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Urmas Kõljalg

Urmas Kõljalg

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Ecology and Evolution
Estonia
2026

D-Index & Metrics

Ecology and Evolution

D-Index
65
Citations
40272
World Ranking
1728
National Ranking
5

Urmas Kõljalg 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 Urmas Kõljalg 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: 142 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Urmas Kõljalg 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 Urmas Kõljalg 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: 65 D-Index — 79th percentile

79% 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 Estonia Leader Award
  • 2025 - Research.com Ecology and Evolution in Estonia Leader Award

Overview

Urmas Kõljalg is affiliated with the University of Tartu in Estonia. Their research focuses primarily on the fields of Agricultural and Biological Sciences, Environmental Science, and Biochemistry, Genetics and Molecular Biology. The work spans several subfields including Plant Science, Ecology, Ecology, Evolution, Behavior and Systematics, Molecular Biology, and Ecological Modeling.

The main research topics covered by Kõljalg include:

  • Mycorrhizal Fungi and Plant Interactions
  • Species Distribution and Climate Change
  • Environmental DNA in Biodiversity Studies
  • Genomics and Phylogenetic Studies
  • Lichen and Fungal Ecology
  • Plant Pathogens and Fungal Diseases
  • Forest Ecology and Biodiversity Studies

Recent publications associated with Kõljalg reflect a focus on fungal taxonomy, biodiversity, and ecological research. These include:

  • The UNITE database for molecular identification and taxonomic communication of fungi and other eukaryotes: sequences, taxa and classifications reconsidered (2023, Nucleic Acids Research)
  • The Taxon Hypothesis Paradigm-On the Unambiguous Detection and Communication of Taxa (2020, Microorganisms)
  • Temperature and pH define the realised niche space of arbuscular mycorrhizal fungi (2021, New Phytologist)
  • Regional-Scale In-Depth Analysis of Soil Fungal Diversity Reveals Strong pH and Plant Species Effects in Northern Europe (2020, Frontiers in Microbiology)
  • Structure and function of the soil microbiome underlying N2O emissions from global wetlands (2022, Nature Communications)

Several frequent co-authors appear alongside Kõljalg, indicating collaborative research efforts in fungal ecology and related areas. These co-authors include:

  • Kessy Abarenkov
  • Leho Tedersoo
  • R. Henrik Nilsson
  • Vladimir Mikryukov
  • Sten Anslan

Publication venues hosting Kõljalg's work show a concentration in biodiversity and fungal systematics, with multiple contributions to:

  • Biodiversity Information Science and Standards
  • Research Ideas and Outcomes
  • Fungal Systematics and Evolution
  • Fungal Diversity
  • Nucleic Acids Research

Best Publications

  • Nuclear ribosomal internal transcribed spacer (ITS) region as a universal DNA barcode marker for Fungi

    Conrad L. Schoch;Keith A. Seifert;Sabine Huhndorf;Vincent Robert

  • Towards a unified paradigm for sequence-based identification of fungi

    Urmas Koljalg;Urmas Koljalg;R. Henrik Nilsson;Kessy Abarenkov;Leho Tedersoo

  • Global diversity and geography of soil fungi

    Leho Tedersoo;Mohammad Bahram;Sergei Põlme;Urmas Kõljalg

  • The UNITE database for molecular identification of fungi: handling dark taxa and parallel taxonomic classifications.

