Mark G. Johnson

8.0k total citations · 1 hit paper
92 papers, 6.1k citations indexed

About

Mark G. Johnson is a scholar working on Soil Science, Plant Science and Global and Planetary Change. According to data from OpenAlex, Mark G. Johnson has authored 92 papers receiving a total of 6.1k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Soil Science, 35 papers in Plant Science and 35 papers in Global and Planetary Change. Recurrent topics in Mark G. Johnson's work include Soil Carbon and Nitrogen Dynamics (35 papers), Plant Water Relations and Carbon Dynamics (30 papers) and Plant responses to elevated CO2 (26 papers). Mark G. Johnson is often cited by papers focused on Soil Carbon and Nitrogen Dynamics (35 papers), Plant Water Relations and Carbon Dynamics (30 papers) and Plant responses to elevated CO2 (26 papers). Mark G. Johnson collaborates with scholars based in United States, Ghana and Germany. Mark G. Johnson's co-authors include Markus Kleber, Peter Nico, Marco Keiluweit, David T. Tingey, Donald L. Phillips, J. Kern, J. M. Novak, Paul T. Rygiewicz, Marjorie J. Storm and Kurt A. Spokas and has published in prestigious journals such as Environmental Science & Technology, The Science of The Total Environment and Applied and Environmental Microbiology.

In The Last Decade

Mark G. Johnson

91 papers receiving 5.9k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Dynamic Molecular Structure of Plant Biomass-Derived Black Carbon (Biochar)

2010 2.5k citations Marco Keiluweit, Peter Nico et al. Environmental Science & Technology profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Mark G. Johnson	2.1k	1.3k	1.1k	1.1k	1.0k	92	6.1k
William C. Hockaday	3.5k 1.7×	1.2k 0.9×	878 0.8×	1.0k 0.9×	640 0.6×	67	7.5k
Ellen R. Gräber	3.0k 1.4×	2.4k 1.8×	931 0.8×	679 0.6×	676 0.7×	114	8.4k
Renduo Zhang	1.9k 0.9×	1.1k 0.8×	478 0.4×	1.2k 1.1×	1.2k 1.2×	239	8.3k
Frank Verheijen	3.7k 1.8×	987 0.7×	601 0.5×	591 0.5×	409 0.4×	47	5.7k
Marco Keiluweit	3.3k 1.6×	1.0k 0.8×	563 0.5×	1.5k 1.4×	1.7k 1.7×	59	9.0k
Gerhard Soja	1.8k 0.8×	1.5k 1.1×	288 0.3×	872 0.8×	1.1k 1.1×	126	5.9k
Marco Antonio Rondón	3.5k 1.7×	1.2k 0.9×	470 0.4×	794 0.7×	323 0.3×	12	5.6k
W. P. Miller	1.5k 0.7×	655 0.5×	519 0.5×	522 0.5×	910 0.9×	107	5.1k
J. Letey	2.9k 1.4×	1.8k 1.4×	1.8k 1.7×	867 0.8×	666 0.7×	238	8.0k
Simon Jeffery	4.4k 2.1×	1.5k 1.1×	475 0.4×	761 0.7×	272 0.3×	39	6.6k

Countries citing papers authored by Mark G. Johnson

Since Specialization

Citations

This map shows the geographic impact of Mark G. Johnson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Mark G. Johnson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Mark G. Johnson more than expected).

Fields of papers citing papers by Mark G. Johnson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Mark G. Johnson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Mark G. Johnson. The network helps show where Mark G. Johnson may publish in the future.

Co-authorship network of co-authors of Mark G. Johnson

This figure shows the co-authorship network connecting the top 25 collaborators of Mark G. Johnson. A scholar is included among the top collaborators of Mark G. Johnson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Mark G. Johnson. Mark G. Johnson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Johnson, Mark G. & Meghan Barrett. (2025). Review: Exploring correctness, usefulness, and feasibility of potential physiological operational welfare indicators for farmed insects to establish research priorities. animal. 19. 101501–101501.

