World's Best Scientists 2026 revealed!
D. James Harris

D. James Harris

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Ecology and Evolution
Portugal
2026

D-Index & Metrics

Ecology and Evolution

D-Index
62
Citations
15536
World Ranking
2057
National Ranking
7

D. James Harris publications per year

1986: 1 publications 1987: 1 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 1 publications 1994: 0 publications 1995: 2 publications 1996: 1 publications 1997: 2 publications 1998: 3 publications 1999: 4 publications 2000: 8 publications 2001: 5 publications 2002: 4 publications 2003: 7 publications 2004: 4 publications 2005: 10 publications 2006: 13 publications 2007: 15 publications 2008: 13 publications 2009: 17 publications 2010: 12 publications 2011: 21 publications 2012: 22 publications 2013: 24 publications 2014: 19 publications 2015: 11 publications 2016: 18 publications 2017: 14 publications 2018: 14 publications 2019: 17 publications 2020: 15 publications 2021: 16 publications 2022: 12 publications 2023: 13 publications 2024: 11 publications 2025: 9 publications 2026: 2 publications
1986 2026

361 publications in total across all disciplines

D. James Harris 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 D. James Harris 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: 321 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

D. James Harris 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 D. James Harris 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: 62 D-Index — 76th percentile

76% 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

  • 2026 - Research.com Ecology and Evolution in Portugal Leader Award
  • 2025 - Research.com Ecology and Evolution in Portugal Leader Award
  • 1962 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

D. James Harris is affiliated with the University of Porto in Portugal. Their research spans multiple disciplines, primarily within environmental science, immunology and microbiology, and biochemistry, genetics, and molecular biology. Their work incorporates various subfields such as parasitology, genetics, global and planetary change, ecological modeling, and ecology.

The scientist's research topics cover a wide range of biological and ecological areas, including amphibian and reptile biology, species distribution and climate change, vector-borne infectious diseases, bird parasitology and diseases, genetic diversity and population structure, turtle biology and conservation, and studies related to Yersinia bacterium, plague, and ectoparasites.

Frequent collaborators in their work include Ana Perera, Daniele Salvi, Isabel Damas-Moreira, Raquel Xavier, and J. Filipe Faria.

Among the journals and publication venues where D. James Harris frequently publishes are:

  • Herpetozoa
  • Molecular Phylogenetics and Evolution
  • Behavioral Ecology and Sociobiology
  • Diversity
  • PLoS ONE

Significant recent publications include:

  • "Extensive introgression and mosaic genomes of Mediterranean endemic lizards," 2021, Nature Communications
  • "Getting ahead: exploitative competition by an invasive lizard," 2020, Behavioral Ecology and Sociobiology
  • "Conservation status of the world's skinks (Scincidae): Taxonomic and geographic patterns in extinction risk," 2021, Biological Conservation
  • "Treatment and Prevention of Cardiovascular Implantable Electronic Device (CIED) Infections," 2022, CJC Open
  • "Fossil-calibrated time tree of Podarcis wall lizards provides limited support for biogeographic calibration models," 2021, Molecular Phylogenetics and Evolution

D. James Harris has also been recognized with the award of Fellow of the American Association for the Advancement of Science (AAAS) in 1962.

Best Publications

  • Averting biodiversity collapse in tropical forest protected areas

    William F. Laurance;William F. Laurance;D. Carolina Useche;Julio Rendeiro;Margareta Kalka

  • Asynchronous carbon sink saturation in African and Amazonian tropical forests

    Wannes Hubau;Wannes Hubau;Wannes Hubau;Simon L. Lewis;Simon L. Lewis;Oliver L. Phillips;Kofi Affum-Baffoe

  • Above-ground biomass and structure of 260 African tropical forests.

    Simon L. Lewis;Simon L. Lewis;Bonaventure Sonké;Terry Sunderland;Serge K. Begne;Serge K. Begne

  • Cyanobacterial hydrogenases: diversity, regulation and applications

    Paula Tamagnini;Paula Tamagnini;Elsa Leitão;Paulo Oliveira;Daniela Ferreira;Daniela Ferreira

  • Diversity and carbon storage across the tropical forest biome

    Martin J. P. Sullivan;Joey Talbot;Simon L. Lewis;Simon L. Lewis;Oliver L. Phillips

  • Intragenomic Variation Within ITS1 and ITS2 of Freshwater Crayfishes (Decapoda: Cambaridae): Implications for Phylogenetic and Microsatellite Studies

