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D-Index & Metrics

Biology and Biochemistry

D-Index
51
Citations
9228
World Ranking
17185
National Ranking
1189

Urban Tillmann 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 Urban Tillmann 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: 255 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Urban Tillmann 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 Urban Tillmann 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: 51 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

Urban Tillmann is affiliated with the Alfred Wegener Institute for Polar and Marine Research in Germany. Their research primarily focuses on environmental science, earth and planetary sciences, and biochemistry, genetics, and molecular biology. This work intersects heavily with subfields such as environmental chemistry, oceanography, molecular biology, ecology, and organic chemistry.

The main topics that characterize Urban Tillmann's scientific contributions include marine toxins and detection methods, marine and coastal ecosystems, protist diversity and phylogeny, microbial community ecology and physiology, marine biology and ecology research, chemical synthesis and alkaloids, and aquatic ecosystems and phytoplankton dynamics.

Recent publications associated with Urban Tillmann illustrate the scope of their research interests. These include:

  • "The Mixoplankton Database (MDB): Diversity of photo-phago-trophic plankton in form, function, and distribution across the global ocean" (2023, Journal of Eukaryotic Microbiology)
  • "Unknown Extracellular and Bioactive Metabolites of the Genus Alexandrium: A Review of Overlooked Toxins" (2021, Toxins)
  • "Morphological and phylogenetic data do not support the split of Alexandrium into four genera" (2020, Harmful Algae)
  • "Recommendations for epitypification of dinophytes exemplified by Lingulodinium polyedra and molecular phylogenetics of the Gonyaulacales based on curated rRNA sequence data" (2021, Harmful Algae)
  • "A Mediterranean Alexandrium taylorii (Dinophyceae) Strain Produces Goniodomin A and Lytic Compounds but Not Paralytic Shellfish Toxins" (2020, Toxins)

Urban Tillmann frequently publishes in specialized venues, contributing extensively to journals such as:

  • Harmful Algae
  • Toxins
  • Zenodo (CERN European Organization for Nuclear Research)
  • Scientific Reports
  • Microorganisms

The research collaborations of Urban Tillmann include multiple coauthors with whom they have frequently worked. Notable collaborators are Bernd Krock, Stephan Wietkamp, Marc Gottschling, Mona Hoppenrath, and Jan Tebben.

This body of work reflects a consistent engagement with marine ecological and biochemical processes, examining the diversity, phylogeny, and chemical ecology of planktonic and dinoflagellate species. The research outputs contribute to understanding both environmental and molecular aspects of marine systems, particularly in relation to toxins and coastal ecosystem dynamics.

Best Publications

  • The role of mixotrophic protists in the biological carbon pump

    Aditee Mitra;Kevin J. Flynn;Joann M. Burkholder;Terje Berge

  • Defining Planktonic Protist Functional Groups on Mechanisms for Energy and Nutrient Acquisition: Incorporation of Diverse Mixotrophic Strategies

    Aditee Mitra;Kevin J. Flynn;Urban Tillmann;John A. Raven

  • Azadinium spinosum gen. et sp. nov. (Dinophyceae) identified as a primary producer of azaspiracid toxins

    Urban Tillmann;Malte Elbrächter;Bernd Krock;Uwe John

  • Toxic effects of Alexandrium spp. on heterotrophic dinoflagellates: an allelochemical defence mechanism independent of PSP-toxin content

    Urban Tillmann;Uwe John

  • Interactions between planktonic microalgae and protozoan grazers.

    Urban Tillmann

  • Kill and eat your predator: a winning strategy of the planktonic flagellate Prymnesium parvum

    Urban Tillmann

  • On the allelochemical potency of the marine dinoflagellate Alexandrium ostenfeldii against heterotrophic and autotrophic protists

    Urban Tillmann;Uwe John;Allan Cembella

  • Characterization of azaspiracids in plankton size-fractions and isolation of an azaspiracid-producing dinoflagellate from the North Sea

    Bernd Krock;Urban Tillmann;Uwe John;Allan D. Cembella

  • Allelochemical interactions and short-term effects of the dinoflagellate Alexandrium on selected photoautotrophic and heterotrophic protists

    Urban Tillmann;Tilman Alpermann;Uwe John;Allan Cembella

  • Phenotypic variation and genotypic diversity in a planktonic population of the toxigenic marine dinoflagellate alexandrium tamarense (dinophyceae)

    Tilman J. Alpermann;Urban Tillmann;Bánk Beszteri;Allan D. Cembella

  • The Relevance of Marine Chemical Ecology to Plankton and Ecosystem Function: An Emerging Field

    Adrianna Ianora;Matthew G. Bentley;Gary S. Caldwell;Raffaella Casotti

  • Intra-population clonal variability in allelochemical potency of the toxigenic dinoflagellate Alexandrium tamarense

    Urban Tillmann;Tilman L. Alpermann;Rodrigo C. da Purificação;Bernd Krock

  • The role of Azadinium spinosum (Dinophyceae) in the production of azaspiracid shellfish poisoning in mussels

    Rafael Salas;Urban Tillmann;Uwe John;Jane Kilcoyne

  • LC-MS-MS aboard ship: tandem mass spectrometry in the search for phycotoxins and novel toxigenic plankton from the North Sea

    Bernd Krock;Urban Tillmann;Uwe John;Allan Cembella

  • Phagotrophy in harmful algae

    D. Stoecker;Urban Tillmann;E. Granéli

  • PHAGOTROPHY BY A PLASTIDIC HAPTOPHYTE, PRYMNESIUM PATELLIFERUM

    Urban Tillmann

  • New azaspiracids in Amphidomataceae (Dinophyceae)

    Bernd Krock;Urban Tillmann;Daniela Voß;Boris P. Koch

  • The importance of sediments in the transformation and turnover of nutrients and organic matter in the Wadden Sea and German Bight.

    J. E. E. van Beusekom;U. H. Brockmann;K. J. Hesse;W. Hickel

  • Planktonic primary production in the German Wadden Sea

    Urban Tillmann;Karl-J. Hesse;Franciscus Colijn

  • Morphology, phylogeny and azaspiracid profile of Azadinium poporum (Dinophyceae) from the China Sea

    Haifeng Gu;Zhaohe Luo;Bernd Krock;Matthias Witt

Frequent Co-Authors

Allan Cembella
Allan Cembella Alfred Wegener Institute for Polar and Marine Research
Uwe John
Uwe John Alfred Wegener Institute for Polar and Marine Research
Per Juel Hansen
Per Juel Hansen University of Copenhagen
Hae Jin Jeong
Hae Jin Jeong Seoul National University
Matthias Witt
Matthias Witt Laboratorien Dr. Döring GmbH
Diane K. Stoecker
Diane K. Stoecker University of Maryland Center For Environmental Sciences
JoAnn M. Burkholder
JoAnn M. Burkholder North Carolina State University
Vera L. Trainer
Vera L. Trainer National Oceanic and Atmospheric Administration
Patricia M. Glibert
Patricia M. Glibert University of Maryland Center For Environmental Sciences
John A. Raven
John A. Raven University of Dundee

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