World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
56
Citations
15762
World Ranking
3579
National Ranking
275

Paul N. Williams 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 Paul N. Williams 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: 140 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Paul N. Williams 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 Paul N. Williams 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: 56 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Paul N. Williams is affiliated with Queen's University Belfast in the United Kingdom. Their research primarily focuses on Environmental Science and Agricultural and Biological Sciences, with notable contributions spanning over 75 publications in these fields.

The main areas of study include pollution, environmental chemistry, soil science, health, toxicology and mutagenesis, as well as agronomy and crop science. Specific topics investigated by Williams cover heavy metals in the environment, arsenic contamination and mitigation, soil carbon and nitrogen dynamics, agronomic practices and intercropping systems, soil and water nutrient dynamics, heavy metal exposure and toxicity, and coal and its by-products.

Williams' frequent coauthors include Jun Luo, Wen Fang, Manus Carey, Paul Cottney, and Ethel White. Collaboration with these researchers has been consistent, reflecting a network of contributors across multiple studies.

Key publication venues for Williams' work include Agronomy, Exposure and Health, Environmental Science & Technology, Journal of Hazardous Materials, and Analytical Chemistry. These journals have featured their research multiple times, with Agronomy hosting five publications, Exposure and Health and Environmental Science & Technology each featuring three, and Journal of Hazardous Materials and Analytical Chemistry each including two.

Recent papers by Paul N. Williams include:

  • Rice Grain Cadmium Concentrations in the Global Supply-Chain (2020, Exposure and Health)
  • Municipal solid waste compost: Global trends and biogeochemical cycling (2023, Soil & Environmental Health)
  • Gather.town: An opportunity for self-paced learning in a synchronous, distance-learning environment (2021, Compass Journal of Learning and Teaching)
  • Localized Intensification of Arsenic Release within the Emergent Rice Rhizosphere (2020, Environmental Science & Technology)
  • Rice Rhizospheric Effects on the Bioavailability of Toxic Trace Elements during Land Application of Biochar (2021, Environmental Science & Technology)

Williams has also contributed to book publications, including a 2024 work titled Spiritual Life, published by Cambridge University Press.

Best Publications

  • Variation in Arsenic Speciation and Concentration in Paddy Rice Related to Dietary Exposure

    Paul Williams;A H Price;A Raab;S A Hossain

  • Geographical Variation in Total and Inorganic Arsenic Content of Polished (White) Rice

    Andrew A. Meharg;Paul N. Williams;Eureka Adomako;Youssef Y. Lawgali

  • Greatly enhanced arsenic shoot assimilation in rice leads to elevated grain levels compared to wheat and barley

    Paul N. Williams;Antia Villada;Claire Deacon;Andrea Raab

  • Selenium in higher plants: understanding mechanisms for biofortification and phytoremediation

    Yong-Guan Zhu;Elizabeth A.H. Pilon-Smits;Fang-Jie Zhao;Paul N. Williams

  • Increase in Rice Grain Arsenic for Regions of Bangladesh Irrigating Paddies with Elevated Arsenic in Groundwaters

    Paul Nicholas Williams;Mohammad Ayub Islam;E. E. Adomako;Andrea Raab

  • Occurrence and Partitioning of Cadmium, Arsenic and Lead in Mine Impacted Paddy Rice: Hunan, China

    Paul N Williams;Ming Lei;Guoxin Sun;Qing Huang

  • Use of Carnobacterium sp. as a probiotic for Atlantic salmon (Salmo salar L.) and rainbow trout (Oncorhynchus mykiss, Walbaum).

    Peter Robertson;Colm O'Dowd;Charles Burrells;Paul Williams

  • Arsenic Sequestration in Iron Plaque, Its Accumulation and Speciation in Mature Rice Plants (Oryza Sativa L.)

    W. J. Liu;Y. G. Zhu;Y. Hu;P. N. Williams

  • High percentage inorganic arsenic content of mining impacted and nonimpacted Chinese rice.

    Y.G. Zhu;G. X. Sun;M. Lei;M. Teng

  • Variation in Rice Cadmium Related to Human Exposure

    Andrew A. Meharg;Gareth Norton;Claire Deacon;Paul Williams

  • Exposure to inorganic arsenic from rice: A global health issue?

    Yong-Guan Zhu;Paul N. Williams;Andrew A. Meharg

  • Inorganic arsenic in Chinese food and its cancer risk.

    Gang Li;Guo-Xin Sun;Paul N. Williams;Luis Nunes

  • Speciation and Localization of Arsenic in White and Brown Rice Grains

    Andrew A. Meharg;Enzo Lombi;Paul N. Williams;Kirk G. Scheckel

  • Phylogenetic analysis of intestinal microflora indicates a novel Mycoplasma phylotype in farmed and wild salmon.

    William E. Holben;P. Williams;M. Saarinen;Laura K. Sarkilahti

  • Market basket survey shows elevated levels of As in South Central U.S. processed rice compared to California: consequences for human dietary exposure.

    Paul Williams;A. Raab;J. Feldmann;A. A. Meharg

  • Inorganic Arsenic in Rice Bran and Its Products Are an Order of Magnitude Higher than in Bulk Grain

    Guo-Xin Sun;Guo-Xin Sun;Paul N. Williams;Anne-Marie Carey;Yong-Guan Zhu

  • Uptake and translocation of inorganic and methylated arsenic species by plants

    Andrea Raab;Paul N. Williams;Andrew Meharg;Jörg Feldmann

  • In situ, high-resolution imaging of labile phosphorus in sediments of a large eutrophic lake

    Shiming Ding;Chao Han;Yanping Wang;Lei Yao

  • Selenium characterization in the global rice supply chain

    Paul Nicholas Williams;Enzo Lombi;Enzo Lombi;Guo-Xin Sun;Guo-Xin Sun;Kirk Scheckel

  • Organic matter-solid phase interactions are critical for predicting arsenic release and plant uptake in Bangladesh paddy soils.

    Paul N. Williams;Hao Zhang;William Davison;Andrew A. Meharg

  • Market basket survey shows elevated levels of As in South Central U.S. processed rice compared to California

    P N Williams;A Raab;J Feldmann;A A Meharg

Frequent Co-Authors

Andrew A. Meharg
Andrew A. Meharg Queen's University Belfast
Yong-Guan Zhu
Yong-Guan Zhu Chinese Academy of Sciences
Andrea Raab
Andrea Raab International Committee of the Red Cross
Lena Q. Ma
Lena Q. Ma Zhejiang University
Hao Zhang
Hao Zhang Lancaster University
Fang-Jie Zhao
Fang-Jie Zhao Nanjing Agricultural University
William Davison
William Davison Lancaster University
Jörg Feldmann
Jörg Feldmann University of Aberdeen
Adam H. Price
Adam H. Price University of Aberdeen
Enzo Lombi
Enzo Lombi University of South Australia

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