World's Best Scientists 2026 revealed!
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Environmental Sciences
Brazil
2026

D-Index & Metrics

Environmental Sciences

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

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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