World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
61
Citations
12881
World Ranking
2205
National Ranking
792

Michael G. Hadfield 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 Michael G. Hadfield 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: 166 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Michael G. Hadfield 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 Michael G. Hadfield 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: 61 D-Index — 75th percentile

75% 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

  • 1985 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Michael G. Hadfield is affiliated with the University of Hawaii at Manoa in the United States. Their primary field of research is Environmental Science, with significant contributions to subfields such as Oceanography, Ocean Engineering, Ecology, Global and Planetary Change, and Ecology, Evolution, Behavior and Systematics. The scope of their work is oriented toward marine biology and related environmental studies.

Key topics in Hadfield's research include:

  • Marine Biology and Environmental Chemistry
  • Marine Biology and Ecology Research
  • Marine Ecology and Invasive Species
  • Cephalopods and Marine Biology
  • Coral and Marine Ecosystems Studies
  • Marine Sponges and Natural Products
  • Mollusks and Parasites Studies

Hadfield has contributed several publications in notable academic venues. Frequent publication venues include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Health Affairs
  • Proceedings of the National Academy of Sciences
  • Integrative and Comparative Biology
  • Communications Biology

Recent papers authored or coauthored by Hadfield are as follows:

  • The natural sequence of events in larval settlement and metamorphosis of Hydroides elegans (Polychaeta; Serpulidae), 2021, PLoS ONE
  • Bacterial lipopolysaccharide induces settlement and metamorphosis in a marine larva, 2022, Proceedings of the National Academy of Sciences
  • Understanding Drivers of Variation and Predicting Variability Across Levels of Biological Organization, 2021, Integrative and Comparative Biology
  • Laser ablation of the apical sensory organ of Hydroides elegans (Polychaeta) does not inhibit detection of metamorphic cues, 2021, Journal of Experimental Biology
  • Evolutionary genomics of endangered Hawaiian tree snails (Achatinellidae: Achatinellinae) for conservation of adaptive capacity, 2021, PeerJ

Hadfield collaborates with several researchers, with frequent coauthors including:

  • Marnie L. Freckelton
  • Brian T. Nedved
  • Natalie Levy
  • Crawford Drury
  • Christopher P. Jury

Throughout their career, Hadfield was recognized with the award of Fellow of the American Association for the Advancement of Science (AAAS) in 1985.

Best Publications

  • Animals in a bacterial world, a new imperative for the life sciences

    Margaret McFall-Ngai;Michael G. Hadfield;Thomas C. G. Bosch;Hannah V. Carey

  • Biofilms and Marine Invertebrate Larvae: What Bacteria Produce That Larvae Use to Choose Settlement Sites

    Michael G. Hadfield

  • Natural Chemical Cues for Settlement and Metamorphosis of Marine-Invertebrate Larvae

    Michael G. Hadfield;Valerie J. Paul

  • Marine Tubeworm Metamorphosis Induced by Arrays of Bacterial Phage Tail–Like Structures

    Nicholas J. Shikuma;Martin Pilhofer;Martin Pilhofer;Gregor L. Weiss;Michael G. Hadfield

  • Role of bacteria in larval settlement and metamorphosis of the polychaete Hydroides elegans

    C. R. C. Unabia;M. G. Hadfield

  • The Decimation of Endemic Hawai'ian Tree Snails by Alien Predators

    Michael G. Hadfield;Stephen E. Miller;Anne H. Carwile

  • Composition and density of bacterial biofilms determine larval settlement of the polychaete Hydroides elegans

    Shuyi Huang;Michael G. Hadfield

  • The apical sensory organ of a gastropod veliger is a receptor for settlement cues

    Michael G. Hadfield;Ella A. Meleshkevitch;Dmitri Y. Boudko

  • Metamorphic Competence, a Major Adaptive Convergence in Marine Invertebrate Larvae

    Michael G. Hadfield;Eugenio J. Carpizo-Ituarte;Kimberly del Carmen;Brian T. Nedved

  • Microbial Biofilms Facilitate Adhesion in Biofouling Invertebrates

    John D. Zardus;Brian T. Nedved;Ying Huang;Cawa Tran

  • EXCESS POTASSIUM INDUCES LARVAL METAMORPHOSIS IN FOUR MARINE INVERTEBRATE SPECIES

    Andrea J. Yool;Susan M. Grau;Michael G. Hadfield;Rebecca A. Jensen

  • Variability, flexibility and plasticity in life histories of marine invertebrates

    M. G. Hadfield;M. F. Strathmann

  • Why and how marine-invertebrate larvae metamorphose so fast.

    Michael G. Hadfield

  • Settlement requirements of molluscan larvae: New data on chemical and genetic roles

    Michael G. Hadfield

  • What is metamorphosis

    C. D. Bishop;D. F. Erezyilmaz;T. Flatt;C. D. Georgiou

  • Evidence for a soluble metamorphic inducer in Phestilla: ecological, chemical and biological data

    M. G. Hadfield;D. Scheuer

  • Larvae of Pocillopora damicornis (Anthozoa) settle and metamorphose in response to surface-biofilm bacteria

    Cawa Tran;Michael G. Hadfield

  • Metamorphosis of the marine gastropod Phestilla Sibogae Bergh (nudibranchia: aeolidacea). I. Light and electron microscopic analysis of larval and metamorphic stages

    Dale B. Bonar;Michael G. Hadfield

  • Settlement and recruitment of marine invertebrates: a perspective and some proposals

    M. G. Hadfield

  • Rapid behavioral responses of an invertebrate larva to dissolved settlement cue.

    Michael G. Hadfield;M. A. R. Koehl

  • Extinction in Hawaiian achatinelline snails

    M. G. Hadfield

Frequent Co-Authors

John C. Marioni
John C. Marioni European Bioinformatics Institute
M. A. R. Koehl
M. A. R. Koehl University of California, Berkeley
Scott A. Rice
Scott A. Rice Nanyang Technological University
David J. Bottjer
David J. Bottjer University of Southern California
Paul Tafforeau
Paul Tafforeau European Synchrotron Radiation Facility
Gonzalo Giribet
Gonzalo Giribet Harvard University
Roger P. Croll
Roger P. Croll Dalhousie University
Edward G. Ruby
Edward G. Ruby University of Hawaii at Manoa
Eric H. Davidson
Eric H. Davidson California Institute of Technology
Martha U. Gillette
Martha U. Gillette University of Illinois at Urbana-Champaign

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Ecology and Evolution in the USA opens a wide range of interdisciplinary career opportunities. Many students enhance their learning by drawing from related fields such as mathematics, environmental design, or visual communication. For those seeking flexibility, pursuing a architecture degree online can provide valuable skills in spatial analysis and sustainable design, especially relevant for ecological planning and conservation work.

Analytical thinking is essential in ecology, making a bachelor in mathematics online a smart complementary option. Mathematics supports data analysis, modeling, and research methods in evolutionary studies. For those interested in science communication or data visualization, the best online graphic design degree programs can hone your ability to present complex information to a wider audience.

Finally, if you’re looking for a customizable program, consider an online interdisciplinary studies degree financial aid option. These programs offer flexibility and affordability, allowing you to combine coursework in ecology, evolution, and other disciplines that support your unique career goals.

Best Scientists Citing Michael G. Hadfield

Trending Scientists

Recently Published Articles