World's Best Scientists 2026 revealed!
Arild Johnsen

Arild Johnsen

D-Index & Metrics

Animal Science and Veterinary

D-Index
37
Citations
5916
World Ranking
1475
National Ranking
19

Ecology and Evolution

D-Index
37
Citations
5913
World Ranking
6838
National Ranking
116

Overview

Arild Johnsen is affiliated with the University of Oslo in Norway. Their research spans several interconnected fields within environmental and biological sciences, with a focus on genetic diversity, animal behavior, and ecological studies.

The primary research areas covered by Arild Johnsen include:

  • Environmental Science
  • Biochemistry, Genetics and Molecular Biology
  • Agricultural and Biological Sciences

Within these broader fields, their work is further specialized in subfields such as:

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Genetics
  • Molecular Biology
  • Parasitology

Their scientific inquiries address major topics including:

  • Genetic diversity and population structure
  • Animal Behavior and Reproduction
  • Fish Ecology and Management Studies
  • Identification and Quantification in Food
  • Avian ecology and behavior
  • Wildlife Ecology and Conservation
  • Plant and animal studies

Recent publications by Arild Johnsen reflect the scope of their research. Selected papers include:

  • "Longer Sperm Swim More Slowly in the Canary Islands Chiffchaff" (2021, Cells)
  • "Sperm length variation among Afrotropical songbirds reflects phylogeny rather than adaptations to the tropical environment" (2020, Zoology)
  • "Sperm morphology and performance in relation to postmating prezygotic isolation in two recently diverged passerine species" (2022, Scientific Reports)
  • "The challenges of opportunistic sampling when comparing prevalence of plastics in diving seabirds: A multi-species example from Norway" (2024, Marine Pollution Bulletin)
  • "Molecular phylogeny of Allodia (Diptera: Mycetophilidae) constructed using genome skimming" (2021, Systematic Entomology)

Publication venues where Arild Johnsen has frequently contributed include:

  • Journal für Ornithologie
  • Journal of Avian Biology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Ecology and Evolution
  • Cells

Frequent collaborators featured in their work are:

  • Jan T. Lifjeld
  • Emily R. A. Cramer
  • Lars Erik Johannessen
  • Laima Bagdonaitė
  • Erica H. Leder

Best Publications

  • Females increase offspring heterozygosity and fitness through extra-pair matings

    Katharina Foerster;Kaspar Delhey;Arild Johnsen;Jan T. Lifjeld

  • New environmental metabarcodes for analysing soil DNA: potential for studying past and present ecosystems.

    Laura S. Epp;Sanne Boessenkool;Eva P. Bellemain;James Haile;James Haile

  • Female bluethroats enhance offspring immunocompetence through extra-pair copulations

    Arild Johnsen;Vegard Andersen;Christine Sunding;Jan T. Lifjeld

  • Species-Level Para- and Polyphyly in DNA Barcode Gene Trees: Strong Operational Bias in European Lepidoptera.

    Marko Mutanen;Sami M. Kivelä;Rutger A. Vos;Camiel Doorenweerd

  • Early birds are sexy: male age, dawn song and extrapair paternity in blue tits, Cyanistes (formerly Parus) caeruleus

    Angelika Poesel;Hansjoerg P. Kunc;Katharina Foerster;Arild Johnsen

  • Ultraviolet plumage ornamentation affects social mate choice and sperm competition in bluethroats (Aves: Luscinia s. svecica): a field experiment

    Arild Johnsen;Staffan Andersson;Jonas rnborg;Jan T. Lifjeld

  • DNA barcoding of Scandinavian birds reveals divergent lineages in trans-Atlantic species

    Arild Johnsen;Eirik Rindal;Per G. P. Ericson;Dario Zuccon

  • Plumage colour in nestling blue tits: sexual dichromatism, condition dependence and genetic effects

    Arild Johnsen;Kaspar Delhey;Staffan Andersson;Bart Kempenaers

  • Paternity analysis reveals opposing selection pressures on crown coloration in the blue tit (Parus caeruleus)

    Kaspar Delhey;Arild Johnsen;Anne Peters;Staffan Andersson

  • Speciation, introgressive hybridization and nonlinear rate of molecular evolution in flycatchers.

