World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
62
Citations
14374
World Ranking
10754
National Ranking
114

Per Juel Hansen 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 Per Juel Hansen 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: 194 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Per Juel Hansen 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 Per Juel Hansen 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: 62 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Per Juel Hansen is affiliated with the University of Copenhagen in Denmark. They have contributed extensively to research in Earth and Planetary Sciences and Environmental Science, with a strong focus on Oceanography, Molecular Biology, Ecology, Atmospheric Science, and Environmental Chemistry.

Their research covers a variety of topics within marine and coastal ecosystems, protist diversity and phylogeny, microbial community ecology and physiology, marine biology and ecology research, geology and paleoclimatology research, marine toxins and detection methods, and genomics and phylogenetic studies.

Recent publications by Per Juel Hansen 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
  • A dataset on trophic modes of aquatic protists, 2020, Biodiversity Data Journal
  • Dimorphism in cryptophytes-The case of Teleaulax amphioxeia / Plagioselmis prolonga and its ecological implications, 2020, Science Advances
  • Polyketide synthase genes and molecular trade-offs in the ichthyotoxic species Prymnesium parvum, 2021, The Science of The Total Environment
  • An under-ice bloom of mixotrophic haptophytes in low nutrient and freshwater-influenced Arctic waters, 2021, Scientific Reports

Per Juel Hansen frequently collaborates with colleagues including:

  • Fabrice Not
  • Kevin J. Flynn
  • Thomas Ostenfeld Larsen
  • Aditee Mitra
  • Uwe John

The top publication venues for their work are:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Harmful Algae
  • The Science of The Total Environment
  • Frontiers in Microbiology
  • Spectrum Research Repository (Concordia University)

In addition to journal articles, Per Juel Hansen has contributed to book publications, including a title published by Concordia University:

  • Seasonal Distribution Of Non-Constitutive Mixoplankton Across Arctic, Temperate And Mediterranean Coastal Waters, 2021

Best Publications

  • Zooplankton grazing and growth: Scaling within the 2-2,-μm body size range

    Per Juel Hansen;Peter Koefoed Bjørnsen;Benni Winding Hansen

  • The size ratio between planktonic predators and their prey

    Benni Hansen;Peter Koefoed Bjornsen;Per Juel Hansen

  • Mixotrophy in the Marine Plankton

    Diane K. Stoecker;Per Juel Hansen;David A. Caron;Aditee Mitra

  • Misuse of the phytoplankton-zooplankton dichotomy : the need to assign organisms as mixotrophs within plankton functional types

    Kevin J. Flynn;Diane K. Stoecker;Aditee Mitra;John A. Raven

  • 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

  • Effect of high pH on the growth and survival of marine phytoplankton: implications for species succession

    P. J. Hansen

  • Quantitative importance and trophic role of heterotrophic dinoflagellates in a coastal pelagial food web

    P. J. Hansen

  • Prey size selection, feeding rates and growth dynamics of heterotrophic dinoflagellates with special emphasis on Gyrodinium spirale

    Per Juel Hansen

  • Phagotrophic Mechanisms and Prey Selection in Free‐living Dinoflagellates

    Per Juel Hansen;António J. Calado

  • Allelopathy in Harmful Algae: A Mechanism to Compete for Resources?

    Edna Granéli;Per Juel Hansen

  • Allelopathy in the prymnesiophyte Chrysochromulina polylepis: effect of cell concentration, growth phase and pH

    Lisa Ejbye Schmidt;Per Juel Hansen

  • Effect of pH on growth and domoic acid production by potentially toxic diatoms of the genera Pseudo-nitzschia and Nitzschia

    Nina Lundholm;Per Juel Hansen;Yuichi Kotaki

  • The role of photosynthesis and food uptake for the growth of marine mixotrophic dinoflagellates.

    Per Juel Hansen

  • Microbial diversity and activity in a Danish Fjord with anoxic deep water

    Tom Fenchel;Catherine Bernard;Genoveva Esteban;Bland J. Finlay

  • Effects of dietary fatty acids on the reproductive success of the calanoid copepod Temora longicornis

    K. E. Arendt;S. H. Jónasdóttir;P. J. Hansen;S. Gärtner

  • Inorganic carbon acquisition in potentially toxic and non‐toxic diatoms: the effect of pH‐induced changes in seawater carbonate chemistry

    Scarlett Trimborn;Nina Lundholm;Silke Thoms;Klaus-Uwe Richter

  • Inorganic carbon acquisition in red tide dinoflagellates.

    Björn Rost;Klaus‐Uwe Richter;Ulf Riebesell;Per Juel Hansen

  • Dinophysis - a planktonic dinoflagellate genus which can act both as a prey and a predator of a ciliate

    Per Juel Hansen

  • THE MARINE DINOFLAGELLATE ALEXANDRIUM OSTENFELDII: PARALYTIC SHELLFISH TOXIN CONCENTRATION, COMPOSITION, AND TOXICITY TO A TINTINNID CILIATE1

    Per Juel Hansen;Allan D. Cembella;Øjvind Moestrup

Frequent Co-Authors

Nina Lundholm
Nina Lundholm University of Copenhagen
Kevin J. Flynn
Kevin J. Flynn Plymouth Marine Laboratory
Øjvind Moestrup
Øjvind Moestrup University of Copenhagen
Diane K. Stoecker
Diane K. Stoecker University of Maryland Center For Environmental Sciences
Benni Winding Hansen
Benni Winding Hansen Roskilde University
Thomas Ostenfeld Larsen
Thomas Ostenfeld Larsen Technical University of Denmark
Torkel Gissel Nielsen
Torkel Gissel Nielsen Technical University of Denmark
Uwe John
Uwe John Alfred Wegener Institute for Polar and Marine Research
John A. Raven
John A. Raven University of Dundee
Patricia M. Glibert
Patricia M. Glibert University of Maryland Center For Environmental Sciences

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