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Microbiology
Germany
2026
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Biology and Biochemistry
Germany
2023

D-Index & Metrics

Microbiology

D-Index
125
Citations
49665
World Ranking
110
National Ranking
6

Ralf Conrad publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Ralf Conrad sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 367 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Ralf Conrad D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Ralf Conrad sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 125 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Microbiology in Germany Leader Award
  • 2025 - Research.com Microbiology in Germany Leader Award
  • 2023 - Research.com Biology and Biochemistry in Germany Leader Award
  • 2005 - Fellow of American Geophysical Union (AGU)

Overview

Ralf Conrad is affiliated with the Max Planck Society in Germany. Their research primarily focuses on Environmental Science, with a particular emphasis on Environmental Chemistry, Ecology, Molecular Biology, Global and Planetary Change, and Mechanics of Materials as underlying subfields.

The main topics of their work encompass Methane Hydrates and Related Phenomena, Microbial Community Ecology and Physiology, Atmospheric and Environmental Gas Dynamics, Genomics and Phylogenetic Studies, Hydrocarbon Exploration and Reservoir Analysis, Anaerobic Digestion and Biogas Production, and Soil Carbon and Nitrogen Dynamics.

Notable recent papers authored by Ralf Conrad include:

  • "Methane Production in Soil Environments-Anaerobic Biogeochemistry and Microbial Life between Flooding and Desiccation" (2020, Microorganisms)
  • "Complexity of temperature dependence in methanogenic microbial environments" (2023, Frontiers in Microbiology)
  • "Fractionation of stable carbon isotopes during acetate consumption by methanogenic and sulfidogenic microbial communities in rice paddy soils and lake sediments" (2021, Biogeosciences)

Frequent coauthors in their work include Peter Claus, Yang Ji, Yongji Xu, Guangbin Zhang, and Jing Ma, indicating collaborative research activities involving multiple contributors.

Ralf Conrad has published regularly in specific scientific venues such as Biogeosciences, Microorganisms, bioRxiv (Cold Spring Harbor Laboratory), Frontiers in Microbiology, and the Journal of Environmental Management.

In recognition of research contributions, Ralf Conrad was named a Fellow of the American Geophysical Union (AGU) in 2005.

Best Publications

  • Soil microorganisms as controllers of atmospheric trace gases (H2, CO, CH4, OCS, N2O, and NO).

    Ralf Conrad

  • The global methane cycle: recent advances in understanding the microbial processes involved

    Ralf Conrad

  • Contribution of hydrogen to methane production and control of hydrogen concentrations in methanogenic soils and sediments

    R Conrad

  • Bacteria rather than Archaea dominate microbial ammonia oxidation in an agricultural soil

    Zhongjun Jia;Ralf Conrad

  • Methane fluxes show consistent temperature dependence across microbial to ecosystem scales

    Gabriel Yvon-Durocher;Andrew P. Allen;David Bastviken;Ralf Conrad

  • A 3-year continuous record on the influence of daytime, season, and fertilizer treatment on methane emission rates from an Italian rice paddy

    H. Schütz;A. Holzapfel-Pschorn;R. Conrad;H. Rennenberg

  • Processes involved in formation and emission of methane in rice paddies

    Helmut Schütz;Wolfgang Seiler;Ralf Conrad

  • Competition for electron donors among nitrate reducers, ferric iron reducers, sulfate reducers, and methanogens in anoxic paddy soil

    Christof Achtnich;Friedhelm Bak;Ralf Conrad

  • The capacity of hydrogenotrophic anaerobic bacteria to compete for traces of hydrogen depends on the redox potential of the terminal electron acceptor

    Ralf Cord-Ruwisch;Hans-Jürgen Seitz;Ralf Conrad

  • Quantitative Detection of Methanotrophs in Soil by Novel pmoA-Targeted Real-Time PCR Assays

    Steffen Kolb;Claudia Knief;Stephan Stubner;Ralf Conrad

  • Methanogenic archaea are globally ubiquitous in aerated soils and become active under wet anoxic conditions

    Roey Angel;Peter Claus;Ralf Conrad

  • Effects of vegetation on the emission of methane from submerged paddy soil

    A. Holzapfel-Pschorn;R. Conrad;W. Seiler

  • Influence of O2 availability on NO and N2O release by nitrification and denitrification in soils

    Annette Bollmann;Ralf Conrad

  • Diversity, structure, and size of N(2)O-producing microbial communities in soils--what matters for their functioning?

    Gesche Braker;Ralf Conrad

  • Molecular analyses of the methane-oxidizing microbial community in rice field soil by targeting the genes of the 16S rRNA, particulate methane monooxygenase, and methanol dehydrogenase

    Thilo Henckel;Michael Friedrich;Ralf Conrad

  • Methane emission from rice paddies

    W. Seiler;A. Holzapfel-Pschorn;R. Conrad;D. Scharffe

  • Kinetics of CH4 oxidation in oxic soils exposed to ambient air or high CH4 mixing ratios

    Martin Bender;Ralf Conrad

  • Effects of temperature and fertilizer on activity and community structure of soil ammonia oxidizers.

    Sharon Avrahami;Werner Liesack;Ralf Conrad

  • Molecular analyses of methyl-coenzyme M reductase alpha-subunit (mcrA) genes in rice field soil and enrichment cultures reveal the methanogenic phenotype of a novel archaeal lineage.

    Tillmann Lueders;Kuk-Jeong Chin;Ralf Conrad;Michael Friedrich

  • Acetoclastic and hydrogenotrophic methane production and methanogenic populations in an acidic West-Siberian peat bog.

    Oleg R. Kotsyurbenko;Kuk-Jeong Chin;Mikhail V. Glagolev;Stephan Stubner

  • Effect of soil ammonium concentration on N2O release and on the community structure of ammonia oxidizers and denitrifiers.

    Sharon Avrahami;Ralf Conrad;Gesche Braker

  • Effect of CH4 concentrations and soil conditions on the induction of CH4 oxidation activity.

    Martin Bender;Ralf Conrad

  • Production, oxidation and emission of methane in rice paddies

    Annette Holzapfel-Pschorn;Ralf Conrad;Wolfgang Seiler

Frequent Co-Authors

Wolfgang Seiler
Wolfgang Seiler Max Planck Society
Yahai Lu
Yahai Lu Peking University
Michael W. Friedrich
Michael W. Friedrich University of Bremen
Peter Frenzel
Peter Frenzel Max Planck Society
Tillmann Lueders
Tillmann Lueders University of Bayreuth
Zhongjun Jia
Zhongjun Jia Chinese Academy of Sciences
Alex Enrich-Prast
Alex Enrich-Prast Linköping University
Wolf-Rainer Abraham
Wolf-Rainer Abraham Helmholtz Centre for Infection Research
Werner Liesack
Werner Liesack Max Planck Society
Bernhard Schink
Bernhard Schink University of Konstanz

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