World's Best Scientists 2026 revealed!
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Environmental Sciences
South Africa
2025

D-Index & Metrics

Environmental Sciences

D-Index
44
Citations
16243
World Ranking
6580
National Ranking
11

John G. Field 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 John G. Field 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 122 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

John G. Field 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 John G. Field 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 44 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Research.com Recognitions

  • 2025 - Research.com Environmental Sciences in South Africa Leader Award

Overview

John G. Field is affiliated with the University of Cape Town in South Africa. Their research contributions primarily fall within the field of Environmental Science, with notable work in several subfields including Global and Planetary Change, Ecology, Neurology, and Genetics.

The main topics addressed in their research include:

  • Marine and fisheries research
  • Coral and Marine Ecosystems Studies
  • Marine Bivalve and Aquaculture Studies
  • Traumatic Brain Injury and Neurovascular Disturbances
  • High Altitude and Hypoxia

John G. Field has published several recent papers, including:

  • "Was this career shaped by people or by chance?" (2021) in ICES Journal of Marine Science
  • "Obituary: Dr Richard Charles Newell (1939-2021)" (2022) in Journal of the Marine Biological Association of the United Kingdom
  • "Raymond Pollard, FRSSAf: 1945-2021" (2024) in Transactions of the Royal Society of South Africa

The publication venues in which they have frequently contributed are:

  • ICES Journal of Marine Science
  • Journal of the Marine Biological Association of the United Kingdom
  • Transactions of the Royal Society of South Africa

Among their frequent coauthors are:

  • E.A.S. Linley
  • Barbara E. Brown
  • G. B. Brundrit

Best Publications

  • The Ecological Role of Water-Column Microbes in the Sea*

    Farooq Azam;Tom Fenchel;J. G. Field;J. S. Gray

  • A practical strategy for analysing multispecies distribution patterns

    JG Field;KR Clarke;RM Warwick

  • Using size-based indicators to evaluate the ecosystem effects of fishing

    Yunne-Jai Shin;Marie-Joëlle Rochet;Simon Jennings;John G. Field

  • The size-based dynamics of plankton food webs. I. A simulation model of carbon and nitrogen flows

    Coleen L. Moloney;John G. Field

  • Trophic flows in the southern Benguela during the 1980s and 1990s

    Lynne J Shannon;Coleen L Moloney;Astrid Jarre;John G Field

  • Comparative trophodynamics of anchovy Engraulis encrasicolus and sardine Sardinops sagax in the southern Benguela: are species alternations between small pelagic fish trophodynamically mediated?

    CD van der Lingen;L Hutchings;JG Field

  • Network Analysis in Marine Ecology: Methods and Applications

    Fredrik Wulff;J. G. Field;K. H. Mann

  • General allometric equations for rates of nutrient uptake, ingestion, and respiration in plankton organisms

    Coleen L. Moloney;John G. Field

  • Exploring the effects of fishing on fish assemblages using Abundance Biomass Comparison (ABC) curves

    Dawit Yemane;John G. Field;Rob W. Leslie

  • Network Analysis in Marine Ecology

    F. Wulff;J. G. Field;K. H. Mann

  • Energy Balance and Significance of Microorganisms in a Kelp Bed Community

    RC Newell;JG Field;CL Griffiths

  • The ecology of kelp bed communities in the Benguela upwelling system

    B. Velimirov;J. G. Field;C. L. Griffiths;P. Zoutendyk

  • Persistent “upwelling shadows” and their influence on zooplankton distributions

    W. M. Graham;J. G. Field;D. C. Potts

  • The Use of Numerical Methods to Determine the Distribution of the Benthic Fauna Across the Continental Shelf of North Carolina

    Unknown

  • Two-way coupling versus one-way forcing of plankton and fish models to predict ecosystem changes in the Benguela

    Morgane Travers;Yunne-Jai Shin;S. Jennings;Eric Machu

  • A numerical analysis of changes in the soft-bottom fauna along a transect across false bay, South Africa

    John G. Field

  • VARIATION IN STRUCTURE AND BIOMASS OF KELP COMMUNITIES ALONG THE SOUTH-WEST CAPE COAST

    J. G. Field;C. L. Griffiths;R. J. Griffiths;N. Jarman

  • The size-based dynamics of plankton food webs. II. Simulations of three contrasting southern Benguela food webs

    Coleen L. Moloney;John G. Field;Michael I. Lucas

  • Simulating anchovy-sardine regime shifts in the southern Benguela ecosystem

    Lynne J Shannon;John G Field;Coleen L Moloney

  • The influence of food availability on population dynamics of a supralittoral isopod, Ligia dilatata brandt

    K Koop;J.G Field

  • Characterising and comparing the spawning habitats of anchovy Engraulis encrasicolus and sardine Sardinops sagax in the southern Benguela upwelling ecosystem

    NM Twatwa;CD van der Lingen;L Drapeau;CL Moloney

  • Community-level attributes of exploited and non-exploited rocky infratidal macrofaunal assemblages in Transkei

    T.A. Lasiak;J.G. Field

Frequent Co-Authors

Coleen L. Moloney
Coleen L. Moloney University of Cape Town
Lynne J. Shannon
Lynne J. Shannon University of Cape Town
Anthony J. Richardson
Anthony J. Richardson University of Queensland
Fredrik Wulff
Fredrik Wulff Stockholm University
Richard M. Warwick
Richard M. Warwick Plymouth Marine Laboratory
Charles L. Griffiths
Charles L. Griffiths University of Cape Town
Yunne-Jai Shin
Yunne-Jai Shin Institut de Recherche pour le Développement
Simon Jennings
Simon Jennings Centre for Environment, Fisheries and Aquaculture Science
Olivier Thébaud
Olivier Thébaud French Research Institute for Exploitation of the Sea
Philippe Cury
Philippe Cury Institut de Recherche pour le Développement

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