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Environmental Sciences

D-Index
35
Citations
8087
World Ranking
9230
National Ranking
117

Overview

Ivar Folstad is affiliated with the University of Tromsø - The Arctic University of Norway. Their research spans multiple disciplines, primarily focusing on environmental science and psychology.

The main fields of study associated with their work include:

  • Environmental Science
  • Psychology

Within these fields, Folstad has contributed to several subfields such as:

  • Nature and Landscape Conservation
  • Global and Planetary Change
  • Experimental and Cognitive Psychology
  • Gender Studies
  • Social Psychology

Their research topics cover diverse areas combining biological and psychological perspectives, including:

  • Fish Ecology and Management Studies
  • Marine and Fisheries Research
  • Fish Biology, Ecology, and Behavior
  • Evolutionary Psychology and Human Behavior
  • Demographic Trends and Gender Preferences
  • Attachment and Relationship Dynamics

Recent publications illustrate the range of Folstad's work. These include:

  • "Cannibalism and protective behavior of eggs in Arctic charr (Salvelinus alpinus)", 2021, published in Ecology and Evolution
  • "Resemblance Reporting on Children: Sisters Are More Proactive than Brothers", 2022, published in Evolutionary Psychological Science

Folstad has worked collaboratively with several co-authors, often engaging in interdisciplinary research. Frequent collaborators include:

  • Marilena Frye
  • Torvald B. Egeland
  • Jarle Tryti Nordeide
  • Guro Lovise Hole Fisktjønmo
  • Bård-Jørgen Bårdsen

Folstad's work has appeared in specific academic venues such as:

  • Ecology and Evolution
  • Evolutionary Psychological Science

Best Publications

  • PARASITES, BRIGHT MALES, AND THE IMMUNOCOMPETENCE HANDICAP

    Ivar Folstad;Andrew John Karter

  • Cost of reproduction in a long-lived bird: incubation effort reduces immune function and future reproduction.

    Sveinn Are Hanssen;Dennis Hasselquist;Ivar Folstad;Kjell Einar Erikstad

  • Adaptive or Nonadaptive Immunosuppression by Sex Hormones

    Claus Wedekind;Ivar Folstad

  • Costs of immunity: immune responsiveness reduces survival in a vertebrate

    Sveinn Are Hanssen;Dennis Hasselquist;Ivar Folstad;Kjell Einar Erikstad;Kjell Einar Erikstad

  • Parasite avoidance: the cause of post-calving migrations in Rangifer?

    Ivar Folstad;Arne C. Nilssen;Odd Halvorsen;Johan Andersen

  • Rapid adjustments of sperm characteristics in relation to social status

    Geir Rudolfsen;Lars Figenschou;Ivar Folstad;Helge Tveiten

  • Sexual dichromatism and the immunocompetence handicap: an observational approach using Arctic charr

    Frode Skarstein;Ivar Folstad

  • Effects of ovarian fluid on sperm velocity in Arctic charr (Salvelinus alpinus)

    Davnah Urbach;Davnah Urbach;Ivar Folstad;Geir Rudolfsen

  • Why do male reindeer (Rangifer t. tarandus) have higher abundance of second and third instar larvae of Hypoderma tarandi than females

    Ivar Folstad;Arne C. Nilssen;Odd Halvorsen;Johan Andersen

  • Autumn colouration and herbivore resistance in mountain birch (Betula pubescens)

    Snorre B. Hagen;Ivar Folstad;Stein W. Jakobsen

  • Immune function and organochlorine pollutants in arctic breeding glaucous gulls

    JO Bustnes;SA Hanssen;I Folstad;KE Erikstad

  • Is male germ line control creating avenues for female choice

    Ivar Folstad;Prode Skarstein

  • Reduced immunocompetence and cost of reproduction in common eiders

    Sveinn Are Hanssen;Ivar Folstad;Kjell Einar Erikstad

  • Gastrointestinal nematodes depress food intake in naturally infected reindeer

    P. Arneberg;I. Folstad;A. J. Karter

  • Sexually selected color in male sticklebacks: a signal of both parasite exposure and parasite resistance?

    Ivar Folstad;Anne Mette Hope;Andrew Karter;Arne Skorping

  • Cod courtship song: a song at the expense of dance?

    Frode Engen;Ivar Folstad

  • Sperm velocity influence paternity in the Atlantic cod (Gadus morhua L.)

    Geir Rudolfsen;Lars Figenschou;Ivar Folstad;Oddmund Kleven

  • White plumage reflects individual quality in female eiders

    Sveinn Are Hanssen;Sveinn Are Hanssen;Ivar Folstad;Kjell Einar Erikstad;Kjell Einar Erikstad

  • Reindeer antlers: visual indicators of individual quality?

    Eystein Markusson;Ivar Folstad

  • REGULAR ARTICLES / ARTICLES RÉGULIERS Whether to reproduce or not: immune suppression and costs of parasites during reproduction in the Arctic charr

    Frode Skarstein;Ivar Folstad;Ståle Liljedal

  • Potential fitness benefits from mate selection in the Atlantic cod (Gadus morhua)

    G. Rudolfsen;L. Figenschou;I. Folstad;J. T. Nordeide

  • Male dimorphism, sperm traits and immunology in the corkwing wrasse (Symphodus melops L.)

    Ingebrigt Uglem;Trina Falck Galloway;Gunilla Rosenqvist;Ivar Folstad

  • Blood concentration of organochlorine pollutants and wing feather asymmetry in Glaucous Gulls

    J. O. Bustnes;I. Folstad;K. E. Erikstad;M. Fjeld

  • MHC and fertilization success in the Arctic charr (Salvelinus alpinus)

    Frode Skarstein;Ivar Folstad;Ståle Liljedal;Mats Grahn

  • Milt quality, parasites, and immune function in dominant and subordinate Arctic charr

    Ståle Liljedal;Ivar Folstad

  • Costs of parasites in common eiders: effects of antiparasite treatment

    Sveinn Are Hanssen;Ivar Folstad;Kjell Einar Erikstad;Antti Oksanen

  • Anti-parasite treatment removes negative effects of environmental pollutants on reproduction in an Arctic seabird

    Jan O Bustnes;Kjell E Erikstad;Sveinn A Hanssen;Sveinn A Hanssen;Torkild Tveraa

  • PARASITES, BRIGHT MALES, AND THE IMMUNOCOMPETENCE

    Ivar Folstad;Andrew John Karter

Frequent Co-Authors

Geir Rudolfsen
Geir Rudolfsen University of Tromsø - The Arctic University of Norway
Kjell Einar Erikstad
Kjell Einar Erikstad Norwegian Institute for Nature Research
Nigel G. Yoccoz
Nigel G. Yoccoz University of Tromsø - The Arctic University of Norway
Dennis Hasselquist
Dennis Hasselquist Lund University
Torkild Tveraa
Torkild Tveraa Norwegian Institute for Nature Research
Raul Primicerio
Raul Primicerio University of Tromsø - The Arctic University of Norway
Jan Ove Bustnes
Jan Ove Bustnes Norwegian Institute for Nature Research
Janneche Utne Skaare
Janneche Utne Skaare Norwegian University of Life Sciences
Arne Skorping
Arne Skorping University of Bergen
Oddmund Kleven
Oddmund Kleven Norwegian Institute for Nature Research

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