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Steven C. Amstrup

D-Index & Metrics

Ecology and Evolution

D-Index
58
Citations
10246
World Ranking
2605
National Ranking
924

Steven C. Amstrup publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Steven C. Amstrup sits on this spectrum.

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37 publications 531+

This scientist: 139 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Steven C. Amstrup D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Steven C. Amstrup sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 58 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

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

External Links

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Best Scientists Citing Steven C. Amstrup

Andrew E. Derocher

Andrew E. Derocher

University of Alberta

Publications: 102

Ian Stirling

Ian Stirling

University of Alberta

Publications: 87

Rune Dietz

Rune Dietz

Aarhus University

Publications: 50

Øystein Wiig

Øystein Wiig

University of Oslo

Publications: 50

Kristin L. Laidre

Kristin L. Laidre

University of Washington

Publications: 47

Jon Aars

Jon Aars

Norwegian Polar Institute

Publications: 44

Christian Sonne

Christian Sonne

Aarhus University

Publications: 44

Todd C. Atwood

Todd C. Atwood

United States Geological Survey

Publications: 40

Erik W. Born

Erik W. Born

University of Alberta

Publications: 35

Bjørn Munro Jenssen

Bjørn Munro Jenssen

Norwegian University of Science and Technology

Publications: 34

Karyn D. Rode

Karyn D. Rode

United States Geological Survey

Publications: 33

Steven H. Ferguson

Steven H. Ferguson

Fisheries and Oceans Canada

Publications: 33

Gregory W. Thiemann

Gregory W. Thiemann

York University

Publications: 29

Robert J. Letcher

Robert J. Letcher

Carleton University

Publications: 27

David C. Douglas

David C. Douglas

United States Geological Survey

Publications: 23

David L. Garshelis

David L. Garshelis

Minnesota Department of Natural Resources

Publications: 22

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