World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
34
Citations
5555
World Ranking
9412
National Ranking
359

James Udy 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 James Udy 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: 105 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

James Udy 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 James Udy 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: 34 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

James Udy is affiliated with the Queensland University of Technology in Australia. Their research primarily focuses on environmental science and earth and planetary sciences, with particular attention to oceanography and global and planetary change.

Their recent research outputs cover a variety of topics relevant to marine and coastal environments as well as human interactions with natural spaces. Notable papers include:

  • The Risk of Multiple Anthropogenic and Climate Change Threats Must Be Considered for Continental Scale Conservation and Management of Seagrass Habitat (2022, Frontiers in Marine Science)
  • Cloud Processing for Simultaneous Mapping of Seagrass Meadows in Optically Complex and Varied Water (2022, Remote Sensing)
  • Beyond proximity: How subjective perceptions of enablers and constraints influence patterns of blue space recreation (2022, Landscape and Urban Planning)

Key areas of study in their work include:

  • Marine and coastal plant biology
  • Marine and fisheries research
  • Marine biology and ecology research
  • Coral and marine ecosystems studies
  • Urban green space and health
  • Recreation, leisure, wilderness management
  • Land use and ecosystem services

Their major fields of study can be summarized as:

  • Environmental Science
  • Earth and Planetary Sciences

They are also engaged in subfields such as:

  • Oceanography
  • Global and Planetary Change
  • Ecology
  • Health, Toxicology and Mutagenesis
  • Social Psychology

James Udy collaborates frequently with several researchers, including:

  • Chris Roelfsema
  • Mitchell Lyons
  • Kathryn McMahon
  • Kieryn Kilminster
  • Robert Canto

Their work is published in specialized venues focused on marine science and environmental research, including:

  • Frontiers in Marine Science
  • Remote Sensing
  • Landscape and Urban Planning

Best Publications

  • Unravelling complexity in seagrass systems for management: Australia as a microcosm

    Kieryn Kilminster;Kathryn McMahon;Michelle Waycott;Gary A. Kendrick

  • Physiological and morphological responses of the seagrass Zostera capricorni Aschers, to light intensity

    E.G. Abal;N. Loneragan;P. Bowen;C.J. Perry

  • Growth and physiological responses of three seagrass species to elevated sediment nutrients in Moreton Bay, Australia

    James W. Udy;William C. Dennison

  • Climate change impacts on emerging contaminants

    Shane Snyder;Yongrui Tan;James Udy;Michael Bartkow

  • Assessing Ecological Impacts of Shrimp and Sewage Effluent: Biological Indicators with Standard Water Quality Analyses

    A.B. Jones;M.J. O'Donohue;J. Udy;W.C. Dennison

  • Using nitrogen stable isotope ratios (δ15N) of macroalgae to determine the effectiveness of sewage upgrades: changes in the extent of sewage plumes over four years in Moreton Bay, Australia

    Simon D. Costanzo;James Udy;Ben Longstaff;Adrian Jones

  • Benthic metabolism as an indicator of stream ecosystem health

    Christine S. Fellows;Joanne E. Clapcott;Joanne E. Clapcott;James W. Udy;James W. Udy;Stuart E. Bunn

  • Responses of seagrass to nutrients in the Great Barrier Reef, Australia

    James W. Udy;William Cullen Dennison;Warren J. Lee Long;Len J. McKenzie

  • Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors.

    Simon Albert;Judith M. O’Neil;Judith M. O’Neil;James W. Udy;Kathleen S. Ahern

  • Seagrass ecosystem trajectory depends on the relative timescales of resistance, recovery and disturbance

    Katherine R. O'Brien;Michelle Waycott;Paul S. Maxwell;Gary A. Kendrick

  • Anaerobic digestion of harvested aquatic weeds: water hyacinth (Eichhornia crassipes), cabomba (Cabomba Caroliniana) and salvinia (Salvinia molesta)

    Cathryn O'Sullivan;Beth Rounsefell;Alistair Grinham;William Clarke

  • An autonomous surface vehicle for water quality monitoring

    Matthew Dunbabin;Alistair Grinham;James Udy

  • Effect of the seagrass Zostera capricorni on sediment microbial processes

    Jens W. Hansen;James W. Udy;Christine J. Perry;William C. Dennison

  • Physiological responses of seagrasses used to identify anthropogenic nutrient inputs

    James W. Udy;William C. Dennison

  • Vulnerability of seagrasses in the Great Barrier Reef to climate change

    Michelle Waycott;Catherine Collier;Kathryn McMahon;Peter Ralph

  • Assessing the spatial and temporal variability of diffusive methane and nitrous oxide emissions from subtropical freshwater reservoirs

    Ronald S. Musenze;Alistair Grinham;Ursula Werner;Deborah Gale

  • The exposure of green turtles (Chelonia mydas) to tumour promoting compounds produced by the cyanobacterium Lyngbya majuscula and their potential role in the aetiology of fibropapillomatosis

    Karen Arthur;Karen Arthur;Colin Limpus;George Balazs;Angela Capper

  • Methane and nitrous oxide emissions from a subtropical estuary (the Brisbane River estuary, Australia)

    Ronald S. Musenze;Ursula Werner;Alistair Grinham;James Udy

  • Measures of nutrient processes as indicators of stream ecosystem health

    James W. Udy;Christine S. Fellows;Michael E. Bartkow;Stuart E. Bunn

  • Quantification of ebullitive and diffusive methane release to atmosphere from a water storage

    Alistair Grinham;Matthew Dunbabin;Deborah Gale;James Udy

  • Moreton Bay and Its Estuaries: A Sub-tropical System Under Pressure from Rapid Population Growth

    Badin Gibbes;Alistair Grinham;David Neil;Andrew David Olds

  • Water quality monitoring: a combined approach to investigate gradients of change in the Great Barrier Reef, Australia.

    J. Udy;M. Gall;Ben Longstaff;Kate Moore

  • In situ field experiment shows Lyngbya majuscula (cyanobacterium) growth stimulated by added iron, phosphorus and nitrogen

    Kathleen S. Ahern;Colin R. Ahern;James W. Udy

  • Examining the link between terrestrial and aquatic phosphorus speciation in a subtropical catchment: the role of selective erosion and transport of fine sediments during storm events.

    Jason Grainger Kerr;Michele Astrid Burford;Jon Olley;Stuart Bunn

  • Chapter 08: Vulnerability of seagrasses in the Great Barrier Reef to climate change

    M. Waycott;C. Collier;K. McMahon;P. Ralph

Frequent Co-Authors

Stuart E. Bunn
Stuart E. Bunn Griffith University
William C. Dennison
William C. Dennison University of Maryland Center For Environmental Sciences
Zhiguo Yuan
Zhiguo Yuan City University of Hong Kong
Chris Roelfsema
Chris Roelfsema University of Queensland
Michelle Waycott
Michelle Waycott University of Adelaide
Michele A. Burford
Michele A. Burford Griffith University
Jon Olley
Jon Olley Griffith University
Colin J. Limpus
Colin J. Limpus Queensland Government
George H. Balazs
George H. Balazs National Marine Fisheries Service
Peter Davies
Peter Davies French Research Institute for Exploitation of the Sea

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