World's Best Scientists 2026 revealed!
Mehrdad Hajibabaei

Mehrdad Hajibabaei

D-Index & Metrics

Ecology and Evolution

D-Index
63
Citations
25583
World Ranking
1916
National Ranking
121

Mehrdad Hajibabaei 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 Mehrdad Hajibabaei 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: 188 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Mehrdad Hajibabaei 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 Mehrdad Hajibabaei 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: 63 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Overview

Mehrdad Hajibabaei is affiliated with the University of Guelph in Canada. Their research primarily focuses on Environmental Science and Biochemistry, Genetics and Molecular Biology, with significant contributions in several related subfields.

The main fields of study for this scientist include:

  • Environmental Science
  • Biochemistry, Genetics and Molecular Biology

Subfields of study involving their work cover:

  • Ecology
  • Molecular Biology
  • Ecological Modeling
  • Ecology, Evolution, Behavior and Systematics
  • Nature and Landscape Conservation

Their research topics are diverse and include:

  • Environmental DNA in Biodiversity Studies
  • Microbial Community Ecology and Physiology
  • Identification and Quantification in Food
  • Genomics and Phylogenetic Studies
  • Species Distribution and Climate Change
  • Protist diversity and phylogeny
  • Forest Ecology and Biodiversity Studies

Mehrdad Hajibabaei has contributed papers published in various venues, including prominent journals and repositories such as bioRxiv, PLoS ONE, Frontiers in Ecology and Evolution, and Molecular Ecology Resources. Some of the recent notable publications include:

  • Metabarcoding From Microbes to Mammals: Comprehensive Bioassessment on a Global Scale (2020, Frontiers in Ecology and Evolution)
  • Key Questions for Next-Generation Biomonitoring (2020, Frontiers in Environmental Science)
  • Harnessing the power of eDNA metabarcoding for the detection of deep-sea fishes (2020, PLoS ONE)
  • DNA metabarcoding reveals metacommunity dynamics in a threatened boreal wetland wilderness (2020, Proceedings of the National Academy of Sciences)
  • A pile of pipelines: An overview of the bioinformatics software for metabarcoding data analyses (2023, Molecular Ecology Resources)

Frequent publication venues where Hajibabaei's work appears include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • PLoS ONE
  • Frontiers in Ecology and Evolution
  • Molecular Ecology Resources
  • Scientific Reports

The scientist's collaborations involve several frequent co-authors, including:

  • Teresita M. Porter
  • Michael Wright
  • Donald J. Baird
  • Nicole Fahner
  • Zacchaeus G. Compson

In addition to journal articles, Hajibabaei has contributed to book publications, such as the title A Next-Generation of Biomonitoring to Detect Global Ecosystem Change published by Frontiers Media in 2020.

Best Publications

  • A DNA barcode for land plants.

    Peter M. Hollingsworth;Laura L. Forrest;John L. Spouge

  • DNA barcodes distinguish species of tropical Lepidoptera

    Mehrdad Hajibabaei;Daniel H. Janzen;John M. Burns;Winnie Hallwachs

  • Environmental DNA: ENVIRONMENTAL DNA

    Pierre Taberlet;Eric Coissac;Mehrdad Hajibabaei;Loren H. Rieseberg

  • DNA barcoding: how it complements taxonomy, molecular phylogenetics and population genetics

    Mehrdad Hajibabaei;Gregory A.C. Singer;Paul D.N. Hebert;Donal A. Hickey

  • Next-generation sequencing technologies for environmental DNA research.

    Shadi Shokralla;Jennifer L. Spall;Joel F. Gibson;Mehrdad Hajibabaei

  • Multiple Multilocus DNA Barcodes from the Plastid Genome Discriminate Plant Species Equally Well

    Aron J. Fazekas;Kevin S. Burgess;Prasad R. Kesanakurti;Sean W. Graham

  • A universal DNA mini-barcode for biodiversity analysis

    Isabelle Meusnier;Gregory A C Singer;Jean-François Landry;Donal A Hickey

  • A minimalist barcode can identify a specimen whose DNA is degraded

    Mehrdad Hajibabaei;M. Alex Smith;Daniel H. Janzen;Josephine J. Rodriguez

  • Environmental barcoding: a next-generation sequencing approach for biomonitoring applications using river benthos.

