World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
58
Citations
10246
World Ranking
2610
National Ranking
924

Overview

Steven C. Amstrup is affiliated with the United States Geological Survey in the United States. Their research focuses primarily on Earth and Planetary Sciences, with a significant number of publications in Environmental Science. Within these areas, subfields of study include Atmospheric Science, Ecology, General Health Professions, Aerospace Engineering, and Oceanography.

The scientist's work covers several specific topics, including:

  • Marine animal studies overview
  • Arctic and Antarctic ice dynamics
  • Cryospheric studies and observations
  • Indigenous Studies and Ecology
  • Wildlife Ecology and Conservation
  • Aerospace Engineering and Energy Systems
  • Ocean Acidification Effects and Responses

Recent scholarly articles authored or co-authored by Steven C. Amstrup include:

  • Fasting season length sets temporal limits for global polar bear persistence, 2020, Nature Climate Change
  • Anthropogenic food: an emerging threat to polar bears, 2022, Oryx
  • Efficacy of aerial forward-looking infrared surveys for detecting polar bear maternal dens, 2020, PLoS ONE
  • Catalogue of polar bear (Ursus maritimus) maternal den locations in the Beaufort and Chukchi Seas and nearby areas, 1910-2018, 2020, Data series
  • The acute physiological response of polar bears to helicopter capture, 2022, Journal of Wildlife Management

Frequent publication venues for Amstrup's work include:

  • Nature Climate Change
  • Oryx
  • PLoS ONE
  • Journal of Wildlife Management
  • Ecological Indicators

The scientist has collaborated regularly with colleagues such as Cecilia M. Bitz, Tom S. Smith, George M. Durner, Anthony M. Pagano, and Todd C. Atwood.

Best Publications

  • Handbook of Capture-Recapture Analysis

    Steven C. Amstrup;Trent L. McDonald;Bryan F. J. Manly

  • Predicting 21st‐century polar bear habitat distribution from global climate models

    George M. Durner;David C. Douglas;Ryan M. Nielson;Steven C. Amstrup

  • 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

  • Climate change threatens polar bear populations: a stochastic demographic analysis

    Christine M. Hunter;Hal Caswell;Michael C. Runge;Eric V. Regehr

  • Genetic structure of the world's polar bear populations.

    David Paetkau;Steven C. Amstrup;E.W. Born;W. Calvert

  • Reduced body size and cub recruitment in polar bears associated with sea ice decline

    Karyn D. Rode;Steven C. Amstrup;Eric V. Regehr;Eric V. Regehr

  • Activity Patterns of Radio-Collared Black Bears in Idaho

    Steven C. Amstrup;John Beecham

  • Survival and breeding of polar bears in the southern Beaufort Sea in relation to sea ice

    Eric V. Regehr;Christine M. Hunter;Hal Caswell;Steven C. Amstrup

  • Climate change threatens the world’s marine protected areas

    John F. Bruno;Amanda E. Bates;Amanda E. Bates;Chris Cacciapaglia;Elizabeth P. Pike

  • A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears

    Steven C. Amstrup;Bruce G. Marcot;David C. Douglas

  • Polar bear maternity denning in the Beaufort Sea

    Steven C. Amstrup;Craig L. Gardner

  • Movements and distribution of polar bears in the Beaufort Sea

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

  • Polar bear population dynamics in the southern Beaufort Sea during a period of sea ice decline

    Jeffrey F. Bromaghin;Trent L. McDonald;Ian Stirling;Andrew E. Derocher

  • Greenhouse gas mitigation can reduce sea-ice loss and increase polar bear persistence

    Steven C. Amstrup;Eric T. DeWeaver;David C. Douglas;Bruce G. Marcot

  • Tracking Wildlife by Satellite: Current Systems and Performance

    Richard B. Harris;Steven G. Fancy;David C. Douglas;Gerald W. Garner

  • Landward and eastward shift of Alaskan polar bear denning associated with recent sea ice changes

    Anthony S. Fischbach;Steven C. Amstrup;David C. Douglas

  • Interspecific and intraspecific mitochondrial DNA variation in North American bears (Ursus)

    Matthew A. Cronin;Steven C. Amstrup;Gerald W. Garner;Ernest R. Vyse

  • Recent observations of intraspecific predation and cannibalism among polar bears in the southern Beaufort Sea

    Steven C. Amstrup;Ian Stirling;Tom S. Smith;Craig Perham

  • Marine Mammal Survey and Assessment Methods

    Stephen T. Buckland;G. W. Garner;S. C. Amstrup;J. L. Laake

  • Variation in winter diet of southern Beaufort Sea polar bears inferred from stable isotope analysis

    T.W. Bentzen;Erich H. Follmann;Steven C. Amstrup;G.S. York

  • Can polar bears use terrestrial foods to offset lost ice‐based hunting opportunities?

    Karyn D Rode;Charles T Robbins;Lynne Nelson;Steven C Amstrup

  • The Polar Bear — Ursus maritimus

    Steven C. Amstrup

Frequent Co-Authors

Ian Stirling
Ian Stirling University of Alberta
Trent L. McDonald
Trent L. McDonald Independent Scientist / Consultant, US
David C. Douglas
David C. Douglas United States Geological Survey
Øystein Wiig
Øystein Wiig University of Oslo
Karyn D. Rode
Karyn D. Rode United States Geological Survey
Andrew E. Derocher
Andrew E. Derocher University of Alberta
Todd C. Atwood
Todd C. Atwood United States Geological Survey
Todd M. O'Hara
Todd M. O'Hara University of Alaska Fairbanks
Erik W. Born
Erik W. Born University of Alberta
Jon Aars
Jon Aars Norwegian Polar Institute

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