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Tilmann Harder

Tilmann Harder

University of Bremen
Germany

D-Index & Metrics

Ecology and Evolution

D-Index
40
Citations
6157
World Ranking
6132
National Ranking
324

Tilmann Harder 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 Tilmann Harder 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: 103 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Tilmann Harder 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 Tilmann Harder 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: 40 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Tilmann Harder is affiliated with the University of Bremen in Germany. Their research focuses extensively on environmental science and earth and planetary sciences, with significant contributions in the subfields of ecology, oceanography, molecular biology, global and planetary change, and pollution.

The scientist's work addresses multiple main topics related to marine systems, including:

  • Microbial community ecology and physiology
  • Marine and coastal ecosystems
  • Protist diversity and phylogeny
  • Coral and marine ecosystems studies
  • Marine biology and ecology research
  • Marine bivalve and aquaculture studies
  • Marine and coastal plant biology

Harder has several recent publications highlighting various aspects of marine ecology and microbial interactions. Notable papers include:

  • Laminarin is a major molecule in the marine carbon cycle, 2020, Proceedings of the National Academy of Sciences
  • Niche-based assembly of bacterial consortia on the diatom Thalassiosira rotula is stable and reproducible, 2020, The ISME Journal
  • A community perspective on the concept of marine holobionts: current status, challenges, and future directions, 2021, PeerJ
  • Past and Future Grand Challenges in Marine Ecosystem Ecology, 2020, Frontiers in Marine Science
  • Crystalline iron oxides stimulate methanogenic benzoate degradation in marine sediment-derived enrichment cultures, 2020, The ISME Journal

The scientist collaborates frequently with several researchers, including:

  • Jan Tebben
  • Sylke Wohlrab
  • Boris Koch
  • Kai-Uwe Hinrichs
  • Jakob K. Giesler

Their publications have appeared repeatedly in certain venues, reflecting areas of focus and research communities, such as:

  • The ISME Journal
  • Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Proceedings of the National Academy of Sciences
  • PeerJ

Best Publications

  • The seaweed holobiont: Understanding seaweed-bacteria interactions

    Suhelen Egan;Tilmann Harder;Catherine Burke;Peter Steinberg;Peter Steinberg

  • Marine biofilms as mediators of colonization by marine macroorganisms: implications for antifouling and aquaculture.

    Peiyuan Qian;Stanley C.K. Lau;Stanley C.K. Lau;Hans-Uwe Dahms;Sergey Dobretsov;Sergey Dobretsov

  • Epibacterial community patterns on marine macroalgae are host-specific but temporally variable.

    Tim Lachnit;Tim Lachnit;Diana Meske;Martin Wahl;Tilmann Harder

  • Induction of larval metamorphosis of the coral Acropora millepora by tetrabromopyrrole isolated from a Pseudoalteromonas bacterium.

    Jan Tebben;Dianne M. Tapiolas;Cherie A. Motti;David Abrego

  • Chemical mediation of coral larval settlement by crustose coralline algae

    Jan Tebben;C. A Motti;Nahshon Siboni;D. M. Tapiolas

  • Climate change and disease: bleaching of a chemically defended seaweed

    Alexandra H. Campbell;Tilmann Harder;Shaun Nielsen;Staffan Kjelleberg

  • Laminarin is a major molecule in the marine carbon cycle

    Stefan Becker;Stefan Becker;Jan Tebben;Sarah Coffinet;Karen Helen Wiltshire

  • A distinctive epibiotic bacterial community on the soft coral Dendronephthya sp. and antibacterial activity of coral tissue extracts suggest a chemical mechanism against bacterial epibiosis.

    Tilmann Harder;Stanley C K Lau;Sergey Dobretsov;Tsz K. Fang

  • Energy content at metamorphosis and growth rate of the early juvenile barnacle Balanus amphitrite

    Vengatesen Thiyagarajan;Tilmann Harder;Jianwen Qiu;Jianwen Qiu;Peiyuan Qian

  • Extracts of Ceramium rubrum, Mastocarpus stellatus and Laminaria digitata inhibit growth of marine and fish pathogenic bacteria at ecologically realistic concentrations

    Donata Dubber;Tilmann Harder

  • Marine Epibiosis: Concepts, Ecological Consequences and Host Defence

    Tilmann Harder

  • Combined effects of temperature and salinity on larval development and attachment of the subtidal barnacle Balanus trigonus Darwin

    Vengatesen Thiyagarajan;Tilmann Harder;Pei-Yuan Qian

  • Induction of larval settlement in the polychaete Hydroides elegans by marine biofilms: an investigation of monospecific diatom films as settlement cues