    Rolf Henrik Nilsson;Karl Henrik Larsson;Andy F.S. Taylor;Johan Bengtsson-Palme;Johan Bengtsson-Palme

  • A higher-level phylogenetic classification of the Fungi

    David S Hibbett;Manfred Binder;Joseph F Bischoff;Meredith Blackwell

  • The UNITE database for molecular identification of fungi - recent updates and future perspectives

    Kessy Abarenkov;R. Henrik Nilsson;R. Henrik Nilsson;Karl‐Henrik Larsson;Ian J. Alexander

  • UNITE: a database providing web-based methods for the molecular identification of ectomycorrhizal fungi

    Urmas Kõljalg;Karl-Henrik Larsson;Kessy Abarenkov;R. Henrik Nilsson

  • FungalTraits: a user-friendly traits database of fungi and fungus-like stramenopiles

    Sergei Põlme;Sergei Põlme;Kessy Abarenkov;R. Henrik Nilsson;Björn D. Lindahl

  • Fungal community analysis by high-throughput sequencing of amplified markers - a user's guide

    Björn D. Lindahl;R. Henrik Nilsson;Leho Tedersoo;Kessy Abarenkov

  • Taxonomic reliability of DNA sequences in public sequence databases: a fungal perspective.

    R. Henrik Nilsson;Martin Ryberg;Erik Kristiansson;Kessy Abarenkov

  • High-level classification of the Fungi and a tool for evolutionary ecological analyses

    Leho Tedersoo;Leho Tedersoo;Leho Tedersoo;Santiago Sánchez-Ramírez;Urmas Kõljalg;Urmas Kõljalg;Mohammad Bahram;Mohammad Bahram

  • 454 Pyrosequencing and Sanger sequencing of tropical mycorrhizal fungi provide similar results but reveal substantial methodological biases

    Leho Tedersoo;Leho Tedersoo;R. Henrik Nilsson;R. Henrik Nilsson;Kessy Abarenkov;Teele Jairus

  • Shotgun metagenomes and multiple primer pair-barcode combinations of amplicons reveal biases in metabarcoding analyses of fungi

    Leho Tedersoo;Sten Anslan;Mohammad Bahram;Sergei Põlme

  • Strong host preference of ectomycorrhizal fungi in a Tasmanian wet sclerophyll forest as revealed by DNA barcoding and taxon‐specific primers

    Leho Tedersoo;Leho Tedersoo;Teele Jairus;Teele Jairus;Bryony M. Horton;Kessy Abarenkov

  • The Amsterdam Declaration on Fungal Nomenclature

    David L. Hawksworth;David L. Hawksworth;Pedro W. Crous;Scott A. Redhead;Don R. Reynolds

  • Towards global patterns in the diversity and community structure of ectomycorrhizal fungi

    Leho Tedersoo;Leho Tedersoo;Mohammad Bahram;Märt Toots;Abdala G. Diédhiou

  • Fine scale distribution of ectomycorrhizal fungi and roots across substrate layers including coarse woody debris in a mixed forest

    Leho Tedersoo;Urmas Kõljalg;Nils Hallenberg;Karl‐Henrik Larsson

  • Finding needles in haystacks: Linking scientific names, reference specimens and molecular data for Fungi

    Conrad L. Schoch;Barbara Robbertse;Vincent Robert;Duong Vu

  • Bacteria, molds, and toxins in water-damaged building materials

    M A Andersson;M Nikulin;U Köljalg;M C Andersson

  • Regional and local patterns of ectomycorrhizal fungal diversity and community structure along an altitudinal gradient in the Hyrcanian forests of northern Iran.

    Mohammad Bahram;Sergei Põlme;Sergei Põlme;Urmas Kõljalg;Urmas Kõljalg;Shahin Zarre

Frequent Co-Authors

Leho Tedersoo
Leho Tedersoo University of Tartu
Kessy Abarenkov
Kessy Abarenkov University of Tartu
Karl-Henrik Larsson
Karl-Henrik Larsson University of Oslo
Mohammad Bahram
Mohammad Bahram Swedish University of Agricultural Sciences
R. Henrik Nilsson
R. Henrik Nilsson University of Gothenburg
Andy F. S. Taylor
Andy F. S. Taylor University of Aberdeen
József Geml
József Geml Hungarian Academy of Sciences
Gareth W. Griffith
Gareth W. Griffith Aberystwyth University
Rasmus Kjøller
Rasmus Kjøller University of Copenhagen
Tom W. May
Tom W. May Royal Botanic Gardens

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