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Robert N. Fisher

D-Index & Metrics

Ecology and Evolution

D-Index
48
Citations
9761
World Ranking
4198
National Ranking
1464

Robert N. Fisher 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 Robert N. Fisher sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 269 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Robert N. Fisher 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 Robert N. Fisher 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: 48 D-Index — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Overview

Robert N. Fisher is affiliated with the United States Geological Survey in the United States. Their research primarily falls within the field of Environmental Science, with a strong focus on Ecology and related subfields such as Global and Planetary Change, Ecological Modeling, Nature and Landscape Conservation, and Genetics.

The main topics addressed in Fisher's work include Amphibian and Reptile Biology, Species Distribution and Climate Change, Wildlife Ecology and Conservation, Wildlife-Road Interactions and Conservation, Genomics and Phylogenetic Studies, Genetic Diversity and Population Structure, and Plant and Animal Studies.

Frequent coauthors collaborating with Fisher include Jonathan Q. Richmond, Adam R. Backlin, H. Bradley Shaffer, Cheryl S. Brehme, and Brian J. Halstead.

Publication venues where Fisher has frequently appeared are:

  • Journal of Heredity
  • Ecology and Evolution
  • Bulletin Southern California Academy of Sciences
  • Frontiers in Conservation Science
  • Conservation Science and Practice

Recent papers authored or coauthored by Fisher include:

  • Batrachochytrium salamandrivorans (Bsal) not detected in an intensive survey of wild North American amphibians, 2020, Scientific Reports
  • Amphibian responses in the aftermath of extreme climate events, 2020, Scientific Reports
  • Influence of niche breadth and position on the historical biogeography of seafaring scincid lizards, 2020, Biological Journal of the Linnean Society
  • Gut microbial ecology of the Critically Endangered Fijian crested iguana (Brachylophus vitiensis): Effects of captivity status and host reintroduction on endogenous microbiomes, 2021, Ecology and Evolution
  • The influence of species life history and distribution characteristics on species responses to habitat fragmentation in an urban landscape, 2020, Journal of Animal Ecology

Best Publications

  • The Decline of Amphibians in California’s Great Central Valley

    Robert N. Fisher;H. Bradley Shaffer

  • A comparative analysis of clinging ability among pad‐bearing lizards

    Duncan J. Irschick;Christopher C. Austin;Ken Petren;Robert N. Fisher;Robert N. Fisher

  • The role of natural history collections in documenting species declines.

    H.Bradley Shaffer;Robert N Fisher;Carlos Davidson

  • Effects of urbanization on carnivore species distribution and richness

    Miguel A. Ordeñana;Kevin R. Crooks;Erin E. Boydston;Robert N. Fisher

  • Effects of Urbanization on the Distribution and Abundance of Amphibians and Invasive Species in Southern California Streams

    Seth P. D. Riley;Gary T. Busteed;Lee B. Kats;Thomas L. Vandergon

  • Quantitative evidence for the effects of multiple drivers on continental-scale amphibian declines

    Evan H. Campbell Grant;David A. W. Miller;Benedikt R. Schmidt;Michael J. Adams

  • A Rapid, Strong, and Convergent Genetic Response to Urban Habitat Fragmentation in Four Divergent and Widespread Vertebrates

    Kathleen Semple Delaney;Seth P. D. Riley;Robert N. Fisher

  • Quantifying ecological, morphological, and genetic variation to delimit species in the coast horned lizard species complex (Phrynosoma).

    Adam D. Leaché;Michelle S. Koo;Carol L. Spencer;Theodore J. Papenfuss

  • Trends in Amphibian Occupancy in the United States

    Michael J. Adams;David A. W. Miller;David A. W. Miller;Erin Muths;Paul Stephen Corn

  • Are hotspots of evolutionary potential adequately protected in southern California

    Amy G. Vandergast;Andrew J. Bohonak;Stacie A. Hathaway;Joshua Boys

  • A systematic survey of the integration of animal behavior into conservation

    Oded Berger-Tal;Daniel T. Blumstein;Scott Carroll;Robert N. Fisher

  • Effect of species rarity on the accuracy of species distribution models for reptiles and amphibians in southern California

    Janet Franklin;Katherine E. Wejnert;Stacie A. Hathaway;Carlton J. Rochester

  • The Status and Distribution of the Freshwater Fishes of Southern California

    Camm C. Swift;Thomas R. Haglund;Mario Ruiz;Robert N. Fisher

  • EffEcts of ArtificiAl Night lightiNg oN AmphibiANs ANd rEptilEs iN UrbAN ENviroNmENts

