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Environmental Sciences
Brazil
2026

D-Index & Metrics

Environmental Sciences

D-Index
70
Citations
15776
World Ranking
1701
National Ranking
5

Olaf Malm 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 Olaf Malm 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: 289 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Olaf Malm 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 Olaf Malm 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: 70 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Brazil Leader Award
  • 2025 - Research.com Environmental Sciences in Brazil Leader Award
  • 2023 - Research.com Environmental Sciences in Brazil Leader Award
  • 2022 - Research.com Environmental Sciences in Brazil Leader Award

Overview

Olaf Malm is affiliated with the Federal University of Rio de Janeiro in Brazil and conducts research primarily within the field of Environmental Science. Their work focuses on several key subfields, including Health, Toxicology and Mutagenesis, Ecology, Pollution, Nature and Landscape Conservation, and Civil and Structural Engineering.

The scientist's research interests cover a range of topics related to environmental contamination and toxicity. Major areas include:

  • Mercury impact and mitigation studies
  • Heavy Metal Exposure and Toxicity
  • Marine animal studies overview
  • Heavy metals in environment
  • Environmental Toxicology and Ecotoxicology
  • Toxic Organic Pollutants Impact
  • Pharmaceutical and Antibiotic Environmental Impacts

Olaf Malm has published numerous papers in reputable journals. Selected recent publications include:

  • "A review on pesticides in flower production: A push to reduce human exposure and environmental contamination," 2021, Environmental Pollution
  • "First year after the Brumadinho tailings' dam collapse: Spatial and seasonal variation of trace elements in sediments, fishes and macrophytes from the Paraopeba River, Brazil," 2020, Environmental Research
  • "Fluoroquinolone-contaminated poultry litter strongly affects earthworms as verified through lethal and sub-lethal evaluations," 2020, Ecotoxicology and Environmental Safety
  • "Changes in mercury distribution and its body burden in delphinids affected by a morbillivirus infection: Evidences of methylmercury intoxication in Guiana dolphin," 2020, Chemosphere
  • "Bioaccumulation of mercury is equal between sexes but different by age in seabird (Sula leucogaster) population from southeast coast of Brazil," 2021, Environmental Pollution

Frequent publication venues for Malm's work include:

  • SSRN Electronic Journal
  • Environmental Research
  • Chemosphere
  • The Science of The Total Environment
  • Environmental Pollution

Collaboration is an important aspect of their research. Frequent co-authors include:

  • João Paulo Machado Torres
  • Adan Santos Lino
  • Daniele Kasper
  • Petrus Galvão
  • Cláudio Ernesto Taveira Parente

Best Publications

  • Gold mining as a source of mercury exposure in the Brazilian Amazon.

    Olaf Malm

  • Trophic magnification factors: Considerations of ecology, ecosystems, and study design

    Katrine Borgå;Karen A Kidd;Derek C G Muir;Olof Berglund

  • Methylmercury pollution in the Amazon, Brazil

    Hirokatsu Akagi;Olaf Malm;Yoshihide Kinjo;Masazumi Harada

  • Human exposure to mercury due to goldmining in the Tapajos River basin, Amazon, Brazil: Speciation of mercury in human hair, blood and urine

    H. Akagi;O. Malm;F. J. P. Branches;Y. Kinjo

  • Mercury pollution due to gold mining in the Madeira river basin, Brazil.

    O. Malm;W. C. Pfeiffer;C. M. M. Souza;R. Reuther

  • Recovery of Mercury-Contaminated Fisheries

    John Munthe;R. A (Drew) Bodaly;Brian A. Branfireun;Charles T. Driscoll

  • Mercury and methylmercury in fish and human hair from the Tapajós river basin, Brazil

    Olaf Malm;Fernando J.P. Branches;Hirokatsu Akagi;Miriam B. Castro

  • Low dose of fine particulate matter (PM2.5) can induce acute oxidative stress, inflammation and pulmonary impairment in healthy mice.

    D R Riva;C B Magalhães;A A Lopes;T Lanças

  • Large emissions from floodplain trees close the Amazon methane budget

    Sunitha Rao Pangala;Alex Enrich-Prast;Luana S. Basso;Roberta Bittencourt Peixoto

  • First Determination of UV Filters in Marine Mammals. Octocrylene Levels in Franciscana Dolphins

    Pablo Gago-Ferrero;Mariana B. Alonso;Mariana B. Alonso;Carolina P. Bertozzi;Juliana Marigo

  • Heavy metals and methylmercury in a tropical coastal estuary and a mangrove in Brazil

    H.A. Kehrig;F.N. Pinto;I. Moreira;O. Malm

  • DDT (dicloro difenil tricloroetano): toxicidade e contaminação ambiental - uma revisão

    Claudio D'Amato;João P. M. Torres;Olaf Malm

  • Mercury concentrations in inland waters of gold-mining areas in Rondônia, Brazil.

    Wolfgang C. Pfeiffer;Luiz Drude de Lacerda;Olaf Malm;Cristina Maria M. Souza

  • Establishment and analytical quality control of laboratories for Hg determination in biological and geological samples in the Amazon, Brazil

    Wanderley R Bastos;Olaf Malm;Wolfgang C Pfeiffer;David Cleary

  • Pyrethroids in human breast milk: occurrence and nursing daily intake estimation.

    Cayo Corcellas;Maria Luisa Feo;Joao Paulo Torres;Olaf Malm

  • Mercury pollution in Brazil

    Jerome O. Nriagu;Wolfgang C. Pfeiffer;Olaf Malm;Cristina M. Magalhaes de Souza

  • An assessment of Hg pollution in different goldmining areas, Amazon Brazil

    Olaf Malm;Miriam B. Castro;Wanderley R. Bastos;Fernando J.P. Branches

  • Environmental fate of mercury from gold mining in the Brazilian Amazon

    W. C. Pfeiffer;L. D. Lacerda;W. Salomons;O. Malm

  • Methylmercury in Fish and Hair Samples from the Balbina Reservoir, Brazilian Amazon

    Helena do Amaral Kehrig;Olaf Malm;Hirokatsu Akagi;Jean R.D. Guimarães

  • Trophic relationships and mercury biomagnification in Brazilian tropical coastal food webs

    Tatiana Lemos Bisi;Tatiana Lemos Bisi;Gilles Lepoint;Alexandre de Freitas Azevedo;Paulo Renato Dorneles;Paulo Renato Dorneles

Frequent Co-Authors

João Paulo Machado Torres
João Paulo Machado Torres Federal University of Rio de Janeiro
Wolfgang C. Pfeiffer
Wolfgang C. Pfeiffer Federal University of Rio de Janeiro
Damià Barceló
Damià Barceló University of Almería
Ethel Eljarrat
Ethel Eljarrat Spanish National Research Council
Jean Remy Davée Guimarães
Jean Remy Davée Guimarães Federal University of Rio de Janeiro
Krishna Das
Krishna Das University of Liège
Eduardo R. Secchi
Eduardo R. Secchi Federal University of Rio Grande
Monica F. Costa
Monica F. Costa Federal University of Pernambuco
Paulo Hilário Nascimento Saldiva
Paulo Hilário Nascimento Saldiva Universidade de São Paulo
Gilles Lepoint
Gilles Lepoint University of Liège

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Sometimes, beginning with one of the easy bachelor's degree options available online can help prospective students build foundational knowledge while balancing other life commitments before advancing to specialized environmental studies.

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