World's Best Scientists 2026 revealed!
George K. Iwama

George K. Iwama

D-Index & Metrics

Biology and Biochemistry

D-Index
66
Citations
18810
World Ranking
8542
National Ranking
294

George K. Iwama 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 George K. Iwama 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: 136 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

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

George K. Iwama 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 George K. Iwama 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: 66 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Overview

George K. Iwama is affiliated with Acadia University in Canada. Their academic profile focuses primarily on scientific research carried out within this institution.

There are no recorded recent papers, co-authors, or frequent publication venues available for this researcher. Similarly, no book publications have been documented.

No specific main fields of study, subfields, or main research topics have been identified. Additionally, there is no information about awards received by this individual.

This profile reflects the data currently available for George K. Iwama without further details on their academic output or areas of expertise.

Best Publications

  • Physiological changes in fish from stress in aquaculture with emphasis on the response and effects of corticosteroids

    Bruce A. Barton;George K. Iwama

  • Fish stress and health in aquaculture

    G. K. Iwama

  • Heat shock protein genes and their functional significance in fish

    N. Basu;A.E. Todgham;P.A. Ackerman;M.R. Bibeau

  • Heat shock protein expression in fish

    George K. Iwama;Philip T. Thomas;Robert B. Forsyth;Mathilakath M. Vijayan

  • Heat Shock Proteins and Physiological Stress in Fish

    George K. Iwama;Mathilakath M. Vijayan;Rob B. Forsyth;Paige A. Ackerman

  • Stress in Fish

    George K. Iwama

  • Metabolic Responses Associated with Confinement Stress in Tilapia: The Role of Cortisol

    Mathilakath M. Vijayan;Cristina Pereira;E.Gordon Grau;George K. Iwama

  • The effects of five fish anaesthetics on acid–base balance, hematocrit, blood gases, cortisol, and adrenaline in rainbow trout

    George K. Iwama;James C. McGeer;Mark P. Pawluk

  • Effects of Salinity on Growth, Metabolism, and Ion Regulation in Juvenile Rainbow and Steelhead Trout (Oncorhynchus mykiss) and Fall Chinook Salmon (Oncorhynchus tshawytscha)

    John D. Morgan;George K. Iwama

  • A Simple Growth Model for Salmonids in Hatcheries

    George K. Iwama;Arthur F. Tautz

  • Are hsps suitable for indicating stressed states in fish

    George K. Iwama;Luis O. B. Afonso;Anne Todgham;Paige Ackerman

  • The fish immune system : organism, pathogen, and environment

    G. Iwama;T. Nakanishi

  • Appendix: Physicochemical Parameters for use in Fish Respiratory Physiology*

    Robert G. Boutilier;Thomas A. Heming;George K. Iwama

  • Interactions between aquaculture and the environment

    George K. Iwama

  • PCR primed with VNTR core sequences yields species specific patterns and hypervariable probes.

    D D Heath;G K Iwama;R H Devlin

  • The Effects of Cortisol on Heat Shock Protein 70 Levels in Two Fish Species

    N. Basu;T. Nakano;E.G. Grau;G.K. Iwama

  • Occurrence of polyploidy in the fishes

    Rosalind A. Leggatt;George K. Iwama;George K. Iwama

  • Physiological and Respiratory Responses of the Mozambique Tilapia (Oreochromis mossambicus) to Salinity Acclimation

    John D Morgan;Tatsuya Sakamoto;E.Gordon Grau;George K Iwama

  • Stress Protein Expression in Coho Salmon with Bacterial Kidney Disease

    R. B. Forsyth;E. P. M. Candido;S. L. Babich;G. K. Iwama

  • Stress hormones and the cellular stress response in salmonids

    P.A. Ackerman;R.B. Forsyth;C.F. Mazur;G.K. Iwama

Frequent Co-Authors

Daniel D. Heath
Daniel D. Heath University of Windsor
David J. Randall
David J. Randall University of British Columbia
Robert H. Devlin
Robert H. Devlin Fisheries and Oceans Canada
Chris M. Wood
Chris M. Wood University of British Columbia
Niladri Basu
Niladri Basu McGill University
Patricia A. Wright
Patricia A. Wright University of Guelph
E. Gordon Grau
E. Gordon Grau University of Hawaii at Manoa
Edward M. Donaldson
Edward M. Donaldson Fisheries and Oceans Canada
Patricia M. Schulte
Patricia M. Schulte University of British Columbia
Jonathan M. Wilson
Jonathan M. Wilson Wilfrid Laurier University

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