| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Biology and Biochemistry | 42 | 19480 | 17848 | 7942 | 7076 | 122 | 6782 |
The chart shows the history of publications by Dittmar Hahn between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Dittmar Hahn published across 38 years, from 1988 to 2025, averaging 3.4 papers a year. Output peaked at 11 publications in 1999. 5 of the 128 publications appeared in the last two years.
128 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1988 | 3 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 3 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 3 |
| 1996 | 0 |
| 1997 | 6 |
| 1998 | 4 |
| 1999 | 11 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 4 |
| 2003 | 5 |
| 2004 | 1 |
| 2005 | 4 |
| 2006 | 0 |
| 2007 | 7 |
| 2008 | 3 |
| 2009 | 9 |
| 2010 | 1 |
| 2011 | 6 |
| 2012 | 2 |
| 2013 | 6 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
| Total | 128 |
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.
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.
| Publications | Scientists | This scientist |
|---|---|---|
| 47–56 | 8 | |
| 57–66 | 35 | |
| 67–76 | 106 | |
| 77–86 | 231 | |
| 87–96 | 413 | |
| 97–106 | 546 | |
| 107–116 | 704 | |
| 117–126 | 848 | 122 |
| 127–136 | 980 | |
| 137–146 | 942 | |
| 147–156 | 969 | |
| 157–166 | 949 | |
| 167–176 | 951 | |
| 177–186 | 915 | |
| 187–196 | 787 | |
| 197–206 | 840 | |
| 207–216 | 733 | |
| 217–226 | 708 | |
| 227–236 | 651 | |
| 237–246 | 605 | |
| 247–256 | 510 | |
| 257–266 | 524 | |
| 267–276 | 434 | |
| 277–286 | 417 | |
| 287–296 | 350 | |
| 297–306 | 363 | |
| 307–316 | 315 | |
| 317–326 | 296 | |
| 327–336 | 261 | |
| 337–346 | 240 | |
| 347–356 | 219 | |
| 357–366 | 196 | |
| 367–376 | 154 | |
| 377–386 | 161 | |
| 387–396 | 155 | |
| 397–406 | 145 | |
| 407–416 | 124 | |
| 417–426 | 112 | |
| 427–436 | 132 | |
| 437–446 | 116 | |
| 447–456 | 99 | |
| 457–466 | 81 | |
| 467–476 | 91 | |
| 477–486 | 80 | |
| 487–496 | 80 | |
| 497–506 | 59 | |
| 507–516 | 36 | |
| 517–526 | 46 | |
| 527–536 | 54 | |
| 537–546 | 44 | |
| 547–556 | 43 | |
| 557–566 | 43 | |
| 567–576 | 42 | |
| 577–586 | 25 | |
| 587–596 | 34 | |
| 597–606 | 23 | |
| 607–616 | 33 | |
| 617–626 | 31 | |
| 627–636 | 27 | |
| 637–646 | 25 | |
| 647–656 | 28 | |
| 657–666 | 34 | |
| 667–676 | 18 | |
| 677–686 | 16 | |
| 687–696 | 10 | |
| 697–706 | 12 | |
| 707–716 | 21 | |
| 717–726 | 12 | |
| 727–736 | 12 | |
| 737–746 | 10 | |
| 747–756 | 7 | |
| 757–766 | 13 | |
| 767–776 | 15 | |
| 777–786 | 13 | |
| 787–796 | 9 | |
| 797–806 | 9 | |
| 807–816 | 7 | |
| 817–826 | 4 | |
| 827–836 | 9 | |
| 837–846 | 7 | |
| 847–856 | 3 | |
| 857–866 | 5 | |
| 867–876 | 5 | |
| 877–886 | 11 | |
| 887–896 | 3 | |
| 897–906 | 4 | |
| 907–916 | 7 | |
| 917–926 | 5 | |
| 927–936 | 6 | |
| 937–946 | 6 | |
| 947–956 | 3 | |
| 957–966 | 7 | |
| 967–976 | 2 | |
| 977–986 | 2 | |
| 987–996 | 1 | |
| 997–1,006 | 5 | |
| 1,007–1,016 | 2 | |
| 1,017–1,026 | 2 | |
| 1,027 | 1 | |
| 1,028+ | 100 |
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.
