World's Best Scientists 2026 revealed!
Grant Wardell-Johnson

Grant Wardell-Johnson

D-Index & Metrics

Environmental Sciences

D-Index
39
Citations
6634
World Ranking
8319
National Ranking
309

Grant Wardell-Johnson 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 Grant Wardell-Johnson 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: 164 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Grant Wardell-Johnson 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 Grant Wardell-Johnson 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: 39 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Overview

Grant Wardell-Johnson is affiliated with Curtin University in Australia and primarily works within the field of Environmental Science, contributing to research in related subfields such as Ecology, Molecular Biology, Nature and Landscape Conservation, Ecological Modeling, and Global and Planetary Change.

Their research covers a range of topics, including:

  • Ecology and Vegetation Dynamics Studies
  • Rangeland and Wildlife Management
  • Microbial Community Ecology and Physiology
  • Environmental DNA in Biodiversity Studies
  • Species Distribution and Climate Change
  • Fire effects on ecosystems
  • Genomics and Phylogenetic Studies

Wardell-Johnson's frequent publication venues include:

  • Pacific Conservation Biology
  • Functional Ecology
  • Molecular Ecology
  • Land
  • Molecular Ecology Resources

Recent papers authored or co-authored by Wardell-Johnson and collaborators cover diverse ecological and molecular ecology topics. Notable publications are:

  • "Testing multiple substrates for terrestrial biodiversity monitoring using environmental DNA metabarcoding" (2020, Molecular Ecology Resources)
  • "Changes in soil microbial communities in post mine ecological restoration: Implications for monitoring using high throughput DNA sequencing" (2020, The Science of The Total Environment)
  • "Mechanisms by which growth and succession limit the impact of fire in a south-western Australian forested ecosystem" (2023, Functional Ecology)
  • "Scat DNA provides important data for effective monitoring of mammal and bird biodiversity" (2021, Biodiversity and Conservation)
  • "Evaluating restoration trajectories using DNA metabarcoding of ground-dwelling and airborne invertebrates and associated plant communities" (2022, Molecular Ecology)

Wardell-Johnson has collaborated frequently with several co-authors, including:

  • Todd P. Robinson
  • Paul Nevill
  • Mieke van der Heyde
  • Michael Bunce
  • Nicole E. White

Best Publications

  • Refugia: identifying and understanding safe havens for biodiversity under climate change

    Gunnar Keppel;K. Van Niel;Grant Wardell-Johnson;C. Yates

  • Conserving biodiversity efficiently: what to do, where, and when.

    Kerrie A Wilson;Emma C Underwood;Scott A Morrison;Kirk R Klausmeyer

  • The capacity of refugia for conservation planning under climate change

    Gunnar Keppel;Karel Mokany;Grant W Wardell-Johnson;Ben L Phillips;Ben L Phillips

  • Consequences of broadscale timber plantations for biodiversity in cleared rainforest landscapes of tropical and subtropical Australia

    John Joseph Kanowski;Carla Catterall;G.W. Wardell-Johnson

  • Development of forest structure on cleared rainforest land in eastern Australia under different styles of reforestation

    John Joseph Kanowski;Carla Catterall;G.W. Wardell-Johnson;Heather Coreen Proctor

  • Refugia: keys to climate change management

    Gunnar Keppel;Grant W. Wardell-Johnson

  • Applying Network Analysis to the Conservation of Habitat Trees in Urban Environments: a Case Study from Brisbane, Australia

    Monika Rhodes;Grant W. Wardell-Johnson;Martin P. Rhodes;Ben Raymond

  • Characteristics of climate change refugia for Australian biodiversity

    April E. Reside;Justin A. Welbergen;Ben L. Phillips;Ben L. Phillips;Grant W. Wardell-Johnson

  • Landscape age and soil fertility, climatic stability, and fire regime predictability: beyond the OCBIL framework

    Ladislav Mucina;Grant W. Wardell-Johnson

  • Facilitating adaptation of biodiversity to climate change: a conceptual framework applied to the world’s largest Mediterranean-climate woodland

    Suzanne Mary Prober;Kevin R Thiele;Philip W Rundel;Colin J Yates

  • Testing multiple substrates for terrestrial biodiversity monitoring using environmental DNA metabarcoding.

    Mieke van der Heyde;Michael Bunce;Grant Wardell-Johnson;Kristen Fernandes

  • Isolated with persistence or dynamically connected? Genetic patterns in a common granite outcrop endemic

    S.L. Tapper;M. Byrne;C.J. Yates;G. Keppel;G. Keppel

  • Quantifying the biodiversity values of reforestation: perspectives, design issues and outcomes in Australian rainforest landscapes

    Carla Catterall;John Joseph Kanowski;Grant Wesley Wardell-Johnson;Heather Coreen Proctor

  • Fire and Plant Interactions in Forested Ecosystems of South-West Western Australia

    N. Burrows;G. W. Wardell-Johnson

  • Fire frequency and time‐since‐fire effects on the open‐forest and woodland flora of Girraween National Park, south‐east Queensland, Australia

    Penny Watson;Grant Wardell-Johnson

  • Conserving biodiversity and the recognition of heterogeneity in ancient landscapes: a case study from south-western Australia

    G. Wardell-Johnson;P. Horwitz

  • Why the integration of demographic and site-based studies of disturbance is essential for the conservation of jarrah forest fauna

    Grant W. Wardell-Johnson;Matthew Calver;Denis Saunders;Simon Conroy

  • Testing the discrimination and detection limits of WorldView-2 imagery on a challenging invasive plant target.

    T. P. Robinson;Grant Wardell-Johnson;Gabriella Pracilio;Chris Brown

  • Rapid Characterisation of Vegetation Structure to Predict Refugia and Climate Change Impacts across a Global Biodiversity Hotspot

    Antonius G. T. Schut;Grant W. Wardell-Johnson;Colin J. Yates;Gunnar Keppel

  • Changes in soil microbial communities in post mine ecological restoration: Implications for monitoring using high throughput DNA sequencing.

    M. van der Heyde;M. Bunce;K. Dixon;G. Wardell-Johnson

  • Responses of forest eucalypts to moderate and high intensity fire in the Tingle Mosaic, south‐western Australia: comparisons between locally endemic and regionally distributed species

    G. W. Wardell-Johnson

Frequent Co-Authors

Carla Catterall
Carla Catterall Griffith University
Gunnar Keppel
Gunnar Keppel University of South Australia
Ladislav Mucina
Ladislav Mucina Murdoch University
Margaret Byrne
Margaret Byrne University of Western Australia
Colin J. Yates
Colin J. Yates Commonwealth Scientific and Industrial Research Organisation
Michael Bunce
Michael Bunce Curtin University
Kingsley W. Dixon
Kingsley W. Dixon Curtin University
Stephen D. Hopper
Stephen D. Hopper University of Western Australia
Philip W. Bateman
Philip W. Bateman Curtin University
David Lamb
David Lamb University of New England

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