World's Best Scientists 2026 revealed!
VIEW LIST
Dittmar Hahn

D-Index & Metrics

Biology and Biochemistry

D-Index
42
Citations
6782
World Ranking
19490
National Ranking
7947

Dittmar Hahn publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Dittmar Hahn sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 122 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Dittmar Hahn D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Dittmar Hahn sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 42 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Dittmar Hahn is affiliated with Texas State University in the United States and conducts research primarily in Agricultural and Biological Sciences. Their scholarly work spans various subfields including Plant Science, Ecology, Molecular Biology, Epidemiology, and Microbiology. The focus of their research involves topics such as Legume Nitrogen Fixing Symbiosis, Plant nutrient uptake and metabolism, Plant Disease Resistance and Genetics, Genomics and Phylogenetic Studies, Agronomic Practices and Intercropping Systems, Mycobacterium research and diagnosis, and Infectious Diseases and Mycology.

The scientist has published extensively, with notable recent papers including:

  • "Rational Selection of Mixed Yeasts Starters for Agave Must Fermentation," 2021, Frontiers in Sustainable Food Systems
  • "Identification of Blood Parasites in Individuals from Six Families of Freshwater Turtles," 2020, Chelonian Conservation and Biology
  • "Draft genomes of non-nitrogen-fixing Frankia strains," 2021, Journal of Genomics
  • "Competition of two inoculated Frankia strains in root nodulation of Alnus glutinosa seedlings and associated Frankia-strain growth in rhizospheric and non-rhizospheric soils," 2022, Plant and Soil
  • "Effect of different Alnus taxa on abundance and diversity of introduced and indigenous Frankia in soils and root nodules," 2022, FEMS Microbiology Ecology

The most frequent publication venues for their work include:

  • Journal of Genomics
  • Journal of Wildlife Diseases
  • INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
  • Frontiers in Sustainable Food Systems
  • Plant and Soil

Throughout their career, Dittmar Hahn has collaborated regularly with several co-authors. The most frequent collaborators are:

  • Trina Guerra
  • Spandana Vemulapally
  • Michael R. J. Forstner
  • Philippe Normand
  • Camila Carlos-Shanley

Best Publications

  • Dehalobacter restrictus gen. nov. and sp. nov., a strictly anaerobic bacterium that reductively dechlorinates tetra- and trichloroethene in an anaerobic respiration

    Christof Holliger;Dittmar Hahn;Hermie Harmsen;Wolfgang Ludwig

  • Enrichment, Phylogenetic Analysis and Detection of a Bacterium That Performs Enhanced Biological Phosphate Removal in Activated Sludge

    R. P. X. Hesselmann;C. Werlen;D. Hahn;J. R. Van Der Meer

  • Analysis of bacterial communities in heavy metal-contaminated soils at different levels of resolution

    Ruth-Anne Sandaa;Vigdis Torsvik;Øivind Enger;Frida Lise Daae

  • Detection of micro-organisms in soil after in situ hybridization with rRNA-targeted, fluorescently labelled oligonucleotides.

    Dittmar Hahn;Rudolf I. Amann;Wolfgang Ludwig;Antoon D. L. Akkermans

  • Analysis of bacterial community structure in bulk soil by in situ hybridization

    Boris Zarda;D. Hahn;Antonis Chatzinotas;Wilhelm Schönhuber

  • In situ analysis of denitrifying toluene- and m-xylene-degrading bacteria in a diesel fuel-contaminated laboratory aquifer column.

    A Hess;B Zarda;D Hahn;A Häner

  • Characterization and identification of numerically abundant culturable bacteria from the anoxic bulk soil of rice paddy microcosms.

    Kuk-Jeong Chin;Dittmar Hahn;Ulf Hengstmann;Werner Liesack

  • Vertical distribution of methanogens in the anoxic sediment of Rotsee (Switzerland).

    K. Zepp Falz;C. Holliger;R. Großkopf;W. Liesack

  • Origins and fate of fungi and bacteria in the gut of Lumbricus terrestris L. studied by image analysis

    Frank Schönholzer;Dittmar Hahn;Josef Zeyer

  • Interactions among plant species and microorganisms in salt marsh sediments.

    David J. Burke;Erik P. Hamerlynck;Dittmar Hahn;Dittmar Hahn

  • Automated image analysis and in situ hybridization as tools to study bacterial populations in food resources, gut and cast of Lumbricus terrestris L.

