World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
72
Citations
16983
World Ranking
1510
National Ranking
639

Biology and Biochemistry

D-Index
72
Citations
16920
World Ranking
6369
National Ranking
2981

Robert M. Hughes publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Robert M. Hughes sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 224 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Robert M. Hughes D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Robert M. Hughes sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 72 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Robert M. Hughes is affiliated with Oregon State University in the United States. Their research primarily focuses on Environmental Science, with a significant emphasis on Nature and Landscape Conservation and Ecology. Additional subfields include Water Science and Technology, Aquatic Science, and Global and Planetary Change.

The scientist's research covers multiple topics related to aquatic ecosystems, including Fish Ecology and Management Studies, Freshwater Macroinvertebrate Diversity and Ecology, Fish Biology, Ecology, and Behavior, Aquatic Invertebrate Ecology and Behavior, Hydrology and Sediment Transport Processes, Fish Biology and Ecology Studies, and Hydrology and Watershed Management Studies.

Recent papers authored or co-authored by Robert M. Hughes highlight a variety of environmental and ecological concerns. Notable publications include:

  • "Multiscale land use impacts on water quality: Assessment, planning, and future perspectives in Brazil" (2020, Journal of Environmental Management)
  • "The Biological Assessment and Rehabilitation of the World's Rivers: An Overview" (2021, Water)
  • "Integrated terrestrial-freshwater planning doubles conservation of tropical aquatic species" (2020, Science)
  • "Fish and macroinvertebrate assemblages reveal extensive degradation of the world's rivers" (2022, Global Change Biology)
  • "The relation of lotic fish and benthic macroinvertebrate condition indices to environmental factors across the conterminous USA" (2020, Ecological Indicators)

Frequent co-authors indicate collaboration with multiple researchers in related fields. These include:

  • Marcos Callisto
  • Diego Rodrigues Macedo
  • Marden Seabra Linares
  • Leandro Juen
  • Paulo dos Santos Pompeu

Publication venues where Robert M. Hughes's work has frequently appeared include:

  • Water Biology and Security
  • Ecological Indicators
  • Hydrobiologia
  • Fisheries
  • Zenodo (CERN European Organization for Nuclear Research)

The scientist's work spans multiple dimensions of aquatic ecosystems, focusing extensively on freshwater species, biodiversity, and environmental quality assessment. Their research projects often intersect with conservation, rehabilitation, and watershed management topics aimed at understanding and mitigating human impacts on aquatic environments.

Best Publications

  • Regional reference sites: a method for assessing stream potentials

    Robert M. Hughes;David P. Larsen;James M. Omernik

  • A process for creating multimetric indices for large-scale aquatic surveys

    John L. Stoddard;Alan T. Herlihy;David V. Peck;Robert M. Hughes

  • A process for developing and evaluating indices of fish assemblage integrity

    Robert M Hughes;Philip R Kaufmann;Alan T Herlihy;Thomas M Kincaid

  • Modification of an index of biotic integrity based on fish assemblages to characterize rivers of the Seine Basin, France

    T. Oberdorff;R. M. Hughes

  • Regional Applications of an Index of Biotic Integrity for Use in Water Resource Management

    David L. Miller;Robert M. Hughes;James R. Karr;Paul M. Leonard

  • Evaluation of the use of landscape classifications for the prediction of freshwater biota: synthesis and recommendations

    C. P. Hawkins;R. H. Norris;J. Gerritsen;R. M. Hughes

  • Longitudinal Changes in Fish Assemblages and Water Quality in the Willamette River, Oregon

    Robert M. Hughes;James R. Gammon

  • Stream biomonitoring using macroinvertebrates around the globe: a comparison of large-scale programs

    Daniel F. Buss;Daren M. Carlisle;Tae-Soo Chon;Joseph Culp

  • Multiscale land use impacts on water quality: Assessment, planning, and future perspectives in Brazil.

    Kaline de Mello;Ricardo Hideo Taniwaki;Felipe Rossetti de Paula;Roberta Averna Valente

  • Development and evaluation of a Macroinvertebrate Biotic Integrity Index (MBII) for regionally assessing Mid-Atlantic Highlands Streams.

    Donald J. Klemm;Karen A. Blocksom;Florence A. Fulk;Alan T. Herlihy

  • Development of an Index of Biotic Integrity for the Mid-Atlantic Highlands Region

    Frank H. McCormick;Robert M. Hughes;Philip R. Kaufmann;David V. Peck

  • Correspondence Between Ecoregions and Spatial Patterns in Stream Ecosystems in Oregon

    Thomas R. Whittier;Robert M. Hughes;David P. Larsen

  • Development of a bird integrity index: using bird assemblages as indicators of riparian condition.

    Sandra A Bryce;Robert M Hughes;Philip R Kaufmann

  • Disentangling the pathways of land use impacts on the functional structure of fish assemblages in Amazon streams

    Rafael P. Leitão;Jansen Zuanon;David Mouillot;David Mouillot;Cecília G. Leal

  • Acquiring data for large aquatic resource surveys: the art of compromise among science, logistics, and reality

    Robert M. Hughes;David V. Peck

  • Application of an index of biological integrity (IBI) to fish assemblages of the rivers Khan and Kshipra (Madhya Pradesh), India

    V. Ganasan;Robert M. Hughes

  • Defining quantitative stream disturbance gradients and the additive role of habitat variation to explain macroinvertebrate taxa richness

    Raphael Ligeiro;Robert M. Hughes;Philip R. Kaufmann;Diego R. Macedo;Diego R. Macedo

  • Assessing water quality changes in the lakes of the northeastern United States using sediment diatoms

    Sushil S Dixit;John P Smol;Donald F Charles;Robert M Hughes

  • Biological Diversity and Biological Integrity: Current Concerns for Lakes and Streams

    Robert M. Hughes;Reed F. Noss

  • Classification strengths of ecoregions, catchments, and geographic clusters for aquatic vertebrates in Oregon

    John Van Sickle;Robert M. Hughes

  • Ecoregions: an approach to surface water protection

    R. M. Hughes;D. P. Larsen

Frequent Co-Authors

Marcos Callisto
Marcos Callisto Universidade Federal de Minas Gerais
Philip R. Kaufmann
Philip R. Kaufmann Environmental Protection Agency
Alan T. Herlihy
Alan T. Herlihy Oregon State University
Paulo Santos Pompeu
Paulo Santos Pompeu Federal University of Lavras
David P. Larsen
David P. Larsen Environmental Protection Agency
Jansen Zuanon
Jansen Zuanon National Institute of Amazonian Research
Jos Barlow
Jos Barlow Lancaster University
Toby A. Gardner
Toby A. Gardner Stockholm Environment Institute
Leandro Juen
Leandro Juen Federal University of Para
Joice Ferreira
Joice Ferreira Brazilian Agricultural Research Corporation

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