    Mehrdad Hajibabaei;Shadi Shokralla;Xin Zhou;Gregory A. C. Singer

  • Biological identifications through DNA barcodes: the case of the Crustacea

    L. Filipe O. Costa;Jeremy R. deWaard;James Boutillier;Sujeevan Ratnasingham

  • Genomics and the challenging translation into conservation practice

    Aaron B. A. Shafer;Jochen B. W. Wolf;Paulo C. Alves;Linnea Bergstrom

  • Biomonitoring 2.0: a new paradigm in ecosystem assessment made possible by next‐generation DNA sequencing

    Donald J. Baird;Mehrdad Hajibabaei

  • Assembling DNA Barcodes

    Jeremy R. deWaard;Natalia V. Ivanova;Mehrdad Hajibabaei;Paul D. N. Hebert

  • Wedding biodiversity inventory of a large and complex Lepidoptera fauna with DNA barcoding

    Daniel H Janzen;Mehrdad Hajibabaei;John M Burns;Winnie Hallwachs

  • Integration of DNA Barcoding Into An Ongoing Inventory of Complex Tropical Biodiversity

    Daniel H. Janzen;Winnie Hallwachs;Patrick Blandin;John M. Burns

  • Are plant species inherently harder to discriminate than animal species using DNA barcoding markers

    Aron J. Fazekas;Prasad R. Kesanakurti;Kevin S. Burgess;Diana M. Percy

  • Annual time-series analysis of aqueous eDNA reveals ecologically relevant dynamics of lake ecosystem biodiversity

    Iliana Bista;Gary R. Carvalho;Kerry Walsh;Mathew Seymour

  • Simultaneous assessment of the macrobiome and microbiome in a bulk sample of tropical arthropods through DNA metasystematics

    Joel Gibson;Shadi Shokralla;Shadi Shokralla;Teresita M. Porter;Ian King

  • Validation of COI metabarcoding primers for terrestrial arthropods

    Vasco Elbrecht;Thomas W.A. Braukmann;Natalia V. Ivanova;Sean W.J. Prosser

  • DNA barcodes and cryptic species of skipper butterflies in the genus Perichares in Area de Conservación Guanacaste, Costa Rica

    John M. Burns;Daniel H. Janzen;Mehrdad Hajibabaei;Winnie Hallwachs

  • Scaling up: A guide to high-throughput genomic approaches for biodiversity analysis.

    Teresita M. Porter;Teresita M. Porter;Mehrdad Hajibabaei

Frequent Co-Authors

Daniel H. Janzen
Daniel H. Janzen University of Pennsylvania
Winnie Hallwachs
Winnie Hallwachs University of Pennsylvania
Paul D. N. Hebert
Paul D. N. Hebert University of Guelph
Donald J. Baird
Donald J. Baird University of New Brunswick
Brian C. Husband
Brian C. Husband University of Guelph
Sean W. Graham
Sean W. Graham University of British Columbia
Spencer C. H. Barrett
Spencer C. H. Barrett University of Toronto
M. Alex Smith
M. Alex Smith University of Guelph
Xin Zhou
Xin Zhou China Agricultural University
Jan Pawlowski
Jan Pawlowski Heidelberg University

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Related Online Degrees & Career Pathways

A foundation in Ecology and Evolution can open doors to a wide range of interdisciplinary careers. If you’re interested in understanding human behavior alongside environmental science, a fast track masters in psychology could provide the skills needed to study behavioral adaptation in both people and animals.

Graduates might also pursue roles in community health or educational settings. For those drawn to mental health advocacy, an online masters mental health counseling can prepare you to support individuals affected by environmental change or trauma.

The intersection between biology and law offers further opportunities. By building on your science background, you could explore what can you do with a masters in forensic psychology, including roles involving environmental crime or wildlife protection.

Finally, those who wish to make a difference in youth wellness may consider a masters in child psychology. This degree can complement ecological studies by focusing on how environmental factors impact child and adolescent development.

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