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.
| D-Index | Scientists | This scientist |
|---|---|---|
| 40–41 | 80 | |
| 42–43 | 183 | 42 |
| 44–45 | 316 | |
| 46–47 | 504 | |
| 48–49 | 718 | |
| 50–51 | 899 | |
| 52–53 | 1,025 | |
| 54–55 | 1,149 | |
| 56–57 | 1,235 | |
| 58–59 | 1,253 | |
| 60–61 | 1,162 | |
| 62–63 | 1,130 | |
| 64–65 | 1,031 | |
| 66–67 | 897 | |
| 68–69 | 814 | |
| 70–71 | 714 | |
| 72–73 | 709 | |
| 74–75 | 596 | |
| 76–77 | 512 | |
| 78–79 | 473 | |
| 80–81 | 412 | |
| 82–83 | 373 | |
| 84–85 | 358 | |
| 86–87 | 285 | |
| 88–89 | 273 | |
| 90–91 | 227 | |
| 92–93 | 208 | |
| 94–95 | 193 | |
| 96–97 | 153 | |
| 98–99 | 157 | |
| 100–101 | 148 | |
| 102–103 | 120 | |
| 104–105 | 113 | |
| 106–107 | 100 | |
| 108–109 | 86 | |
| 110–111 | 67 | |
| 112–113 | 71 | |
| 114–115 | 73 | |
| 116–117 | 64 | |
| 118–119 | 53 | |
| 120–121 | 60 | |
| 122–123 | 54 | |
| 124–125 | 43 | |
| 126–127 | 38 | |
| 128–129 | 49 | |
| 130–131 | 26 | |
| 132–133 | 18 | |
| 134–135 | 23 | |
| 136–137 | 32 | |
| 138–139 | 32 | |
| 140–141 | 27 | |
| 142–143 | 19 | |
| 144–145 | 22 | |
| 146–147 | 12 | |
| 148–149 | 16 | |
| 150–151 | 14 | |
| 152–153 | 10 | |
| 154–155 | 13 | |
| 156–157 | 10 | |
| 158–159 | 7 | |
| 160–161 | 9 | |
| 162–163 | 13 | |
| 164–165 | 4 | |
| 166 | 4 | |
| 167+ | 98 |
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:
The most frequent publication venues for their work include:
Throughout their career, Dittmar Hahn has collaborated regularly with several co-authors. The most frequent collaborators are:
Christof Holliger;Dittmar Hahn;Hermie Harmsen;Wolfgang Ludwig
R. P. X. Hesselmann;C. Werlen;D. Hahn;J. R. Van Der Meer
Ruth-Anne Sandaa;Vigdis Torsvik;Øivind Enger;Frida Lise Daae
Dittmar Hahn;Rudolf I. Amann;Wolfgang Ludwig;Antoon D. L. Akkermans
Boris Zarda;D. Hahn;Antonis Chatzinotas;Wilhelm Schönhuber
A Hess;B Zarda;D Hahn;A Häner
Kuk-Jeong Chin;Dittmar Hahn;Ulf Hengstmann;Werner Liesack
K. Zepp Falz;C. Holliger;R. Großkopf;W. Liesack
Frank Schönholzer;Dittmar Hahn;Josef Zeyer
David J. Burke;Erik P. Hamerlynck;Dittmar Hahn;Dittmar Hahn
Frank Schönholzer;Dittmar Hahn;Dittmar Hahn;Dittmar Hahn;Boris Zarda;Josef Zeyer
Kathrin Fischer;Dittmar Hahn;Otto Daniel;Josef Zeyer
M. Berchtold;A. Chatzinotas;Wilhelm Schönhuber;A. Brune
Dittmar Hahn;Mary P. Lechevalier;Angelika Fischer;Erko Stackebrandt
D. Hahn;M.J.C. Starrenburg;A.D.L. Akkermans
D. Hahn;R. Kester;M. J. C. Starrenburg;A. D. L. Akkermans
Dittmar Hahn;Rudolf I. Amann;Josef Zeyer
Boris Zarda;Geoffrey Mattison;Annatina Hess;Dittmar Hahn
Mauro Tonolla;Sandro Peduzzi;Sandro Peduzzi;Dittmar Hahn;Raffaele Peduzzi
Dittmar Hahn;Rudolf I. Amann;Josef Zeyer
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