    Tilmann Harder;Cindy Lam;Pei-Yuan Qian

  • Compounds associated with algal surfaces mediate epiphytic colonization of the marine macroalga Fucus vesiculosus

    Tim Lachnit;Matthias Fischer;Sven Künzel;John F. Baines

  • Tough Adults, Frail Babies: An Analysis of Stress Sensitivity across Early Life-History Stages of Widely Introduced Marine Invertebrates

    M. Carmen Pineda;Christopher D. McQuaid;Xavier Turon;Susanna López-Legentil

  • Identification of the Antibacterial Compound Produced by the Marine Epiphytic Bacterium Pseudovibrio sp. D323 and Related Sponge-Associated Bacteria

    Anahit Penesyan;Jan Tebben;Matthew Lee;Torsten Thomas

  • Isolated thallus-associated compounds from the macroalga Fucus vesiculosus mediate bacterial surface colonization in the field similar to that on the natural alga

    Tim Lachnit;Martin Wahl;Tilmann Harder

  • Waterborne polar macromolecules act as algal antifoulants in the seaweed Ulva reticulata

    Tilmann Harder;Sergey Dobretsov;Pei Yuan Qian

  • Induction of larval settlement in the serpulid polychaete Hydroides elegans (Haswell): role of bacterial extracellular polymers.

    Stanley C K Lau;Tilmann Harder;Pei‐Yuan Qian

  • Niche-based assembly of bacterial consortia on the diatom Thalassiosira rotula is stable and reproducible

    Julian Mönnich;Jan Tebben;Jennifer Bergemann;Rebecca Case;Rebecca Case

  • A community perspective on the concept of marine holobionts: current status, challenges, and future directions

    Simon M. Dittami;Enrique Arboleda;Jean Christophe Auguet;Arite Bigalke

  • Isolation of bacterial metabolites as natural inducers for larval settlement in the marine polychaete Hydroides elegans (Haswell).

    Tilmann Harder;Stanley Chun Kwan Lau;Hans-Uwe Dahms;Pei-Yuan Qian

Frequent Co-Authors

Pei-Yuan Qian
Pei-Yuan Qian Hong Kong University of Science and Technology
Peter D. Steinberg
Peter D. Steinberg University of New South Wales
Sergey Dobretsov
Sergey Dobretsov Sultan Qaboos University
Vengatesen Thiyagarajan
Vengatesen Thiyagarajan University of Hong Kong
Fabrice Not
Fabrice Not Roscoff Marine Station
Staffan Kjelleberg
Staffan Kjelleberg Nanyang Technological University
Ezequiel M. Marzinelli
Ezequiel M. Marzinelli University of New South Wales
Stefan Becker
Stefan Becker Max Planck Society
Kai-Uwe Hinrichs
Kai-Uwe Hinrichs University of Bremen
Shinichi Sunagawa
Shinichi Sunagawa Swiss Institute of Bioinformatics

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Related Online Degrees & Career Pathways

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Whether you combine Ecology with psychology or specialize in one area, there are diverse online degree pathways to match your goals in research, counseling, and the environmental sciences.

Best Scientists Citing Tilmann Harder

Pei-Yuan Qian

Pei-Yuan Qian

Hong Kong University of Science and Technology

Publications: 122

Sergey Dobretsov

Sergey Dobretsov

Sultan Qaboos University

Publications: 49

Peter D. Steinberg

Peter D. Steinberg

University of New South Wales

Publications: 41

David G. Bourne

David G. Bourne

James Cook University

Publications: 39

Ying Xu

Ying Xu

Shenzhen University

Publications: 33

Torsten Thomas

Torsten Thomas

University of New South Wales

Publications: 33

Vengatesen Thiyagarajan

Vengatesen Thiyagarajan

University of Hong Kong

Publications: 30

Martin Wahl

Martin Wahl

GEOMAR Helmholtz Centre for Ocean Research Kiel

Publications: 27

Nicole S. Webster

Nicole S. Webster

University of Queensland

Publications: 26

Staffan Kjelleberg

Staffan Kjelleberg

Nanyang Technological University

Publications: 21

Chang-Lun Shao

Chang-Lun Shao

Ocean University of China

Publications: 21

Florian Weinberger

Florian Weinberger

Centre national de la recherche scientifique, CNRS

Publications: 18

Mike S. M. Jetten

Mike S. M. Jetten

Radboud University

Publications: 18

Manfred Rohde

Manfred Rohde

Helmholtz Centre for Infection Research

Publications: 18

Dan Rittschof

Dan Rittschof

Duke University

Publications: 17

Ezequiel M. Marzinelli

Ezequiel M. Marzinelli

University of New South Wales

Publications: 17

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