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Richard W. Castenholz

Richard W. Castenholz

D-Index & Metrics

Biology and Biochemistry

D-Index
67
Citations
15329
World Ranking
8250
National Ranking
3731

Richard W. Castenholz 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 Richard W. Castenholz 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: 140 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Richard W. Castenholz 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 Richard W. Castenholz 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: 67 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1970 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1968 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Richard W. Castenholz is affiliated with the University of Oregon in the United States. Their research spans various subfields including Ecology, Evolution, Behavior and Systematics, with notable contributions to Ecology and Molecular Biology. The scientist's work also engages with Renewable Energy, Sustainability and the Environment, as well as aspects of General Health Professions. The main research topics covered include Biocrusts and Microbial Ecology, Microbial Community Ecology and Physiology, Protist Diversity and Phylogeny, Algal Biology and Biofuel Production, Diatoms and Algae Research, Polar Research and Ecology, and Photosynthetic Processes and Mechanisms.

Frequent co-authors in their publications are Matthias Hess, Nancy Hess, Galya Orr, Douglas Baxter, and Mark Bowden, reflecting ongoing collaborative research efforts.

Castenholz's publication record includes papers published in multiple venues, with a significant number appearing in OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). Other publication venues include Bergey's Manual of Systematics of Archaea and Bacteria, Frontiers in Microbiology, Microbiology, and Société française de médecine thermale.

Recent papers authored or co-authored by Castenholz include:

  • Phototrophic Co-cultures From Extreme Environments: Community Structure and Potential Value for Fundamental and Applied Research, 2020, Frontiers in Microbiology
  • Photochemical changes during rehydration of an intertidal cyanobacterial mat exposed to variations in salinity and light intensity, 2021, Microbiology
  • LE RÔLE DES CYANOBACTÉRIES ET AUTRES PHOTOTROPHES DANS LES ÉCOSYSTÈMES DES SOURCES CHAUDES, 2021, Société française de médecine thermale
  • Isosphaera, 2021, Bergey's Manual of Systematics of Archaea and Bacteria
  • Iyengariella, 2022, Bergey's Manual of Systematics of Archaea and Bacteria

The scientist has received recognition through awards such as Fellow of the American Association for the Advancement of Science (AAAS) in 1968 and Fellow of the John Simon Guggenheim Memorial Foundation in 1970.

Best Publications

  • CHARACTERIZATION AND BIOLOGICAL IMPLICATIONS OF SCYTONEMIN, A CYANOBACTERIAL SHEATH PIGMENT

    Ferran Garcia-Pichel;Richard W. Castenholz

  • A Phototrophic Gliding Filamentous Bacterium of Hot Springs, Chloroflexus Aurantiacus, Gen. And Sp. Nov

    Beverly K. Pierson;Richard W. Castenholz

  • Occurrence of UV-Absorbing, Mycosporine-Like Compounds among Cyanobacterial Isolates and an Estimate of Their Screening Capacity

    Ferran Garcia-Pichel;Richard W. Castenholz

  • Phylum BX. Cyanobacteria

    Richard W. Castenholz;Annick Wilmotte;Michael Herdman;Rosmarie Rippka

  • The structure of scytonemin, an ultraviolet sunscreen pigment from the sheaths of cyanobacteria.

    P. J. Proteau;W. H. Gerwick;W. H. Gerwick;F. Garcia-Pichel;F. Garcia-Pichel;R. Castenholz;R. Castenholz

  • A thermophilic green sulfur bacterium from New Zealand hot springs, Chlorobium tepidum sp. nov.

    Thomas M. Wahlund;Carl R. Woese;Richard W. Castenholz;Michael T. Madigan

  • EVIDENCE FOR AN ULTRAVIOLET SUNSCREEN ROLE OF THE EXTRACELLULAR PIGMENT SCYTONEMIN IN THE TERRESTRIAL CYANOBACTERIUM Chiorogloeopsis sp.

    Ferran Garcia‐Pichel;Nelson D. Sherry;Richard W. Castenholz

  • Evidence Regarding the UV Sunscreen Role of a Mycosporine-Like Compound in the Cyanobacterium Gloeocapsa sp.

    Ferran Garcia-Pichel;Christopher E. Wingard;Richard W. Castenholz

  • Cyanobacterial Responses to UV Radiation

    Richard W. Castenholz;Ferran Garcia-Pichel

  • Growth and photosynthesis in an extreme thermophile, Synechococcus lividus (Cyanophyta).

    John C. Meeks;Richard W. Castenholz

  • The Archaea and the deeply branching and phototrophic bacteria

    David R. Boone;Richard W. Castenholz;George M. Garrity;James T. Staley

  • Cyanobacteria in Geothermal Habitats

    David M. Ward;Richard W. Castenholz;Scott R. Miller

  • Studies of pigments and growth in Chloroflexus aurantiacus , a phototrophic filamentous bacterium

    Beverly K. Pierson;Beverly K. Pierson;Richard W. Castenholz

  • PROPOSAL TO PLACE NOMENCLATURE OF CYANOBACTERIA (BLUE-GREEN-ALGAE) UNDER RULES OF INTERNATIONAL CODE OF NOMENCLATURE OF BACTERIA

    R. Y. Stanier;W. R. Sistrom;T. A. Hansen;B. A. Whitton

  • SPECIES USAGE, CONCEPT, AND EVOLUTION IN THE CYANOBACTERIA (BLUE‐GREEN ALGAE)

    Richard W. Castenholz

  • Effect of environmental factors on the synthesis of scytonemin, a UV-screening pigment, in a cyanobacterium (Chroococcidiopsis sp.).

    Jesse G. Dillon;Cecelia M. Tatsumi;Patrick G. Tandingan;Richard W. Castenholz

  • Evolution of thermotolerance in hot spring cyanobacteria of the genus Synechococcus.

    Scott R. Miller;Richard W. Castenholz

  • Effects of periodic desiccation on the synthesis of the UV-screening compound, scytonemin, in cyanobacteria

    Erich D. Fleming;Richard W. Castenholz

  • Community structure and pigment organisation of cyanobacteria-dominated microbial mats in Antarctica

    W.F. Vincent;M.T. Downes;R.W. Castenholz;C. Howard-Williams

  • Diel Migrations of Microorganisms within a Benthic, Hypersaline Mat Community

    Ferran Garcia-Pichel;Ferran Garcia-Pichel;Margaret Mechling;Richard W. Castenholz

Frequent Co-Authors

Ferran Garcia-Pichel
Ferran Garcia-Pichel Arizona State University
Timothy R. McDermott
Timothy R. McDermott Montana State University
William H. Gerwick
William H. Gerwick University of California, San Diego
Stephen J. Giovannoni
Stephen J. Giovannoni Oregon State University
David M. Ward
David M. Ward Montana State University
Warwick F. Vincent
Warwick F. Vincent Université Laval
Walter K. Dodds
Walter K. Dodds Kansas State University
Clive Howard-Williams
Clive Howard-Williams National Institute of Water and Atmospheric Research
Bo Barker Jørgensen
Bo Barker Jørgensen Aarhus University
George M. Garrity
George M. Garrity Michigan State University

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