World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
43
Citations
7089
World Ranking
5320
National Ranking
342

Best Publications

  • Long-term Trends in the Population Ecology of Polar Bears in Western Hudson Bay in Relation to Climatic Change

    Ian Stirling;Nicholas J. Lunn;John Iacozza

  • What are the toxicological effects of mercury in Arctic biota

    Rune Dietz;Christian Sonne;Niladri Basu;Birgit Braune

  • Effects of Earlier Sea Ice Breakup on Survival and Population Size of Polar Bears in Western Hudson Bay

    Eric V. Regehr;Nicholas J. Lunn;Steven C. Amstrup;Ian Stirling

  • Reproductive performance of female Antarctic fur seals: the influence of age, breeding experience, environmental variation and individual quality

    N. J. Lunn;I. L. Boyd;J. P. Croxall

  • Movements and distribution of polar bears in the Beaufort Sea

    Steven C. Amstrup;George M. Durner;I. Stirling;N.J. Lunn

  • Population Demography of Antarctic Fur Seals: The Costs of Reproduction and Implications for Life-Histories

    I.L. Boyd;J.P. Croxall;N.J. Lunn;K. Reid

  • The significance of supplemental food to polar bears during the ice-free period of Hudson Bay

    N. J. Lunn;Ian Stirling

  • Demography of an apex predator at the edge of its range: impacts of changing sea ice on polar bears in Hudson Bay.

    Nicholas J. Lunn;Sabrina Servanty;Sabrina Servanty;Eric V. Regehr;Sarah J. Converse

  • TIME BUDGETS AND FORAGING CHARACTERISTICS OF LACTATING ANTARCTIC FUR SEALS

    I. L. Boyd;N. J. Lunn;T. Barton

  • Migration phenology and seasonal fidelity of an Arctic marine predator in relation to sea ice dynamics

    Seth G. Cherry;Andrew E. Derocher;Gregory W. Thiemann;Nicholas J. Lunn

  • Polar Bear Distribution and Abundance on the Southwestern Hudson Bay Coast During Open Water Season, in Relation to Population Trends and Annual Ice Patterns

    Ian Stirling;N.J. Lunn;John Iacozza;Campbell Elliott

  • Does high organochlorine (OC) exposure impair the resistance to infection in polar bears (Ursus maritimus)? Part I: Effect of OCs on the humoral immunity.

    Elisabeth Lie;Hans J⊘rgen S. Larsen;Stig Larsen;Grethe Marie Johansen

  • Spatial and temporal patterns of problem polar bears in Churchill, Manitoba

    Lindsay Towns;A. E. Derocher;I. Stirling;I. Stirling;N. J. Lunn

  • Effects of maternal age and condition on parturition and the perinatal period of Antarctic fur seals

    N. J. Lunn;I. L. Boyd

  • Factors Affecting the Growth Rate and Mass at Weaning of Antarctic Fur Seals at Bird Island, South Georgia

    N. J. Lunn;I. L. Boyd;T. Barton;J. P. Croxall

  • Hundreds of Unrecognized Halogenated Contaminants Discovered in Polar Bear Serum.

    Yanna Liu;Evan S. Richardson;Andrew E. Derocher;Nicholas J. Lunn

  • Does High Organochlorine (OC) Exposure Impair the Resistance to Infection in Polar Bears (Ursus maritimus)? Part II: Possible Effect of OCs on Mitogen- and Antigen-Induced Lymphocyte Proliferation

    Elisabeth Lie;Hans Jørgen S Larsen;Stig Larsen;Grethe Marie Johansen

  • Conservation status of polar bears (Ursus maritimus) in relation to projected sea-ice declines.

    Eric V. Regehr;Kristin L. Laidre;H. Resit Akçakaya;Steven C. Amstrup

  • Migratory response of polar bears to sea ice loss: to swim or not to swim

    Nicholas W. Pilfold;Alysa McCall;Andrew E. Derocher;Nicholas J. Lunn

  • Rapid ecosystem change and polar bear conservation

    Andrew E. Derocher;Jon Aars;Steven C. Amstrup;Amy Cutting

Frequent Co-Authors

Andrew E. Derocher
Andrew E. Derocher University of Alberta
Ian Stirling
Ian Stirling University of Alberta
Kristin L. Laidre
Kristin L. Laidre University of Washington
Erik W. Born
Erik W. Born University of Alberta
Øystein Wiig
Øystein Wiig University of Oslo
David W. Coltman
David W. Coltman University of Western Ontario
Gregory W. Thiemann
Gregory W. Thiemann York University
Steven H. Ferguson
Steven H. Ferguson Fisheries and Oceans Canada
Patrick J. Heagerty
Patrick J. Heagerty University of Washington
Bjørn Munro Jenssen
Bjørn Munro Jenssen Norwegian University of Science and Technology

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