World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
43
Citations
5870
World Ranking
7206
National Ranking
22

Gavin Collins 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 Gavin Collins 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: 125 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Gavin Collins 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 Gavin Collins 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: 43 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Gavin Collins is affiliated with the National University of Ireland, Galway in Ireland. Their research primarily spans the fields of Environmental Science and Engineering, focusing on numerous subfields such as Pollution, Building and Construction, Ecology, Environmental Engineering, and Water Science and Technology.

The main topics covered in their work include:

  • Wastewater Treatment and Nitrogen Removal
  • Anaerobic Digestion and Biogas Production
  • Microbial Community Ecology and Physiology
  • Microbial Fuel Cells and Bioremediation
  • Membrane Separation Technologies
  • Methane Hydrates and Related Phenomena
  • Ammonia Synthesis and Nitrogen Reduction

Gavin Collins has contributed to various research articles over recent years, notably:

  • Granular biofilms: Function, application, and new trends as model microbial communities, 2020, Critical Reviews in Environmental Science and Technology
  • Carboxylic acids production and electrosynthetic microbial community evolution under different CO2 feeding regimens, 2020, Bioelectrochemistry
  • Unifying concepts in methanogenic, aerobic, and anammox sludge granulation, 2023, Environmental Science and Ecotechnology
  • Microbial strategies driving low concentration substrate degradation for sustainable remediation solutions, 2024, npj Clean Water
  • Impacts of metal stress on extracellular microbial products, and potential for selective metal recovery, 2023, Ecotoxicology and Environmental Safety

Their frequent collaborators reflect a network of active research partnerships, including Umer Zeeshan Ijaz, Simon Mills, Piet N.L. Lens, Anna Christine Trego, and Vincent O'Flaherty.

Gavin Collins publishes regularly in several journals, notably:

  • SSRN Electronic Journal
  • Frontiers in Microbiology
  • Environmental Science and Ecotechnology
  • Ecotoxicology and Environmental Safety
  • Journal of Environmental Management

Best Publications

  • Aerobic denitrification in permeable Wadden Sea sediments.

    Hang Gao;Hang Gao;Frank Schreiber;Gavin Collins;Gavin Collins;Marlene Mark Jensen;Marlene Mark Jensen

  • DNA extraction method affects microbial community profiles from soils and sediment

    Cora Carrigg;Olivia Rice;Siobhán Kavanagh;Gavin Collins

  • DESMAN: a new tool for de novo extraction of strains from metagenomes

    Christopher Quince;Tom O. Delmont;Sébastien Raguideau;Johannes Alneberg

  • Microbial community structure and methanogenic activity during start-up of psychrophilic anaerobic digesters treating synthetic industrial wastewaters.

    Gavin Collins;Adele Woods;Sharon McHugh;Micheal W. Carton

  • Simultaneous nitrate and phosphate removal from wastewater lacking organic matter through microbial oxidation of pyrrhotite coupled to nitrate reduction

    Ruihua Li;Liam Morrison;Gavin Collins;Aimin Li

  • Reactor performance and microbial community dynamics during anaerobic biological treatment of wastewaters at 16–37 °C

    Sharon McHugh;Micheal Carton;Gavin Collins;Vincent O'Flaherty

  • Psychrophilic and mesophilic anaerobic digestion of brewery effluent: a comparative study.

    Sean Connaughton;Gavin Collins;Vincent O’Flaherty

  • Development of microbial community structure and actvity in a high-rate anaerobic bioreactor at 18 °C

    Sean Connaughton;Gavin Collins;Vincent O’Flaherty

  • The Microbiology and Biochemistry of Anaerobic Bioreactors with Relevance to Domestic Sewage Treatment

    Vincent O’Flaherty;Gavin Collins;Thérèse Mahony

  • Low-temperature anaerobic digestion for wastewater treatment.

    Rory M McKeown;Dermot Hughes;Gavin Collins;Thérèse Mahony

  • Nanostructured pyrrhotite supports autotrophic denitrification for simultaneous nitrogen and phosphorus removal from secondary effluents

    Yan Yang;Tianhu Chen;Liam Morrison;Sean Gerrity

  • Psychrophilic methanogenic community development during long-term cultivation of anaerobic granular biofilms

    Rory M McKeown;Colm Scully;Anne-Marie Enright;Fabio A Chinalia;Fabio A Chinalia

  • Long-term, high-rate anaerobic biological treatment of whey wastewaters at psychrophilic temperatures.

    Sharon McHugh;Gavin Collins;Vincent O’Flaherty

  • Anaerobic biological treatment of phenolic wastewater at 15–18 °C

    Gavin Collins;Clare Foy;Sharon McHugh;Thérèse Mahony

  • Low-temperature anaerobic biological treatment of solvent-containing pharmaceutical wastewater.

    Anne-Marie Enright;Sharon McHugh;Gavin Collins;Vincent O’Flaherty

  • Long-term (1243 days), low-temperature (4–15 °C), anaerobic biotreatment of acidified wastewaters: Bioprocess performance and physiological characteristics

    Rory M. McKeown;Colm Scully;Thérèse Mahony;Gavin Collins

  • Quantitative and qualitative analyses of methanogenic community development in high-rate anaerobic bioreactors.

    Katarzyna Bialek;Jaai Kim;Changsoo Lee;Gavin Collins

  • Anaerobic biological treatment of phenol at 9.5-15 °C in an expanded granular sludge bed (EGSB)-based bioreactor

    Colm Scully;Gavin Collins;Vincent O’Flaherty

  • Quantitative and qualitative analysis of methanogenic communities in mesophilically and psychrophilically cultivated anaerobic granular biofilims.

    Joe O'Reilly;Changsoo Lee;Gavin Collins;Fabio A. Chinalia

  • Anaerobic treatment of 2,4,6-trichlorophenol in an expanded granular sludge bed-anaerobic filter (EGSB-AF) bioreactor at 15 °C

    Gavin Collins;Clare Foy;Sharon McHugh;Vincent OFlaherty

  • Effect of sulfate on low-temperature anaerobic digestion.

    Pádhraig Madden;Abdul M. Al-Raei;Anne M. Enright;Fabio A. Chinalia

Frequent Co-Authors

Vincent O'Flaherty
Vincent O'Flaherty University of Galway
Piet N.L. Lens
Piet N.L. Lens University of Galway
Christopher Quince
Christopher Quince University of Warwick
Changsoo Lee
Changsoo Lee Ulsan National Institute of Science and Technology
Marcel M. M. Kuypers
Marcel M. M. Kuypers Max Planck Society
Gaute Lavik
Gaute Lavik Max Planck Society
Dirk de Beer
Dirk de Beer Max Planck Society
Jukka Rintala
Jukka Rintala Tampere University
Xinmin Zhan
Xinmin Zhan University of Galway
Joel E. Kostka
Joel E. Kostka Georgia Institute of Technology

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