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Ecology and Evolution

D-Index
33
Citations
9101
World Ranking
7750
National Ranking
131

Overview

Tarja Oksanen is affiliated with the University of Turku in Finland and has contributed extensively to the field of Environmental Science, with a particular focus on Ecology. Their research output includes 20 publications primarily centered on ecological topics and environmental dynamics.

The scientist's subfields of study include:

  • Ecology
  • Nature and Landscape Conservation
  • Ecological Modeling
  • Genetics
  • Sociology and Political Science

Main topics researched by Tarja Oksanen include:

  • Animal Ecology and Behavior Studies
  • Ecology and Vegetation Dynamics Studies
  • Species Distribution and Climate Change
  • Wildlife Ecology and Conservation
  • Evolution and Genetic Dynamics
  • Evolutionary Game Theory and Cooperation
  • Plant and animal studies

Key recent publications demonstrate a focus on population dynamics, climate influence on ecosystems, and species interactions:

  • Taking the beat of the Arctic: are lemming population cycles changing due to winter climate? (2024), Proceedings of the Royal Society B Biological Sciences
  • The impact of thermal seasonality on terrestrial endotherm food web dynamics: a revision of the Exploitation Ecosystem Hypothesis (2020), Ecography
  • Why don't all species overexploit? (2021), Oikos
  • The paradox of searching efficiency or why are violent population cycles so uncommon in terrestrial ecosystem (2023), Oikos
  • Macroecological patterns of rodent population dynamics shaped by bioclimatic gradients (2024), Ecography

Frequent coauthors collaborating with Tarja Oksanen include:

  • Lauri Oksanen
  • Katariina Vuorinen
  • Johan Olofsson
  • James D. M. Speed
  • Dorothée Ehrich

Publications are often featured in established scientific journals and venues such as:

  • Oikos
  • Ecography
  • Proceedings of the Royal Society B Biological Sciences
  • Journal of Animal Ecology
  • Arctic Science

Best Publications

  • Trophic Downgrading of Planet Earth

    James A. Estes;John Terborgh;Justin S. Brashares;Mary E. Power

  • The Logic and Realism of the Hypothesis of Exploitation Ecosystems.

    Lauri Oksanen;Tarja Oksanen

  • Herbivores inhibit climate‐driven shrub expansion on the tundra

    Johan Olofsson;Lauri Oksanen;Lauri Oksanen;Terry Callaghan;Terry Callaghan;Philip E. Hulme

  • How much do weasels shape microtine cycles in the northern Fennoscandian taiga

    Heikki Henttonen;Tarja Oksanen;Aarre Jortikka;Voitto Haukisalmi

  • Are lemmings prey or predators

    Peter Turchin;Lauri Oksanen;Per Ekerholm;Tarja Oksanen

  • Exploitation ecosystems in heterogeneous habitat complexes

    Tarja Oksanen

  • Long-term microtine dynamics in north Fennoscandian tundra: the vole cycle and the lemming chaos

    Lauri Oksanen;Tarja Oksanen

  • Ideal Free Habitat Selection and Consumer-Resource Dynamics

    Tarja Oksanen;Mary E. Power;Lauri Oksanen

  • Surplus Killing in the Hunting Strategy of Small Predators

    Tarja Oksanen;Lauri Oksanen;Stephen D. Fretwell

  • Where do the treeless tundra areas of northern highlands fit in the global biome system: toward an ecologically natural subdivision of the tundra biome

    Risto Virtanen;Lauri Kalervo Oksanen;Tarja Maarit Oksanen;Tarja Maarit Oksanen;Juval Cohen

  • Regulation, cycles and stability in northern carnivore‐herbivore systems: back to first principles

    Tarja Oksanen;Lauri Oksanen;Michael Schneider;Maano Aunapuu

  • Vole cycles and predation in temperate and boreal zones of Europe

    Erkki Korpimäki;Lauri Oksanen;Tarja Oksanen;Tero Klemola

  • The role of phenol-based inducible defense in the interaction between tundra populations of the vole Clethrionomys rufocanus and the dwarf shrub Vaccinium myrtillus

    Lauri Oksanen;Tarja Oksanen;Aslak Lukkari;Seija Sirén

  • Spatial Patterns and Dynamic Responses of Arctic Food Webs Corroborate the Exploitation Ecosystems Hypothesis (EEH)

    Maano Aunapuu;Jonas Dahlgren;Tarja Oksanen;Doris Grellmann

  • Habitat use of small mustelids in north Fennoscandian tundra: a test of the hypothesis of patchy exploitation ecosystems

    Tarja Oksanen;Lauri Oksanen;Mats Norberg

  • Long-term dynamics of voles and lemmings at the timberline and above the willow limit as a test of hypotheses on trophic interactions

    Per Ekerholm;Lauri Oksanen;Tarja Oksanen

  • Pikas (Ochotona princeps : Lagomorpha) as allogenic engineers in an alpine ecosystem

    Ken Aho;Nancy Huntly;Jon Moen;Tarja Oksanen

  • Documenting lemming population change in the Arctic: Can we detect trends?

    Dorothée Ehrich;Niels M. Schmidt;Gilles Gauthier;Ray Alisauskas

  • Population fluctuations of voles in North Fennoscandian tundra : contrasting dynamics in adjacent areas with different habitat composition

    Tarja Oksanen;Michael Schneider;Ullar Rammul;Peter Hamback

  • Predators indirectly protect tundra plants by reducing herbivore abundance

    Peter A. Hambäck;Lauri Oksanen;Per Ekerholm;Åsa Lindgren

  • Arctic lemmings, Lemmus spp. and Dicrostonyx spp.: integrating ecological and evolutionary perspectives

    Tarja Oksanen;Lauri Oksanen;Jonas Dahlgren;Johan Olofsson

Frequent Co-Authors

Lauri Oksanen
Lauri Oksanen University of Turku
Terry V. Callaghan
Terry V. Callaghan University of Sheffield
Erkki Korpimäki
Erkki Korpimäki University of Turku
Risto Virtanen
Risto Virtanen University of Oulu
Philip E. Hulme
Philip E. Hulme Lincoln University
Tero Klemola
Tero Klemola University of Turku
Kai Norrdahl
Kai Norrdahl University of Turku
Peter B. Banks
Peter B. Banks University of Sydney
Jon Moen
Jon Moen Umeå University
Jouni Pulliainen
Jouni Pulliainen Finnish Meteorological Institute

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