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Samuel W. James 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 Samuel W. James 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+

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

Samuel W. James 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 Samuel W. James 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+

The last bar groups every scientist with 121 D-Index or more.

Overview

Samuel W. James is affiliated with Maharishi International University in the United States. Their research primarily focuses on the fields of Agricultural and Biological Sciences, with a significant emphasis on subfields such as Ecology, Evolution, Behavior and Systematics, Ecology, Pharmacology, Oceanography, and Insect Science.

The scientist's work covers a range of topics including:

  • Invertebrate Taxonomy and Ecology
  • Study of Mite Species
  • Leech Biology and Applications
  • Parasite Biology and Host Interactions
  • Aquatic Invertebrate Ecology and Behavior
  • Marine and environmental studies
  • Environmental DNA in Biodiversity Studies

Samuel W. James has contributed to various academic journals and publication venues, with frequent publications in:

  • Datasets - Sistema SALVE - ICMBio
  • Zootaxa
  • Zenodo (CERN European Organization for Nuclear Research)
  • Organisms Diversity & Evolution
  • Diversity

The recent notable papers authored or co-authored by Samuel W. James include:

  • "Phylogenomic analyses reveal a Palaeozoic radiation and support a freshwater origin for clitellate annelids" (2020) published in Zoologica Scripta
  • "The second wave of earthworm invasions in North America: biology, environmental impacts, management and control of invasive jumping worms" (2021) published in Biological Invasions
  • "Earthworms (Clitellata, Megadrili) of the world: an updated checklist of valid species and families, with notes on their distribution" (2023) published in Zootaxa
  • "Three uncharted endemic earthworm species of the genus Eutyphoeus (Oligochaeta: Octochaetidae) from Mizoram, India" (2021) published in Zootaxa
  • "Comment on 'Global distribution of earthworm diversity'" (2021) published in Science

Frequently collaborating with other researchers, Samuel W. James has coauthored extensively with colleagues including:

  • George Gardner Brown
  • Marie Luise Carolina Bartz
  • Luis Manuel Hernandez Garcia
  • Marcelo Marcelino de Oliveira
  • Maria Auxiliadora Drumond

Best Publications

  • The Ecology of Mutualism

    Douglas H. Boucher;Samuel W. James;Kathleen H. Keeler

  • Pandora's Box Contained Bait : The Global Problem of Introduced Earthworms

    Paul F. Hendrix;Mac A. Callaham;John M. Drake;Ching-Yu Huang

  • DNA Barcoding Reveals Cryptic Diversity in Lumbricus terrestris L., 1758 (Clitellata): Resurrection of L. herculeus (Savigny, 1826)

    Samuel W. James;Samuel W. James;David Porco;David Porco;Thibaud Decaëns;Benoit Richard

  • Soil, Nitrogen, Phosphorus, and Organic Matter Processing by Earthworms in Tallgrass Prairie

    Samuel W. James

  • Invasion of exotic earthworms into ecosystems inhabited by native earthworms

    P. F. Hendrix;G. H. Baker;M. A. Callaham;G. A. Damoff

  • Exotic, peregrine, and invasive earthworms in Brazil: diversity, distribution, and effects on soils and plants.

    G. G. Brown;S. W. James;A. Pasini;D. H. Nunes

  • Biological invasions in soil: DNA barcoding as a monitoring tool in a multiple taxa survey targeting European earthworms and springtails in North America

    David Porco;David Porco;Thibaud Decaëns;Louis Deharveng;Samuel W. James;Samuel W. James

  • Phylogeny of the Megascolecidae and Crassiclitellata (Annelida, Oligochaeta): combined versus partitioned analysis using nuclear (28S) and mitochondrial (12S, 16S) rDNA

    Barrie G. M. Jamieson;Simon Tillier;Annie Tillier;Jean-Lou Justine

  • DNA barcodes for soil animal taxonomy

    Rodolphe Rougerie;Thibaud Decaëns;Louis Deharveng;David Porco

  • Underground evolution: New roots for the old tree of lumbricid earthworms

    Jorge Domínguez;Manuel Aira;Jesse W. Breinholt;Mirjana Stojanovic

  • Biodiversity of Earthworms in Taiwan: A Species Checklist with the Confirmation and New Records of the Exotic Lumbricids Eisenia fetida and Eiseniella tetraedra

    Robert J. Blakemore;Chih-Han Chang;Shu-Chun Chuang;Masamichi T. Ito

  • A critique of earthworm molecular phylogenetics

    Chih-Han Chang;Samuel James

  • Invasion of Exotic Earthworms into North America and Other Regions

    Paul Hendrix;Samuel James

  • Molecular phylogeny of earthworms (Annelida : Crassiclitellata) based on 28S, 18S and 16S gene sequences

    Samuel W. James;Seana K. Davidson

  • Earthworm richness in land-use systems in Santa Catarina, Brazil

    Marie Luise Carolina Bartz;George Gardner Brown;Marcio Gonçalves da Rosa;Osmar Klauberg Filho

  • Potential of DNA barcoding for earthworm research in taxonomy and ecology

    Thibaud Decaëns;David Porco;David Porco;Rodolphe Rougerie;Rodolphe Rougerie;George G. Brown

  • Phylogenetic analysis of New Zealand earthworms (Oligochaeta: Megascolecidae) reveals ancient clades and cryptic taxonomic diversity

    Thomas R. Buckley;Sam James;Julia Allwood;Julia Allwood;Scott Bartlam

  • Soil animals and pedogenesis : the role of earthworms in anthropogenic soils

    Luis Cunha;George G. Brown;David W. G. Stanton;Elodie Da Silva

  • Re-integrating earthworm juveniles into soil biodiversity studies: species identification through DNA barcoding.

    B. Richard;T. Decaëns;R. Rougerie;S. W. James

  • Interactions among soil invertebrates, microbes and plant growth in the tallgrass Prairie

    T.R. Seastedt;S.W. James;T.C. Todd

Frequent Co-Authors

George G. Brown
George G. Brown Brazilian Agricultural Research Corporation
Thibaud Decaëns
Thibaud Decaëns University of Montpellier
Mac A. Callaham
Mac A. Callaham US Forest Service
Christer Erséus
Christer Erséus University of Gothenburg
Patrick Lavelle
Patrick Lavelle Sorbonne University
Peter Kille
Peter Kille Cardiff University
Timothy R. Seastedt
Timothy R. Seastedt University of Colorado Boulder
Paul D. N. Hebert
Paul D. N. Hebert University of Guelph
Doyle McKey
Doyle McKey University of Montpellier
Paul F. Hendrix
Paul F. Hendrix University of Georgia

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Related Online Degrees & Career Pathways

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