    Frank Schönholzer;Dittmar Hahn;Dittmar Hahn;Dittmar Hahn;Boris Zarda;Josef Zeyer

  • In situ analysis of the bacterial community in the gut of the earthworm Lumbricus terrestris L. by whole-cell hybridization

    Kathrin Fischer;Dittmar Hahn;Otto Daniel;Josef Zeyer

  • Differential enumeration and in situ localization of microorganisms in the hindgut of the lower termite mastotermes darwiniensis by hybridization with rRNA-targeted probes

    M. Berchtold;A. Chatzinotas;Wilhelm Schönhuber;A. Brune

  • Evidence for a Close Phylogenetic Relationship Between Members of the Genera Frankia, Geodermatophilus, and “Blastococcus” and Emdendation of the Family Frankiaceae

    Dittmar Hahn;Mary P. Lechevalier;Angelika Fischer;Erko Stackebrandt

  • Variable compatibility of cloned Alnus glutinosa ecotypes against ineffective Frankia strains.

    D. Hahn;M.J.C. Starrenburg;A.D.L. Akkermans

  • Extraction of ribosomal RNA from soil for detection of Frankia with oligonucleotide probes.

    D. Hahn;R. Kester;M. J. C. Starrenburg;A. D. L. Akkermans

  • Detection of mRNA in streptomyces cells by whole-cell hybridization with digoxigenin-labeled probes.

    Dittmar Hahn;Rudolf I. Amann;Josef Zeyer

  • Analysis of bacterial and protozoan communities in an aquifer contaminated with monoaromatic hydrocarbons

    Boris Zarda;Geoffrey Mattison;Annatina Hess;Dittmar Hahn

  • Spatio-temporal distribution of phototrophic sulfur bacteria in the chemocline of meromictic Lake Cadagno (Switzerland).

    Mauro Tonolla;Sandro Peduzzi;Sandro Peduzzi;Dittmar Hahn;Raffaele Peduzzi

  • Whole-Cell Hybridization of Frankia Strains with Fluorescence- or Digoxigenin-Labeled, 16S rRNA-Targeted Oligonucleotide Probes.

    Dittmar Hahn;Rudolf I. Amann;Josef Zeyer

Frequent Co-Authors

Josef Zeyer
Josef Zeyer ETH Zurich
Jeffrey O. Dawson
Jeffrey O. Dawson University of Illinois at Urbana-Champaign
Rudolf Amann
Rudolf Amann Max Planck Institute for Marine Microbiology
Antoon D. L. Akkermans
Antoon D. L. Akkermans Wageningen University & Research
Wolfgang Ludwig
Wolfgang Ludwig Claude Bernard University Lyon 1
Mark W. Paschke
Mark W. Paschke Colorado State University
Patrick Höhener
Patrick Höhener Aix-Marseille University
Werner Liesack
Werner Liesack Max Planck Society
Alexander J. B. Zehnder
Alexander J. B. Zehnder Swiss Federal Institute of Aquatic Science and Technology
Christof Holliger
Christof Holliger École Polytechnique Fédérale de Lausanne

