All Stories

  1. Evidence of rapid change in genetic structure and diversity during range expansion in a recovering large terrestrial carnivore

    Article • Proceedings of the Royal Society B Biological Sciences, April 2015, Royal Society Publishing

    Dr Snorre B. Hagen

  2. Admixture and Gene Flow from Russia in the Recovering Northern European Brown Bear (Ursus arctos)

    Article • PLoS ONE, May 2014, PLOS

    Dr Snorre B. Hagen

  3. A Modification of the Hair-Trapping Method for Surveillance of Problematic Bear Activity Close to a Farm — a Case Study from the Pasvik Valley in Norway

    Article • Annales Zoologici Fennici, November 2013, Finnish Zoological and Botanical Publishing Board

    Dr Snorre B. Hagen

  4. Predator release from invertebrate generalists does not explain geometrid moth (Lepidoptera: Geometridae) outbreaks at high altitudes

    Article • The Canadian Entomologist, January 2013, Cambridge University Press

    Dr Snorre B. Hagen

  5. A sensitive and specific multiplex PCR approach for sex identification of ursine and tremarctine bears suitable for non‐invasive samples

    Article • Molecular Ecology Resources, January 2013, Wiley

    Dr Frank Hailer, Dr Snorre B. Hagen

  6. Ecosystem Impacts of a Range Expanding Forest Defoliator at the Forest-Tundra Ecotone

    Article • Ecosystems, December 2012, Springer Science + Business Media

    Dr Snorre B. Hagen

  7. A forensic DNA profiling system for Northern European brown bears (Ursus arctos)

    Article • Forensic Science International Genetics, December 2012, Elsevier

    Dr Snorre B. Hagen

  8. Sources of variation in larval parasitism of two sympatrically outbreaking birch forest defoliators

    Article • Ecological Entomology, November 2012, Wiley

    Dr Snorre B. Hagen

  9. Identification and evaluation of novel di- and tetranucleotide microsatellite markers from the brown bear (Ursus arctos)

    Article • Conservation Genetics Resources, April 2012, Springer Science + Business Media

    Dr Frank Hailer, Dr Snorre B. Hagen

  10. Connectivity and population subdivision at the fringe of a large brown bear (Ursus arctos) population in North Western Europe

    Article • Conservation Genetics, January 2012, Springer Science + Business Media

    Dr Snorre B. Hagen

  11. Rapid northwards expansion of a forest insect pest attributed to spring phenology matching with sub-Arctic birch

    Article • Global Change Biology, December 2010, Wiley

    Dr Snorre B. Hagen

  12. Are population outbreaks in sub-arctic geometrids terminated by larval parasitoids?

    Article • Journal of Animal Ecology, May 2010, Wiley

    Dr Snorre B. Hagen

  13. Spatially patterned guild structure in larval parasitoids of cyclically outbreaking winter moth populations

    Article • Ecological Entomology, April 2010, Wiley

    Dr Snorre B. Hagen

  14. Large-scale grazing history effects on Arctic-alpine germinable seed banks

    Article • Plant Ecology, October 2009, Springer Science + Business Media

    Dr Snorre B. Hagen

  15. Monitoring the spatio-temporal dynamics of geometrid moth outbreaks in birch forest using MODIS-NDVI data

    Article • Remote Sensing of Environment, September 2009, Elsevier

    Dr Snorre B. Hagen

  16. No Impact of Pupal Predation on the Altitudinal Distribution of Autumnal Moth and Winter Moth (Lepidoptera: Geometridae) in Sub-Arctic Birch Forest

    Article • Environmental Entomology, June 2009, Oxford University Press (OUP)

    Dr Snorre B. Hagen

  17. Response to Sinkkonen: Ultraviolet reflectance in autumn leaves and the un-naming of colours

    Article • Trends in Ecology & Evolution, May 2009, Elsevier

    Dr Thomas Felix Döring, Professor Simon R Leather, Dr Snorre B. Hagen

  18. Unravelling the evolution of autumn colours: an interdisciplinary approach

    Article • Trends in Ecology & Evolution, March 2009, Elsevier

    Dr Thomas Felix Döring, Professor Simon R Leather, Dr Snorre B. Hagen

  19. Climate change and outbreaks of the geometrids Operophtera brumata and Epirrita autumnata in subarctic birch forest: evidence of a recent outbreak range expansion

    Article • Journal of Animal Ecology, March 2008, Wiley

    Dr Snorre B. Hagen

  20. Fluctuating asymmetry as an indicator of elevation stress and distribution limits in mountain birch (Betula pubescens)

    Article • Plant Ecology, June 2007, Springer Science + Business Media

    Dr Snorre B. Hagen

  21. Shifting altitudinal distribution of outbreak zones of winter mothOperophtera brumatain sub-arctic birch forest: a response to recent climate warming?

    Article • Ecography, April 2007, Wiley

    Dr Snorre B. Hagen

  22. Shifting altitudinal distribution of outbreak zones of winter moth Operophtera brumata in sub-arctic birch forest: a response to recent climate warming?

    Article • Ecography, April 2007, Wiley

    Dr Snorre B. Hagen

  23. Benzo(a)pyrene shows low toxicity to three species of terrestrial plants, two soil invertebrates, and soil-nitrifying bacteria

    Article • Ecotoxicology and Environmental Safety, March 2007, Elsevier

    Prof. Dr C.A.M. van Gestel, Dr Snorre B. Hagen

  24. Functional and community-level soil microbial responses to zinc addition may depend on test system biocomplexity

    Article • Chemosphere, December 2006, Elsevier

    Prof. Dr C.A.M. van Gestel, Dr Snorre B. Hagen

  25. Density-Dependent Melanism in Winter Moth Larvae (Lepidoptera: Geometridae): A Countermeasure Against Parasitoids?

    Article • Environmental Entomology, October 2006, Oxford University Press (OUP)

    Dr Snorre B. Hagen

  26. EFFECTS AND UPTAKE OF POLYCYCLIC AROMATIC COMPOUNDS IN SNAILS (HELIX ASPERSA)

    Article • Environmental Toxicology and Chemistry, January 2006, Wiley

    Dr Snorre B. Hagen

  27. Phenology and abundance in relation to climatic variation in a sub-arctic insect herbivore–mountain birch system

    Article • Oecologia, July 2005, Springer Science + Business Media

    Dr Snorre B. Hagen

  28. Do sub‐Arctic winter moth populations in coastal birch forest exhibit spatially synchronous dynamics?

    Article • Journal of Animal Ecology, October 2004, Wiley

    Dr Snorre B. Hagen

  29. Density-dependent melanism in sub-arctic populations of winter moth larvae (Operophtera brumata )

    Article • Ecological Entomology, December 2003, Wiley

    Dr Snorre B. Hagen

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

    Article • Ecology Letters, September 2003, Wiley

    Dr Snorre B. Hagen

  31. Responses of great tits Parus major to small tortoiseshells Aglais urticae in feeding trials; evidence of aposematism

    Article • Ecological Entomology, July 2003, Wiley

    Dr Snorre B. Hagen

  32. Comparative toxicity of acrylic acid to marine and freshwater microalgae and the significance for environmental effects assessments

    Article • Chemosphere, November 2001, Elsevier

    Dr Snorre B. Hagen