    Gad Perry;Bryant W. Buchanan;Robert N. Fisher;Mike Salmon

  • Quantifying climate sensitivity and climate-driven change in North American amphibian communities

    David A. W. Miller;Evan H. Campbell Grant;Erin Muths;Staci M. Amburgey

  • Understanding the genetic effects of recent habitat fragmentation in the context of evolutionary history: phylogeography and landscape genetics of a southern California endemic Jerusalem cricket (Orthoptera: Stenopelmatidae: Stenopelmatus)

    Amy G. Vandergast;Andrew J. Bohonak;David B. Weissman;Robert N. Fisher

  • Globally important islands where eradicating invasive mammals will benefit highly threatened vertebrates.

    Nick D. Holmes;Dena R. Spatz;Steffen Oppel;Bernie Tershy

  • Permeability of Roads to Movement of Scrubland Lizards and Small Mammals

    Cheryl S. Brehme;Jeff A. Tracey;Leroy R. Mcclenaghan;Robert N. Fisher

  • BIOTIC AND ABIOTIC CONTROLS OF ARGENTINE ANT INVASION SUCCESS AT LOCAL AND LANDSCAPE SCALES

    S. B. Menke;R. N. Fisher;W. Jetz;D. A. Holway

  • Spatial Patterns in the Abundance of the Coastal Horned Lizard

    Robert N. Fisher;Andrew V. Suarez;Andrew V. Suarez;Ted J. Case

  • Trace Elements in Stormflow, Ash, and Burned Soil following the 2009 Station Fire in Southern California

    Carmen A. Burton;Todd M. Hoefen;Geoffrey S. Plumlee;Katherine L. Baumberger

Frequent Co-Authors

Ted J. Case
Ted J. Case University of California, San Diego
Seth P. D. Riley
Seth P. D. Riley National Park Service
Kevin R. Crooks
Kevin R. Crooks Colorado State University
Erin Muths
Erin Muths United States Geological Survey
H. Bradley Shaffer
H. Bradley Shaffer University of California, Los Angeles
Evan H. Campbell Grant
Evan H. Campbell Grant United States Geological Survey
Susan C. Walls
Susan C. Walls United States Geological Survey
Donald W. Duszynski
Donald W. Duszynski University of New Mexico
Lee B. Kats
Lee B. Kats Pepperdine University
Juha Laakkonen
Juha Laakkonen University of Helsinki

External Links

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Related Online Degrees & Career Pathways

Exploring a career in Ecology and Evolution can open doors to various interdisciplinary fields. Many students expand their knowledge or career prospects by pursuing related online degrees. If you are interested in healthcare or science communication, there are several flexible options.

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Additionally, if you aim to work in mental health, exploring salaries and roles such as psychiatric mental health nurse practitioner salary can inform your career choices. Whether you build on your ecological background or pivot to allied health, these online pathways offer flexibility and opportunities for professional growth.

Best Scientists Citing Robert N. Fisher

Kevin R. Crooks

Kevin R. Crooks

Colorado State University

Publications: 32

Seth P. D. Riley

Seth P. D. Riley

National Park Service

Publications: 24

Duncan J. Irschick

Duncan J. Irschick

University of Massachusetts Amherst

Publications: 23

Anthony P. Russell

Anthony P. Russell

University of Calgary

Publications: 22

Evan H. Campbell Grant

Evan H. Campbell Grant

United States Geological Survey

Publications: 21

H. Bradley Shaffer

H. Bradley Shaffer

University of California, Los Angeles

Publications: 20

Larissa L. Bailey

Larissa L. Bailey

Colorado State University

Publications: 19

Erin Muths

Erin Muths

United States Geological Survey

Publications: 19

Stanislav N. Gorb

Stanislav N. Gorb

Kiel University

Publications: 17

Stephen R. Goldberg

Stephen R. Goldberg

Whittier College

Publications: 17

Benedikt R. Schmidt

Benedikt R. Schmidt

University of Zurich

Publications: 16

Jonathan B. Losos

Jonathan B. Losos

Washington University in St. Louis

Publications: 16

Bieke Vanhooydonck

Bieke Vanhooydonck

University of Antwerp

Publications: 15

Craig Moritz

Craig Moritz

Australian National University

Publications: 15

Susan C. Walls

Susan C. Walls

United States Geological Survey

Publications: 15

L. Lee Grismer

L. Lee Grismer

La Sierra University

Publications: 14

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