    D. James Harris;Keith A. Crandall

  • Long-term thermal sensitivity of Earth’s tropical forests

    Martin J.P. Sullivan;Martin J.P. Sullivan;Simon L. Lewis;Simon L. Lewis;Kofi Affum-Baffoe;Carolina Castilho

  • Can you bank on GenBank

    D. James Harris

  • The monophyletic origin of freshwater crayfish estimated from nuclear and mitochondrial DNA sequences

    Keith A. Crandal;D. James Harris;James W. Fetzner

  • Relationships of lacertid lizards (Reptilia: Lacertidae) estimated from mitochondrial DNA sequences and morphology

    Unknown

  • Exploring the floristic diversity of tropical Africa

    Marc S.M. Sosef;Gilles Dauby;Gilles Dauby;Anne Blach-Overgaard;Xander van der Burgt

  • DNA barcoding reveals cryptic diversity in marine hydroids (Cnidaria, Hydrozoa) from coastal and deep-sea environments

    Carlos J. Moura;David J. Harris;Marina R. Cunha;Alex D. Rogers

  • Ancient introgression of Lepus timidus mtDNA into L. granatensis and L. europaeus in the Iberian Peninsula.

    P.C. Alves;N. Ferrand;F. Suchentrunk;D.J. Harris

  • RAINBIO: a mega-database of tropical African vascular plants distributions.

    Gilles Dauby;Rainer Zaiss;Anne Blach-Overgaard;Luís Catarino

  • Phylogenetic classification of the world's tropical forests

    J. W.Ferry Slik;Janet Franklin;Víctor Arroyo-Rodríguez;Richard Field

  • Environmental temperatures shape thermal physiology as well as diversification and genome-wide substitution rates in lizards

    Joan Garcia-Porta;Iker Irisarri;Martin Kirchner;Ariel Rodríguez

  • Cradles and museums of generic plant diversity across tropical Africa

    Léo-Paul M J Dagallier;Steven B Janssens;Gilles Dauby;Anne Blach-Overgaard

  • When cryptic diversity blurs the picture: a cautionary tale from Iberian and North African Podarcis wall lizards

    Antigoni Kaliontzopoulou;Catarina Pinho;D. James Harris;Miguel A. Carretero

  • Cryptic Speciation Patterns in Iranian Rock Lizards Uncovered by Integrative Taxonomy

    Faraham Ahmadzadeh;Morris Flecks;Miguel A. Carretero;Omid Mozaffari

  • Complex biogeographical distribution of genetic variation within Podarcis wall lizards across the Strait of Gibraltar

    D. J. Harris;S. Carranza;E. N. Arnold;C. Pinho

  • Complex estimates of evolutionary relationships in Tarentola mauritanica (Reptilia: Gekkonidae) derived from mitochondrial DNA sequences

    D. James Harris;Vasco Batista;Petros Lymberakis;Miguel A. Carretero

  • Phylogeography of the lacertid lizard, Psammodromus algirus, in Iberia and across the Strait of Gibraltar

    S. Carranza;D. J. Harris;E. N. Arnold;V. Batista

  • Reexamination of the Iberian and North African Podarcis (Squamata: Lacertidae) phylogeny based on increased mitochondrial DNA sequencing.

    Catarina Pinho;Nuno Ferrand;D. James Harris

  • Non-equilibrium estimates of gene flow inferred from nuclear genealogies suggest that Iberian and North African wall lizards (Podarcis spp.) are an assemblage of incipient species.

    Catarina Pinho;D James Harris;Nuno Ferrand

  • Deciphering patterns of transoceanic dispersal: the evolutionary origin and biogeography of coastal lizards (Cryptoblepharus) in the Western Indian Ocean region

    Sara Rocha;Miguel A. Carretero;Miguel Vences;Frank Glaw

Frequent Co-Authors

Miguel A. Carretero
Miguel A. Carretero University of Porto
Salvador Carranza
Salvador Carranza Pompeu Fabra University
José Carlos Brito
José Carlos Brito University of Porto
David Posada
David Posada Universidade de Vigo
Miguel Vences
Miguel Vences Technische Universität Braunschweig
Nuno Ferrand
Nuno Ferrand University of Porto
Frank Glaw
Frank Glaw University of Bonn
Elsa Froufe
Elsa Froufe University of Porto
Wolfgang Böhme
Wolfgang Böhme Leibniz Association
Paulo C. Alves
Paulo C. Alves University of Porto

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