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Fritz Geiser

D-Index & Metrics

Biology and Biochemistry

D-Index
73
Citations
16921
World Ranking
6018
National Ranking
146

Fritz Geiser publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Fritz Geiser sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 286 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Fritz Geiser D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Fritz Geiser sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 73 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Fritz Geiser is affiliated with the University of New England in Australia and has a substantial body of research primarily within the fields of Agricultural and Biological Sciences and Environmental Science. Their work extends across various subfields, notably Ecology, Evolution, Behavior and Systematics, Animal Science and Zoology, Physiology, and Infectious Diseases.

The scientist's research focuses on several main topics, including:

  • Bat Biology and Ecology Studies
  • Effects of Environmental Stressors on Livestock
  • Physiological and Biochemical Adaptations
  • Marine Animal Studies Overview
  • Adipose Tissue and Metabolism
  • Viral Infections and Vectors
  • Urban Heat Island Mitigation

Geiser has contributed to numerous publications, with several papers published in prominent journals. Selected recent papers include:

  • Seasonal Expression of Avian and Mammalian Daily Torpor and Hibernation: Not a Simple Summer-Winter Affair, 2020, Frontiers in Physiology
  • Growing Up in a Changing Climate: How Temperature Affects the Development of Morphological, Behavioral and Physiological Traits of a Marsupial Mammal, 2020, Frontiers in Physiology
  • Rare and Opportunistic Use of Torpor in Mammals-An Echo from the Past?, 2023, Integrative and Comparative Biology
  • Hypothesis and Theory: A Two-Process Model of Torpor-Arousal Regulation in Hibernators, 2022, Frontiers in Physiology
  • Long-term survival, temperature, and torpor patterns, 2023, Scientific Reports

Frequent co-authors collaborating with Geiser include Gerhard Körtner, Clare Stawski, Yaara Aharon-Rotman, Shannon E. Currie, and Chris B. Wacker.

Publication venues where Geiser has multiple contributions are:

  • Frontiers in Physiology
  • Australian Journal of Zoology
  • Journal of Experimental Biology
  • Physiological and Biochemical Zoology
  • Integrative and Comparative Biology

In addition to journal articles, Geiser has authored a book titled Ecological Physiology of Daily Torpor and Hibernation, published by Springer International Publishing in 2021.

Best Publications

  • Metabolic Rate and Body Temperature Reduction During Hibernation and Daily Torpor

    Fritz Geiser

  • Daily torpor and hibernation in birds and mammals.

    Thomas Ruf;Thomas Ruf;Fritz Geiser

  • Hibernation versus Daily Torpor in Mammals and Birds: Physiological Variables and Classification of Torpor Patterns

    Fritz Geiser;Thomas Ruf

  • Reduction of metabolism during hibernation and daily torpor in mammals and birds: temperature effect or physiological inhibition?

    Fritz Geiser

  • The temporal organization of daily torpor and hibernation: circadian and circannual rhythms.

    Gerhard Körtner;Fritz Geiser

  • Torpor Duration in Relation to Temperature and Metabolism in Hibernating Ground Squirrels

    Fritz Geiser;G. J. Kenagy

  • Polyunsaturated lipid diet lengthens torpor and reduces body temperature in a hibernator

    F. Geiser;G. J. Kenagy

  • EVOLUTION OF DAILY TORPOR AND HIBERNATION IN BIRDS AND MAMMALS: IMPORTANCE OF BODY SIZE

    Fritz Geiser

  • Deep, prolonged torpor by pregnant, free-ranging bats

    Craig K. R. Willis;R. Mark Brigham;Fritz Geiser

  • Hibernation and daily torpor minimize mammalian extinctions.

    Fritz Geiser;Christopher Turbill

  • Periodic arousals in hibernating mammals: is evaporative water loss involved?

    D. W. Thomas;F. Geiser

  • Torpor, thermal biology, and energetics in Australian long-eared bats (Nyctophilus).

    F. Geiser;R. M. Brigham

  • The importance of temporal heterothermy in bats

    Clare Stawski;Clare Stawski;C K R Willis;Fritz Geiser

  • Torpor and activity patterns in free-ranging sugar gliders Petaurus breviceps (Marsupialia)

    Gerhard Kortner;Fritz Geiser

  • Seasonality of torpor and thermoregulation in three dasyurid marsupials

    Fritz Geiser;R. V. Baudinette

  • Adaptations to the Cold

    F Geiser;AJ Hulbert;SC Nicol

  • Body mass dependent use of hibernation: why not prolong the active season, if they can?

    Claudia Bieber;Claudia Bieber;Karin Lebl;Gabrielle Stalder;Fritz Geiser

  • The Other Functions of Torpor

    Fritz Geiser;R. Mark Brigham

  • The effect of unsaturated and saturated dietary lipids on the pattern of daily torpor and the fatty acid composition of tissues and membranes of the deer mouse Peromyscus maniculatus.

    Fritz Geiser

  • Radiant heat affects thermoregulation and energy expenditure during rewarming from torpor.

    F. Geiser;R. L. Drury

Frequent Co-Authors

Gerhard Körtner
Gerhard Körtner University of New England
R. Mark Brigham
R. Mark Brigham University of Regina
Christopher Turbill
Christopher Turbill University of Sydney
Craig K. R. Willis
Craig K. R. Willis University of Winnipeg
Philip C. Withers
Philip C. Withers University of Western Australia
Bradley Law
Bradley Law New South Wales Department of Primary Industries
Roger S. Seymour
Roger S. Seymour University of Adelaide
Shuyi Zhang
Shuyi Zhang Shenyang Agricultural University
Michael Archer
Michael Archer University of New South Wales
Gareth Jones
Gareth Jones University of Bristol

External Links

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Best Scientists Citing Fritz Geiser

Kenneth B. Storey

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Publications: 50

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John R. Speakman

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R. Mark Brigham

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Publications: 35

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Gerhard Heldmaier

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Publications: 32

C. Loren Buck

C. Loren Buck

Northern Arizona University

Publications: 28

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Publications: 27

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Publications: 25

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Publications: 24

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Publications: 24

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Publications: 24

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