World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
52
Citations
10217
World Ranking
3461
National Ranking
1217

John 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 John 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: 111 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

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

John 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 John 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: 52 D-Index — 60th percentile

60% 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

  • 1983 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

John S. Pearse was affiliated with the University of California, Santa Cruz in the United States. Their research work focused primarily on environmental science and earth and planetary sciences, with a particular emphasis on oceanography, ecology, and global and planetary change as subfields of study.

The scope of their academic contributions spanned several topics related to marine and coastal environments. Major areas of research included marine and coastal plant biology, photoreceptor and optogenetics research, advanced fluorescence microscopy techniques, nicotinic acetylcholine receptors study, coral and marine ecosystems studies, and marine and fisheries research.

Their recent publications showcased a range of ecological and biological research within marine environments. Notable papers included:

  • Field stations as sentinels of change, 2020, published in Frontiers in Ecology and the Environment
  • Fluorescent proteins generate a genetic color polymorphism and counteract oxidative stress in intertidal sea anemones, 2024, published in Proceedings of the National Academy of Sciences
  • Setting deeper baselines: kelp forest dynamics in California over multiple centuries, 2024, published in Regional Environmental Change
  • Does larval food availability ultimately select for seasonal reproduction in marine invertebrates with feeding larvae? A field test of Crisp's Rule with the temperate sea star Pisaster ochraceus, 2022, published in Marine Ecology

Throughout their career, John S. Pearse frequently collaborated with several coauthors, including Vicki B. Pearse, Fiorenza Micheli, James T. Carlton, Jennifer C. Selgrath, and D. Nathaniel Clarke.

Their research was often published in journals such as Proceedings of the National Academy of Sciences, Frontiers in Ecology and the Environment, Regional Environmental Change, and Marine Ecology.

John S. Pearse was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 1983.

Best Publications

  • POPULATION STRUCTURE AND SPECIATION IN TROPICAL SEAS: GLOBAL PHYLOGEOGRAPHY OF THE SEA URCHIN DIADEMA

    Harilaos A. Lessios;Bailey D. Kessing;John S. Pearse

  • Reproduction of Antarctic benthic marine invertebrates: Tempos, modes, and timing

    John S. Pearse;James B. Mcclintock;Isidro Bosch

  • Chapter 1 – INTRODUCTION: GENERAL PRINCIPLES

    Arthur C. Giese;John S. Pearse

  • Biological invasions of estuaries without international shipping: the importance of intraregional transport

    Kerstin Wasson;Chela J Zabin;Laura Bedinger;M Cristina Diaz

  • Early evolution of animal cell signaling and adhesion genes

    Scott A. Nichols;William Dirks;John S. Pearse;Nicole King

  • Expansion of a central California kelp forest following the mass mortality of sea urchins

    J. S. Pearse;Anson H. Hines

  • Temperature, Food Availability, and the Development of Marine Invertebrate Larvae

    Ove Hoegh-Guldberg;John S. Pearse

  • Reproductive periodicities in several contrasting populations of Odontaster Validus Koehler, A common Antarctic asteroid

    J. S. Pearse

  • Ecological role of purple sea urchins.

    John S. Pearse

  • Abalones and Sea Urchins in an Area Inhabited by Sea Otters

    L. F. Lowry;J. S. Pearse

  • Photoperiodic regulation of gametogenesis and growth in the sea urchin Strongylocentrotus purpuratus

    John S. Pearse;Vicki B. Pearse;Karen K. Davis

  • DEVELOPMENT, METAMORPHOSIS, AND SEASONAL ABUNDANCE OF EMBRYOS AND LARVAE OF THE ANTARCTIC SEA URCHIN STERECHINUS NEUMAYERI.

    Isidro Bosch;Katherine A. Beauchamp;M. Elizabeth Steele;John S. Pearse

  • Growth Zones in the Echinoid Skeleton

    John S. Pearse;Vicki B. Pearse

  • Movement and feeding activity of red sea urchins (Strongylocentrotus franciscanus) adjacent to a kelp forest

    J. E. Mattison;J. D. Trent;A. L. Shanks;T. B. Akin

  • Growth and production of Sterechinus neumayeri (Echinoidea: Echinodermata) in McMurdo Sound, Antarctica

    Thomas Brey;J. Pearse;L. Basch;J. Mcclintock

  • Habitat differences in marine invasions of central California

    Kerstin Wasson;Katherine Fenn;John S. Pearse

  • Sexual reproduction in solitary corals: Overlapping oogenic and brooding cycles, and benthic planulas in Balanophyllia elegans

    Y. H. Fadlallah;J. S. Pearse

  • Long-term population dynamics of sea urchins in a central California kelp forest : Rare recruitment and rapid decline

    J. S. Pearse;Anson H. Hines

  • Photoperiodic regulation of gametogenesis and gonadal growth in the sea star Pisaster ochraceus

    J. S. Pearse;D. J. Eernisse

  • Brooding and Species Diversity in the Southern Ocean: Selection for Brooders Or Speciation within Brooding Clades?

    John S. Pearse;Richard Mooi;Susanne J. Lockhart;Angelika Brandt

Frequent Co-Authors

James B. McClintock
James B. McClintock University of Alabama at Birmingham
Anson H. Hines
Anson H. Hines Smithsonian Environmental Research Center
Terrence M. Gosliner
Terrence M. Gosliner California Academy of Sciences
Allen Gilbert Collins
Allen Gilbert Collins National Museum of Natural History
Paul K. Dayton
Paul K. Dayton Scripps Institution of Oceanography
Bernd Schierwater
Bernd Schierwater University of Veterinary Medicine Hannover, Foundation
David O. Duggins
David O. Duggins University of Washington
Mark H. Carr
Mark H. Carr University of California, Santa Cruz
Brenda Konar
Brenda Konar University of Alaska Fairbanks
Harilaos A. Lessios
Harilaos A. Lessios Smithsonian Tropical Research Institute

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Related Online Degrees & Career Pathways

Exploring Ecology and Evolution in the USA opens doors to an array of multidisciplinary career pathways. While direct roles in research or environmental consulting are common, students often branch into related fields. Those interested in mental and behavioral sciences might explore an online masters in clinical psychology, gaining insights into ecosystems alongside human psychology and well-being.

For individuals passionate about community impact, an online degree in human services offers the skills to address social and environmental challenges through program management or advocacy. Similarly, if you have an education background and want to adapt your career, you might wonder, can you become a speech pathologist with an education degree? This transition is possible and demonstrates how diverse science-based studies can lead to new, rewarding professions.

Additionally, creative problem-solvers can consider online architecture programs. Sustainable design and landscape planning share many intersections with ecology, making this a compelling crossover for those interested in shaping the world’s future environments.

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