    Glenn‐Peter Sætre;Thomas Borge;Thomas Borge;Johan Lindell;Truls Moum

  • Avian Clock gene polymorphism: evidence for a latitudinal cline in allele frequencies.

    Arild Johnsen;Andrew E. Fidler;Andrew E. Fidler;Sylvia Kuhn;Kim Lois Carter

  • Atlantic salmon show capability for cardiac acclimation to warm temperatures

    Katja Anttila;Christine S. Couturier;Øyvind Øverli;Arild Johnsen

  • Genomic evidence of speciation reversal in ravens

    Anna Marika Kearns;Anna Marika Kearns;Anna Marika Kearns;Marco Restani;Ildiko Szabo;Audun Schrøder-Nielsen

  • MULTIPLE GENETIC BENEFITS OF FEMALE PROMISCUITY IN A SOCIALLY MONOGAMOUS PASSERINE

    Frode Fossøy;Arild Johnsen;Jan T. Lifjeld

  • A spatial genetic structure and effects of relatedness on mate choice in a wild bird population

    Katharina Foerster;Mihai Valcu;Arild Johnsen;Bart Kempenaers

  • Seasonal changes in blue tit crown color: Do they signal individual quality?

    Kaspar Delhey;Anne Peters;Arild Johnsen;Bart Kempenaers

  • Male sexual attractiveness and parental effort in blue tits: A test of the differential allocation hypothesis

    Arild Johnsen;Kaspar Delhey;Emmi Schlicht;Anne Peters

  • Sexual conflict over fertilizations: female bluethroats escape male paternity guards

    Arild Johnsen;Jan T. Lifjeld;Percy A. Rohde;Craig R. Primmer

  • Ecological constraints on extra-pair paternity in the bluethroat.

    Arild Johnsen;Jan T. Lifjeld

  • Deep sympatric mitochondrial divergence without reproductive isolation in the common redstart Phoenicurus phoenicurus.

    Silje Hogner;Terje Laskemoen;Jan Terje Lifjeld;Jiri Porkert

  • The condition-dependent development of carotenoid-based and structural plumage in nestling blue tits: males and females differ

    Anne Peters;Kaspar Delhey;Arild Johnsen;Bart Kempenaers

  • MALE CHARACTERISTICS AND FERTILISATION SUCCESS IN BLUETHROATS

    Arild Johnsen;Jan T. Lifjeld;Staffan Andersson;Jonas Örnborg

Frequent Co-Authors

Jan T. Lifjeld
Jan T. Lifjeld University of Oslo
Tomáš Albrecht
Tomáš Albrecht Charles University
Bart Kempenaers
Bart Kempenaers Max Planck Institute for Ornithology
Kaspar Delhey
Kaspar Delhey Max Planck Society
Oddmund Kleven
Oddmund Kleven Norwegian Institute for Nature Research
Anne Peters
Anne Peters Monash University
Staffan Andersson
Staffan Andersson University of Gothenburg
Glenn-Peter Sætre
Glenn-Peter Sætre University of Oslo
Josef Bryja
Josef Bryja Czech Academy of Sciences
Tore Slagsvold
Tore Slagsvold University of Oslo

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

For those interested in working with animals, exploring the highest paying animal jobs can provide valuable insights into rewarding career options. These roles often require specialized education and offer opportunities for growth in fields like veterinary medicine, wildlife conservation, and animal behavior.

Beyond traditional animal science careers, related fields such as exercise science also present exciting possibilities. Students can pursue online exercise science programs that prepare them for roles in fitness, rehabilitation, and athletic training—critical areas where understanding animal or human physiology is essential.

Individuals aiming for leadership roles in sports or athletic programs might consider how to become an athletic director. This path combines knowledge of exercise science with management skills, offering a diverse career trajectory that can align with interests in sports and health education.

Moreover, for those interested in behavior analysis, pursuing a bcba degree can lead to certification as a Board Certified Behavior Analyst. This credential opens doors to careers in behavioral support and therapy, which often intersect with animal science and veterinary behavior specialties.

Best Scientists Citing Arild Johnsen

Trending Scientists