World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
43
Citations
9204
World Ranking
5244
National Ranking
1791

Ellen L. Simms 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 Ellen L. Simms 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: 67 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Ellen L. Simms 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 Ellen L. Simms 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

Ellen L. Simms is affiliated with the University of California, Berkeley in the United States. Their research focuses primarily on Agricultural and Biological Sciences, with substantial contributions to Environmental Science. Within these broader fields, they specialize in Plant Science, Ecology, and Agronomy and Crop Science.

Their work covers several scientific topics, including:

  • Legume Nitrogen Fixing Symbiosis
  • Agronomic Practices and Intercropping Systems
  • Coastal Wetland Ecosystem Dynamics
  • Nematode Management and Characterization Studies
  • Soybean Genetics and Cultivation
  • Bacteriophages and Microbial Interactions
  • Microbial Community Ecology and Physiology

Among their recent publications are the following:

  • "More Than a Functional Group: Diversity within the Legume-Rhizobia Mutualism and Its Relationship with Ecosystem Function" (2020), published in Diversity
  • "Nodules of Medicago spp. Host a Diverse Community of Rhizobial Species in Natural Ecosystems" (2024), published in Agronomy
  • "How might bacteriophages shape biological invasions?" (2023), published in mBio
  • "Non-Nitrogen-Fixing Sinorhizobium meliloti Can Escape Sanctions in Indeterminate Alfalfa Nodules, Exhibiting Parasitic Growth" (2025), published in Molecular Plant-Microbe Interactions

Frequent coauthors in Ellen L. Simms' work include:

  • Jannick Van Cauwenberghe
  • Benton N. Taylor
  • Kimberly J. Komatsu
  • Andrei Ștefan
  • Crăița Maria Roșu

Publication venues where Ellen L. Simms has contributed multiple works include Diversity, Agronomy, mBio, and Molecular Plant-Microbe Interactions. The scientist's research output contributes to the understanding of symbiotic relationships in legumes, the complexity of microbial communities, and interactions influencing ecosystem functions and plant health.

Best Publications

  • THE EVOLUTIONARY ECOLOGY OF TOLERANCE TO CONSUMER DAMAGE

    Kirk A. Stowe;Robert J. Marquis;Cris G. Hochwender;Ellen L. Simms

  • Plant resistance to herbivores and pathogens: ecology, evolution, and genetics.

    Robert S. Fritz;Ellen Louise Simms

  • The relative advantages of plasticity and fixity in different environments: when is it good for a plant to adjust?

    Peter Alpert;Ellen L. Simms

  • Pathways to mutualism breakdown

    Joel L. Sachs;Ellen L. Simms

  • Costs and Benefits of Plant Resistance to Herbivory

    Ellen L. Simms;Mark D. Rausher

  • Sanctions and mutualism stability: why do rhizobia fix nitrogen?

    Stuart A West;E Toby Kiers;Ellen L Simms;R Ford Denison

  • Costs of plant resistance to herbivory.

    E. L. Simms;R. S. Fritz

  • COSTS AND BENEFITS OF PLANT RESPONSES TO DISEASE: RESISTANCE AND TOLERANCE

    Ellen L. Simms;Jim Triplett

  • Plant Resistance to Herbivores and Pathogens.

    V. K. Brown;R. S. Fritz;E. L. Simms

  • An empirical test of partner choice mechanisms in a wild legume–rhizobium interaction

    Ellen L Simms;D. Lee Taylor;Joshua Povich;Richard P Shefferson

  • THE EVOLUTION OF RESISTANCE TO HERBIVORY IN IPOMOEA PURPUREA. II. NATURAL SELECTION BY INSECTS AND COSTS OF RESISTANCE.

    Ellen L. Simms;Mark D. Rausher

  • Defining tolerance as a norm of reaction

    Ellen L. Simms

  • Partner choice in nitrogen-fixation mutualisms of legumes and rhizobia.

    Ellen L. Simms;D. Lee Taylor

  • Identification and characterization of QTL underlying whole‐plant physiology in Arabidopsis thaliana: δ13C, stomatal conductance and transpiration efficiency

    Thomas E. Juenger;John K. Mckay;Neil Hausmann;Joost J. B. Keurentjes

  • Tannins and partial consumption of acorns: implications for dispersal of oaks by seed predators.

    Michael A. Steele;Travis Knowles;Kenneth Bridle;Ellen L. Simms

  • Effects of plant variation on herbivore-natural enemy interactions.

    J. D. Hare;R. S. Fritz;E. L. Simms

  • Selective impact of herbivores.

    R. J. Marquis;R. S. Fritz;E. L. Simms

  • THE EVOLUTION OF RESISTANCE TO HERBIVORY IN IPOMOEA PURPUREA. I. ATTEMPTS TO DETECT SELECTION.

    Mark D. Rausher;Ellen L. Simms

  • Resistance variation in natural and managed systems.

    G. G. Kennedy;J. D. Barbour;R. S. Fritz;E. L. Simms

  • Origins of cheating and loss of symbiosis in wild Bradyrhizobium

    J. L. Sachs;M. O. Ehinger;E. L. Simms

  • Permanent Genetic Resources added to Molecular Ecology Resources Database 1 October 2011 - 30 November 2011: PERMANENT GENETIC RESOURCES NOTEM

    Aluana G. Abreu;A. Albaina;Tilman J. Alpermann;Vanessa E. Apkenas

Frequent Co-Authors

Robert S. Fritz
Robert S. Fritz Vassar College
Mark D. Rausher
Mark D. Rausher Duke University
James D. Bever
James D. Bever University of Kansas
Michael L. Berumen
Michael L. Berumen King Abdullah University of Science and Technology
Thomas E. Juenger
Thomas E. Juenger The University of Texas at Austin
Axel Hochkirch
Axel Hochkirch Trier University of Applied Sciences
Michael Veith
Michael Veith University of Trier
Todd E. Dawson
Todd E. Dawson University of California, Berkeley
R. Ford Denison
R. Ford Denison University of Minnesota
Harry M. Savage
Harry M. Savage Centers for Disease Control and Prevention

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Related Online Degrees & Career Pathways

If you are considering a professional path that combines the natural sciences with helping people, there are several related online degree options to explore. Many students who study Ecology and Evolution become interested in human services, counseling, or psychology, especially as these fields overlap in areas like conservation education and community wellness.

For example, the cheapest masters in counseling online programs offer a cost-effective way to expand your skills in supporting individuals and communities, just as ecologists work to support environmental wellbeing. If you are interested in mental health, clinical psychology master's programs online can open doors to new roles in research or therapy.

There are also fast-track programs for those seeking a broader community impact, such as online human services degree options. Finally, educators who wish to specialize may want to learn more about can a teacher become a speech pathologist to see how their background can lead to a new, impactful career. 

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