World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
92
Citations
25781
World Ranking
2247
National Ranking
1207

Research.com Recognitions

  • 2006 - Fellow of the Soil Science Society of America (SSSA)

Overview

Randy A. Dahlgren is affiliated with the University of California, Davis in the United States. Their research primarily falls within the field of Environmental Science, with a focus on several key subfields including Ecology, Environmental Chemistry, Pollution, Oceanography, and Soil Science.

The scientist's work covers important topics such as Microbial Community Ecology and Physiology, Soil Carbon and Nitrogen Dynamics, Soil and Water Nutrient Dynamics, Marine and Coastal Ecosystems, Hydrology and Watershed Management Studies, Recycling and Waste Management Techniques, and Fish Ecology and Management Studies.

Frequent publication venues for their research include:

  • Journal of Hazardous Materials
  • Environmental Science & Technology
  • The Science of The Total Environment
  • Geoderma
  • Water Research

Dahlgren's recent papers include:

  • Elevated temperature shifts soil N cycling from microbial immobilization to enhanced mineralization, nitrification and denitrification across global terrestrial ecosystems (2020, Global Change Biology)
  • Airborne microplastics in indoor and outdoor environments of a coastal city in Eastern China (2021, Journal of Hazardous Materials)
  • Airborne Microplastic Concentrations in Five Megacities of Northern and Southeast China (2021, Environmental Science & Technology)
  • Long-term (1980-2015) changes in net anthropogenic phosphorus inputs and riverine phosphorus export in the Yangtze River basin (2020, Water Research)
  • Nitrate pollution source apportionment, uncertainty and sensitivity analysis across a rural-urban river network based on δ15N/δ18O-NO3− isotopes and SIAR modeling (2022, Journal of Hazardous Materials)

The scientist has collaborated frequently with other researchers, including:

  • Jianming Xu
  • Zheng Chen
  • Xiaoliang Ji
  • Minghua Zhang
  • Xu Shang

Randy A. Dahlgren was recognized as a Fellow of the Soil Science Society of America (SSSA) in 2006.

Best Publications

  • TANNINS IN NUTRIENT DYNAMICS OF FOREST ECOSYSTEMS- A REVIEW

    Tamara E. C. Kraus;Randy A. Dahlgren;Robert J. Zasoski

  • Polyphenol control of nitrogen release from pine litter

    Robert R. Northup;Zengshou Yu;Randy A. Dahlgren;Kristina A. Vogt

  • Land use and land cover influence on water quality in the last free-flowing river draining the western Sierra Nevada, California

    Dylan S. Ahearn;Richard W. Sheibley;Randy A. Dahlgren;Michael Anderson

  • The Nature, Properties and Management of Volcanic Soils

    R.A. Dahlgren;M. Saigusa;F.C. Ugolini

  • Polyphenols as regulators of plant-litter-soil interactions in northern California’s pygmy forest: A positive feedback?

    Robert R. Northup;Randy A. Dahlgren;John G. McColl

  • Elevated temperature shifts soil N cycling from microbial immobilization to enhanced mineralization, nitrification and denitrification across global terrestrial ecosystems

    Zhongmin Dai;Mengjie Yu;Huaihai Chen;Haochun Zhao

  • Soil development along an elevational transect in the western Sierra Nevada, California

    R.A. Dahlgren;J.L. Boettinger;G.L. Huntington;R.G. Amundson

  • Contribution of bedrock nitrogen to high nitrate concentrations in stream water

    J. M. Holloway;R. A. Dahlgren;B. Hansen;W. H. Casey

  • A Review of Vegetated Buffers and a Meta-analysis of Their Mitigation Efficacy in Reducing Nonpoint Source Pollution

    Xuyang Zhang;Xingmei Liu;Minghua Zhang;Randy A. Dahlgren

  • Chapter 7 Physical Characteristics of Volcanic Ash Soils

    Masami Nanzyo;S. Shoji;R. Dahlgren

  • The effects of whole-tree clear-cutting on soil processes at the Hubbard Brook Experimental Forest, New Hampshire, USA

    R. A. Dahlgren;R. A. Dahlgren;C. T. Driscoll;C. T. Driscoll

  • Risk analysis of heavy metal concentration in surface waters across the rural-urban interface of the Wen-Rui Tang River, China

    Liyin Qu;Hong Huang;Fang Xia;Yuan Yuan Liu

  • Temperature, water content and wet–dry cycle effects on DOC production and carbon mineralization in agricultural peat soils

    Alex T. Chow;Kenneth K. Tanji;Suduan Gao;Randy A. Dahlgren

  • Nitrogen in rock: Occurrences and biogeochemical implications

    JoAnn M. Holloway;Randy A. Dahlgren

  • Contribution of amino compounds to dissolved organic nitrogen in forest soils

    Z. Yu;Q. Zhang;T.E.C. Kraus;R.A. Dahlgren

  • Convergent evidence for widespread rock nitrogen sources in Earth's surface environment.

    Benjamin Houlton;S. L. Morford;Randy A. Dahlgren

  • Airborne microplastics in indoor and outdoor environments of a coastal city in Eastern China.

    Zhonglu Liao;Xiaoliang Ji;Yuan Ma;Baoqiang Lv

  • Oak tree and grazing impacts on soil properties and nutrients in a California oak woodland

    R.A. Dahlgren;M.J. Singer;X. Huang

  • Impacts of land use and population density on seasonal surface water quality using a modified geographically weighted regression

    Qiang Chen;Kun Mei;Randy A. Dahlgren;Ting Wang

  • Simultaneous sorption of Cd, Cu, Ni, Zn, Pb, and Cr on soils treated with sewage sludge supernatant

    Suduan Gao;William J. Walker;Randy A. Dahlgren;Jeff Bold

Frequent Co-Authors

Kenneth W. Tate
Kenneth W. Tate University of California, Davis
Alex T. Chow
Alex T. Chow Clemson University
Edward R. Atwill
Edward R. Atwill University of California, Davis
Benjamin Z. Houlton
Benjamin Z. Houlton University of California, Davis
Michael J. Singer
Michael J. Singer University of California, Davis
Carol Kendall
Carol Kendall United States Geological Survey
Po Keung Wong
Po Keung Wong Chinese University of Hong Kong
William R. Horwath
William R. Horwath University of California, Davis
Robert G. M. Spencer
Robert G. M. Spencer Florida State University
Jianming Xu
Jianming Xu Zhejiang University

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