Ippolito, James A., Thomas F. Ducey, Kurt A. Spokas, Kristin M. Trippe, & Mark G. Johnson. (2024). A biochar selection method for remediating heavy metal contaminated mine tailings. International Journal of Environmental Science and Technology. 21(15). 9611–9622. 3 indexed citations

Watts, D. W., et al.. (2023). Evaluation of a pH- and time-dependent model for the sorption of heavy metal cations by poultry litter-derived biochar. Chemosphere. 347. 140688–140688. 4 indexed citations

Johnson, Mark G., David M. Olszyk, Tamotsu Shiroyama, et al.. (2023). Designing amendments to improve plant performance for mine tailings revegetation. Agrosystems Geosciences & Environment. 6(3). 1–18. 2 indexed citations

Watts, D. W., et al.. (2023). Magnesium activation affects the properties and phosphate sorption capacity of poultry litter biochar. Biochar. 5(1). 1–14. 10 indexed citations

Eckley, Chris S., et al.. (2022). The effects of biochar and redox conditions on soil Pb bioaccessibility to people and waterfowl. Chemosphere. 294. 133675–133675. 7 indexed citations

Ducey, Thomas F., J. M. Novak, Gilbert C. Sigua, et al.. (2021). Microbial response to designer biochar and compost treatments for mining impacted soils. Biochar. 3(3). 299–314. 9 indexed citations

Trippe, Kristin M., Viola A. Manning, Catherine L. Reardon, et al.. (2021). Phytostabilization of acidic mine tailings with biochar, biosolids, lime, and locally-sourced microbial inoculum: Do amendment mixtures influence plant growth, tailing chemistry, and microbial composition?. Applied Soil Ecology. 165. 103962–103962. 38 indexed citations

Olszyk, David M., Tamotsu Shiroyama, J. M. Novak, et al.. (2020). Biochar Affects Essential Nutrients of Carrot Taproots and Lettuce Leaves. HortScience. 55(2). 261–271. 8 indexed citations

10.

Matosziuk, Lauren M., et al.. (2019). Effects of season and interval of prescribed burns on pyrogenic carbon in ponderosa pine stands in the southern Blue Mountains, Oregon, USA. Geoderma. 348. 1–11. 20 indexed citations

11.

Helmers, Matthew J., et al.. (2017). Prairie Strips for Sediment and Nutrient Control and Biodiversity. Journal of Extension. 55(1). 7 indexed citations

12.

Novak, J. M., Gilbert C. Sigua, D. W. Watts, et al.. (2015). Biochars impact on water infiltration and water quality through a compacted subsoil layer. Chemosphere. 142. 160–167. 83 indexed citations

13.

Sigua, Gilbert C., J. M. Novak, D. W. Watts, Mark G. Johnson, & Kurt A. Spokas. (2015). Efficacies of designer biochars in improving biomass and nutrient uptake of winter wheat grown in a hard setting subsoil layer. Chemosphere. 142. 176–183. 65 indexed citations

14.

Pokhrel, Lok R., Christian P. Andersen, Paul T. Rygiewicz, & Mark G. Johnson. (2014). Preferential interaction of Na+ over K+ with carboxylate-functionalized silver nanoparticles. The Science of The Total Environment. 490. 11–18. 11 indexed citations

15.

Keiluweit, Marco, Peter Nico, Mark G. Johnson, & Markus Kleber. (2010). Dynamic Molecular Structure of Plant Biomass-Derived Black Carbon (Biochar). Environmental Science & Technology. 44(4). 1247–1253. 2506 indexed citations breakdown →

16.

Tingey, David T., Ronald S. Waschmann, Donald L. Phillips, et al.. (2009). Seasonal and long-term effects of CO2 and O3 on water loss in ponderosa pine and their interaction with climate and soil moisture. Tree Physiology. 29(11). 1381–1393. 2 indexed citations

17.

Tingey, David T., et al.. (2006). Does soil CO ₂ efflux acclimatize to elevated temperature and CO ₂ during long‐term treatment of Douglas‐fir seedlings?. New Phytologist. 170(1). 107–118. 22 indexed citations

18.

Tingey, David T., Donald L. Phillips, & Mark G. Johnson. (2002). Optimizing minirhizotron sample frequency for an evergreen and deciduous tree species. New Phytologist. 157(1). 155–161. 21 indexed citations

19.

Olszyk, David M., Mark G. Johnson, Donald L. Phillips, et al.. (2001). Interactive effects of CO2 and O3 on a ponderosa pine plant/litter/soil mesocosm. Environmental Pollution. 115(3). 447–462. 28 indexed citations

20.

Hobbie, Erik A., David M. Olszyk, Paul T. Rygiewicz, David T. Tingey, & Mark G. Johnson. (2001). Foliar nitrogen concentrations and natural abundance of 15N suggest nitrogen allocation patterns of Douglas-fir and mycorrhizal fungi during development in elevated carbon dioxide concentration and temperature. Tree Physiology. 21(15). 1113–1122. 36 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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