the rapid turnover of plant-pollinator networks

    Paul J. CaraDonna;William K. Petry;William K. Petry;William K. Petry;Ross M. Brennan;Ross M. Brennan;James L. Cunningham;James L. Cunningham

Frequent Co-Authors

Mary V. Price
Mary V. Price University of Arizona
Diane R. Campbell
Diane R. Campbell University of California, Irvine
Jeff Ollerton
Jeff Ollerton University of Northampton
David W. Inouye
David W. Inouye University of Maryland, College Park
Randall J. Mitchell
Randall J. Mitchell University of Akron
James D. Thomson
James D. Thomson University of Toronto
Jane Memmott
Jane Memmott University of Bristol
Graham H. Pyke
Graham H. Pyke Macquarie University
Ruth G. Shaw
Ruth G. Shaw University of Minnesota
Paul G. Wolf
Paul G. Wolf University of Alabama in Huntsville

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Related Online Degrees & Career Pathways

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