External Links

Personal website of Dittmar Hahn

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Dittmar Hahn

Rudolf Amann

Rudolf Amann

Max Planck Institute for Marine Microbiology

Publications: 39

Josef Zeyer

Josef Zeyer

ETH Zurich

Publications: 39

Christof Holliger

Christof Holliger

École Polytechnique Fédérale de Lausanne

Publications: 32

Philippe Normand

Philippe Normand

Claude Bernard University Lyon 1

Publications: 32

Frank E. Löffler

Frank E. Löffler

University of Tennessee at Knoxville

Publications: 30

Per Halkjær Nielsen

Per Halkjær Nielsen

Aalborg University

Publications: 29

Katherine D. McMahon

Katherine D. McMahon

University of Wisconsin–Madison

Publications: 22

Arata Katayama

Arata Katayama

Nagoya University

Publications: 21

Robert J. Seviour

Robert J. Seviour

La Trobe University

Publications: 19

Jeppe Lund Nielsen

Jeppe Lund Nielsen

Aalborg University

Publications: 18

Michael Wagner

Michael Wagner

University of Vienna

Publications: 18

Ralf Conrad

Ralf Conrad

Max Planck Society

Publications: 17

Philip L. Bond

Philip L. Bond

University of Queensland

Publications: 16

Pascal Simonet

Pascal Simonet

École Centrale de Lyon

Publications: 16

Harold L. Drake

Harold L. Drake

University of Bayreuth

Publications: 16

Daniel R. Noguera

Daniel R. Noguera

University of Wisconsin–Madison

Publications: 16

Trending Scientists

Andreas Lendlein

Andreas Lendlein

Helmholtz-Zentrum Hereon

Jeroni Galmés

Jeroni Galmés

University of the Balearic Islands

Richard A. Winett

Richard A. Winett

Virginia Tech

David A. Relman

David A. Relman

Stanford University

Lizabeth M. Romanski

Lizabeth M. Romanski

University of Rochester Medical Center

David S.K. Magnuson

David S.K. Magnuson

University of Louisville

Nan-Yao Su

Nan-Yao Su

University of Florida

Bauke W. Dijkstra

Bauke W. Dijkstra

University of Groningen

Andrew C. Perkins

Andrew C. Perkins

Monash University

Mark Ainsworth

Mark Ainsworth

Brown University

Richard A. Brualdi

Richard A. Brualdi

University of Wisconsin–Madison

Jeffrey S. Johnson

Jeffrey S. Johnson

University of North Carolina at Chapel Hill

Paul A. Griffin

Paul A. Griffin

University of California, Davis

Keith Jacobs

Keith Jacobs

University of Tasmania

Göran Hallmans

Göran Hallmans

Umeå University

Jean-Marc Dumonceau

Jean-Marc Dumonceau

Geneva College

Related Biology and Biochemistry Rankings & Guides

2026 Healthcare Management Degree vs. Certificate: Which Should You Choose?

2026 Healthcare Management Degree vs. Certificate: Which Should You Choose?
2026 Is a Master’s in Biotechnology Worth It?

2026 Is a Master’s in Biotechnology Worth It?
2026 MSN vs. NP Nursing Degrees: Explaining the Difference

2026 MSN vs. NP Nursing Degrees: Explaining the Difference
2026 How to Become a Pediatric Occupational Therapist: Education, Salary, and Job Outlook

2026 How to Become a Pediatric Occupational Therapist: Education, Salary, and Job Outlook
2026 How to Become a Credentialing Specialist: Education, Salary, and Job Outlook

2026 How to Become a Credentialing Specialist: Education, Salary, and Job Outlook
2026 Do Online Pharmacy Programs Offer Weekly Start Dates? Enrollment Calendar & Start Options

2026 Do Online Pharmacy Programs Offer Weekly Start Dates? Enrollment Calendar & Start Options
2026 How to Become an Electrophysiology Tech: Education, Salary, and Job Outlook

2026 How to Become an Electrophysiology Tech: Education, Salary, and Job Outlook
2026 Easiest Online Healthcare Innovation Master's Degree Programs That Pay Well: High-Salary Degrees with Simple Admissions

2026 Easiest Online Healthcare Innovation Master's Degree Programs That Pay Well: High-Salary Degrees with Simple Admissions
2026 What Prerequisites Do You Need for a Nutrition Master's Degree? Entry Requirements, Credits & Eligibility Rules

2026 What Prerequisites Do You Need for a Nutrition Master's Degree? Entry Requirements, Credits & Eligibility Rules
2026 Can You Get Into a Family Nurse Practitioner Program with a Low GPA? Admission Chances & Workarounds

2026 Can You Get Into a Family Nurse Practitioner Program with a Low GPA? Admission Chances & Workarounds
2026 How to Become a Healthcare Risk Manager: Education, Salary, and Job Outlook

2026 How to Become a Healthcare Risk Manager: Education, Salary, and Job Outlook
2026 Radiology Tech vs. Radiation Therapist: Explaining the Difference

2026 Radiology Tech vs. Radiation Therapist: Explaining the Difference
2026 Online Pharmacy Degree Programs Costs: Tuition & Fees

2026 Online Pharmacy Degree Programs Costs: Tuition & Fees
2026 Cheapest and Shortest Online Medical Billing & Coding Degree Programs That Pay Well: Cost, Duration, and Salary Outlook

