World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

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

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

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:

Related Online Degrees & Career Pathways

Exploring Biology and Biochemistry can open doors to a wide array of online degrees and professional pathways in the health and life sciences fields. Many students consider pursuing advanced studies to deepen their expertise and qualify for specialized roles.

For those interested in healthcare administration or leadership, a phd in healthcare management online can lead to executive positions within hospitals, clinics, or academic institutions. Alternatively, if pharmacy is your calling, pharm d online programs provide a flexible path to becoming a licensed pharmacist while balancing work and study.

Biochemistry backgrounds also translate well into fitness and wellness careers. With fitness degrees online or online kinesiology degrees, you can prepare for roles in sports science, rehabilitation, and community health programs.

These online options allow students to advance their education, gain practical skills, and expand their career prospects while maintaining flexibility with their schedules.

Best Scientists Citing Per Juel Hansen

Trending Scientists

Recently Published Articles