World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
84
Citations
25533
World Ranking
672
National Ranking
245

Keith Clay 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 Keith Clay 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: 249 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Keith Clay 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 Keith Clay 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: 84 D-Index — 92nd percentile

92% 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

  • 2005 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Keith Clay is affiliated with Tulane University in the United States and focuses their research primarily within the fields of Agricultural and Biological Sciences and Environmental Science. Their scholarly contributions address a range of subfields including Plant Science, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, Ecology, and Cell Biology.

The scientist's research covers multiple interconnected topics. Key areas of focus include:

  • Plant Pathogens and Fungal Diseases
  • Mycorrhizal Fungi and Plant Interactions
  • Plant and fungal interactions
  • Ecology and Vegetation Dynamics Studies
  • Coastal wetland ecosystem dynamics
  • Vector-borne infectious diseases
  • Viral Infections and Vectors

Keith Clay has collaborated frequently with a group of co-authors, with whom they have published multiple works. Frequent collaborators include Quynh N. Quach, Erica M. Goss, Ashish Adhikari, Robert D. Holt, and Philip F. Harmon.

The scientist's publications appear repeatedly in certain venues such as bioRxiv (Cold Spring Harbor Laboratory), Communications Biology, Plant and Soil, Molecular Ecology, and Taxon, reflecting a consistent presence in these journals.

Among recent papers are:

  • ForestGEO: Understanding forest diversity and dynamics through a global observatory network, 2020, Biological Conservation
  • Plant-Microbial Symbioses in Coastal Systems: Their Ecological Importance and Role in Coastal Restoration, 2022, Estuaries and Coasts
  • Mycorrhizal feedbacks influence global forest structure and diversity, 2023, Communications Biology
  • Latitudinal patterns in stabilizing density dependence of forest communities, 2024, Nature
  • Release from below- and aboveground natural enemies contributes to invasion success of a temperate invader, 2020, Plant and Soil

Keith Clay was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2005.

Best Publications

  • Evolutionary origins and ecological consequences of endophyte symbiosis with grasses.

    Keith Clay;Christopher L Schardl

  • Fungal Endophytes of Grasses: A Defensive Mutualism between Plants and Fungi

    Keith Clay

  • Soil pathogens and spatial patterns of seedling mortality in a temperate tree

    Alissa Packer;Keith Clay

  • GRASSROOTS ECOLOGY: PLANT-MICROBE-SOIL INTERACTIONS AS DRIVERS OF PLANT COMMUNITY STRUCTURE AND DYNAMICS

    Heather L. Reynolds;Alissa Packer;James D. Bever;Keith Clay

  • Fungal endophytes of grasses.

    Keith Clay

  • Fungal endophyte symbiosis and plant diversity in successional fields.

    Keith Clay;Jenny Holah

  • CTFS-ForestGEO: A worldwide network monitoring forests in an era of global change

    Kristina J. Anderson-Teixeira;Kristina J. Anderson-Teixeira;Stuart J. Davies;Stuart J. Davies;Amy C. Bennett;Erika B. Gonzalez-Akre

  • Global importance of large‐diameter trees

    James A. Lutz;Tucker J. Furniss;Daniel J. Johnson;Stuart J. Davies

  • Plant-soil biota interactions and spatial distribution of black cherry in its native and invasive ranges

    K.O. Reinhart;A. Packer;W.H. Van der Putten;K.A. Clay

  • Hybridization and the colonization of novel habitats by annual sunflowers.

    Loren H. Rieseberg;Seung Chul Kim;Rebecca A. Randell;Kenneth D. Whitney

  • Conspecific negative density dependence and forest diversity.

    Daniel J. Johnson;Wesley T. Beaulieu;James D. Bever;Keith Clay

  • Effects of fungal endophytes on the seed and seedling biology of Lolium perenne and Festuca arundinacea

    K. Clay

  • The incidence and effects of hybridization between cultivated rice and its related weed red rice (Oryza sativa L.).

    Susan A. Langevin;Keith Clay;James B. Grace

  • Clavicipitaceous endophytes of grasses: their potential as biocontrol agents.

    Keith Clay

  • Plant diversity increases with the strength of negative density dependence at the global scale.

    Joseph A. LaManna;Scott A. Mangan;Alfonso Alonso;Norman A. Bourg;Norman A. Bourg

  • Effects of insect herbivory and fungal endophyte infection on competitive interactions among grasses.

    Keith Clay;Susan Marks;Gregory P. Cheplick

  • Interactions between infection by endophytic fungi and nutrient limitation in the grasses lolium perenne and festuca arundinacea

    G. P. Cheplick;K. Clay;S. Marks

  • THE RED QUEEN HYPOTHESIS AND PLANT/PATHOGEN INTERACTIONS

    Keith Clay;Paula X. Kover

  • Fungal planet description sheets: 154-213

    P W Crous;M J Wingfield;J Guarro;R Cheewangkoon

  • SOIL PATHOGENS AND PRUNUS SEROTINA SEEDLING AND SAPLING GROWTH NEAR CONSPECIFIC TREES

    Alissa Packer;Keith Clay

Frequent Co-Authors

S. Luke Flory
S. Luke Flory University of Florida
Jennifer A. Rudgers
Jennifer A. Rudgers University of New Mexico
Clay Fuqua
Clay Fuqua Indiana University
Richard P. Phillips
Richard P. Phillips Indiana University
James D. Bever
James D. Bever University of Kansas
Stuart J. Davies
Stuart J. Davies Smithsonian Tropical Research Institute
David Kenfack
David Kenfack Smithsonian Tropical Research Institute
Stephen P. Hubbell
Stephen P. Hubbell University of California, Los Angeles
William J. McShea
William J. McShea Smithsonian Conservation Biology Institute

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Related Online Degrees & Career Pathways

If you're considering a degree in Ecology and Evolution, it’s valuable to explore related online programs and careers that complement or expand your expertise. Many students choose to diversify their qualifications by pursuing online degrees in other fields, which can open up unique interdisciplinary career pathways.

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Career changers can also find pathways that use their Ecology and Evolution background in new directions. For instance, educators may transition to roles like speech-language pathologists, leveraging teaching experience with specialized training obtained through guides such as teacher to speech pathologist. Online learning allows you to personalize your career trajectory and expand your impact in diverse fields.

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