2026 Cheapest and Shortest Online Medical Billing & Coding Degree Programs That Pay Well: Cost, Duration, and Salary Outlook
2026 Fastest Online Biology and Biological Sciences Bachelor's Degree Programs You Can Finish in 3 Years or Less

2026 Fastest Online Biology and Biological Sciences Bachelor's Degree Programs You Can Finish in 3 Years or Less
2026 Radiology Technologist vs. Ultrasound Technologist: Explaining the Difference

2026 Radiology Technologist vs. Ultrasound Technologist: Explaining the Difference
2026 How to Become a Patient Navigator: Education, Salary, and Job Outlook

2026 How to Become a Patient Navigator: Education, Salary, and Job Outlook
2026 How to Become an RN Coder: Education, Salary, and Job Outlook

2026 How to Become an RN Coder: Education, Salary, and Job Outlook
2026 How to Become a Pathologist Assistant: Education, Salary, and Job Outlook

2026 How to Become a Pathologist Assistant: Education, Salary, and Job Outlook
2026 Respiratory Therapist (RT) vs. Registered Nurse (RN): Explaining the Difference

2026 Respiratory Therapist (RT) vs. Registered Nurse (RN): Explaining the Difference
2026 Nutrition Degree Master's Programs You Can Start Without Meeting All Requirements

2026 Nutrition Degree Master's Programs You Can Start Without Meeting All Requirements

Recently Published Articles

2026 Military-Friendly Online Cybersecurity Master's Degree Programs: Benefits, Accreditation & Career Outcomes

2026 Military-Friendly Online Cybersecurity Master's Degree Programs: Benefits, Accreditation & Career Outcomes
2026 Top Universities Offering Online Web Design Master's Degrees

2026 Top Universities Offering Online Web Design Master's Degrees
2026 Online Cloud Computing Degree Programs Costs: Tuition & Fees

2026 Online Cloud Computing Degree Programs Costs: Tuition & Fees
2026 Space Studies Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Space Studies Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 Online Applied Psychology Bachelor's Degree Programs With No SAT or ACT Requirements

2026 Online Applied Psychology Bachelor's Degree Programs With No SAT or ACT Requirements
2026 Best Online Degrees for Seniors

2026 Best Online Degrees for Seniors
2026 Best Online Business Management Degree Programs

2026 Best Online Business Management Degree Programs
2026 Which Schools Offer Flexible Start-Anytime Enrollment for a Regulatory Science & Affairs Degree Master's Program?

2026 Which Schools Offer Flexible Start-Anytime Enrollment for a Regulatory Science & Affairs Degree Master's Program?
2026 Application Deadlines for Online Kinesiology Master's Programs: Fall, Spring & Rolling Admissions

2026 Application Deadlines for Online Kinesiology Master's Programs: Fall, Spring & Rolling Admissions
2026 Sports Science Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Sports Science Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 Top Industries Hiring Oceanography Graduates: Demand, Pay, and Growth Trends

2026 Top Industries Hiring Oceanography Graduates: Demand, Pay, and Growth Trends
2026 What Can You Do With An Applied Behavior Analysis Degree?

2026 What Can You Do With An Applied Behavior Analysis Degree?
2026 One-Year Online Biology Master's Degree Programs: Accelerated Options, Costs & Outcomes

2026 One-Year Online Biology Master's Degree Programs: Accelerated Options, Costs & Outcomes
2026 Music Business Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Music Business Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 What Is a Logistics Manager? Salary & Career Paths

2026 What Is a Logistics Manager? Salary & Career Paths
2026 How to Become a Homicide Detective

2026 How to Become a Homicide Detective
2026 How to Become an Electrician in Oklahoma

2026 How to Become an Electrician in Oklahoma
2026 Top Industries Hiring Science Graduates: Demand, Pay, and Growth Trends

2026 Top Industries Hiring Science Graduates: Demand, Pay, and Growth Trends
2026 How to Become a Radiology Technician in Minnesota

2026 How to Become a Radiology Technician in Minnesota
2026 Southern New Hampshire University Online BA in Information Technologies - General IT: Cost, Curriculum, Admissions, and Career Outcomes

2026 Southern New Hampshire University Online BA in Information Technologies - General IT: Cost, Curriculum, Admissions, and Career Outcomes
2026 Military-Friendly Online Construction Management Bachelor's Degree Programs

2026 Military-Friendly Online Construction Management Bachelor's Degree Programs