Thorunn Helgason

6.3k total citations · 2 hit papers
50 papers, 3.8k citations indexed

About

Thorunn Helgason is a scholar working on Plant Science, Insect Science and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Thorunn Helgason has authored 50 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Plant Science, 23 papers in Insect Science and 11 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Thorunn Helgason's work include Mycorrhizal Fungi and Plant Interactions (31 papers), Forest Ecology and Biodiversity Studies (20 papers) and Fungal Biology and Applications (10 papers). Thorunn Helgason is often cited by papers focused on Mycorrhizal Fungi and Plant Interactions (31 papers), Forest Ecology and Biodiversity Studies (20 papers) and Fungal Biology and Applications (10 papers). Thorunn Helgason collaborates with scholars based in United Kingdom, United States and China. Thorunn Helgason's co-authors include Alastair Fitter, Alex J. Dumbrell, Michaela Nelson, Calvin Dytham, J. Peter W. Young, A. H. Fitter, James Merryweather, Angela Hodge, Peter D. Ashton and Paul Wilson and has published in prestigious journals such as Nature Communications, PLoS ONE and Trends in Ecology & Evolution.

In The Last Decade

Thorunn Helgason

49 papers receiving 3.7k citations

Hit Papers

align trajectories

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.

Relative roles of niche and neutral processes in structuring a soil microbial community

2009 672 citations Alex J. Dumbrell, Michaela Nelson et al. The ISME Journal profile →
Distinct seasonal assemblages of arbuscular mycorrhizal fungi revealed by massively parallel pyrosequencing

2011 381 citations Alex J. Dumbrell, Peter D. Ashton et al. New Phytologist profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Thorunn Helgason United Kingdom	29	2.8k	1.4k	727	699	646	50	3.8k
Erik Verbruggen Belgium	35	3.8k 1.4×	1.2k 0.8×	845 1.2×	845 1.2×	635 1.0×	89	5.5k
Ylva Lekberg United States	36	3.5k 1.3×	1.3k 0.9×	857 1.2×	1.4k 2.1×	504 0.8×	72	4.3k
Peter Moutoglis Canada	15	3.2k 1.1×	1.1k 0.8×	758 1.0×	902 1.3×	734 1.1×	20	4.0k
Stavros D. Veresoglou Germany	31	2.9k 1.1×	944 0.7×	613 0.8×	732 1.0×	325 0.5×	80	4.3k
Marc Buée France	31	3.5k 1.3×	1.4k 1.0×	854 1.2×	462 0.7×	432 0.7×	73	4.8k
Sara Branco United States	23	3.6k 1.3×	1.4k 0.9×	1.1k 1.5×	584 0.8×	344 0.5×	42	5.1k
Søren Rosendahl Denmark	41	4.0k 1.5×	1.4k 1.0×	989 1.4×	587 0.8×	939 1.5×	93	5.2k
Jonathan S. Schilling United States	27	3.4k 1.2×	1.3k 0.9×	914 1.3×	483 0.7×	273 0.4×	85	5.1k
Rasmus Kjøller Denmark	36	4.2k 1.5×	1.8k 1.3×	1.3k 1.8×	736 1.1×	690 1.1×	69	5.8k
Nhu Nguyen United States	30	4.0k 1.4×	1.7k 1.2×	1.2k 1.7×	774 1.1×	296 0.5×	64	5.8k

Countries citing papers authored by Thorunn Helgason

Since Specialization

Citations

This map shows the geographic impact of Thorunn Helgason'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 Thorunn Helgason with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Thorunn Helgason more than expected).

Fields of papers citing papers by Thorunn Helgason

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thorunn Helgason. 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 Thorunn Helgason. The network helps show where Thorunn Helgason may publish in the future.

Co-authorship network of co-authors of Thorunn Helgason

This figure shows the co-authorship network connecting the top 25 collaborators of Thorunn Helgason. A scholar is included among the top collaborators of Thorunn Helgason 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 Thorunn Helgason. Thorunn Helgason 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

Helgason, Thorunn, et al.. (2026). AMF primes immune genes against Puccinia hordei (Brown rust) in Hordeum vulgare but does not reduce pathogen burden. FEMS Microbiology Letters. 373.

Hodson, Mark E., et al.. (2023). Enhanced plant growth in the presence of earthworms correlates with changes in soil microbiota but not nutrient availability. Geoderma. 433. 116426–116426. 15 indexed citations

Castro-Gutiérrez, Víctor, Juan Carlos Cambronero-Heinrichs, Peter Jarvis, et al.. (2022). Bioaugmentation of pilot-scale slow sand filters can achieve compliant levels for the micropollutant metaldehyde in a real water matrix. Water Research. 211. 118071–118071. 18 indexed citations

Ji, Lingfei, Xiangde Yang, Chen Zhu, et al.. (2022). Land-use changes alter the arbuscular mycorrhizal fungal community composition and assembly in the ancient tea forest reserve. Agriculture Ecosystems & Environment. 339. 108142–108142. 14 indexed citations

Prendergast‐Miller, Miranda T., David T. Jones, Susannah Bird, et al.. (2021). Arable fields as potential reservoirs of biodiversity: Earthworm populations increase in new leys. The Science of The Total Environment. 789. 147880–147880. 24 indexed citations

Turner, Anthony, Richard Grayson, Joseph Holden, et al.. (2021). Soil quality regeneration by grass-clover leys in arable rotations compared to permanent grassland: Effects on wheat yield and resilience to drought and flooding. Soil and Tillage Research. 212. 105037–105037. 28 indexed citations

Li, Yi, Adam Dowle, John D. Taylor, et al.. (2021). Mechanistic strategies of microbial communities regulating lignocellulose deconstruction in a UK salt marsh. Microbiome. 9(1). 48–48. 50 indexed citations

Liang, Minxia, David Johnson, David F. R. P. Burslem, et al.. (2020). Soil fungal networks maintain local dominance of ectomycorrhizal trees. Nature Communications. 11(1). 2636–2636. 107 indexed citations

Liu, Xubing, David F. R. P. Burslem, John D. Taylor, et al.. (2018). Partitioning of soil phosphorus among arbuscular and ectomycorrhizal trees in tropical and subtropical forests. Ecology Letters. 21(5). 713–723. 108 indexed citations

10.

Ashton, Peter D., et al.. (2017). Increasing flooding frequency alters soil microbial communities and functions under laboratory conditions. MicrobiologyOpen. 7(1). 33 indexed citations

11.

Toet, Sylvia, Phil Ineson, Thorunn Helgason, et al.. (2016). How does elevated ozone reduce methane emissions from peatlands?. The Science of The Total Environment. 579. 60–71. 8 indexed citations

12.

Cotton, T. E. Anne, Alastair Fitter, R. M. Miller, Alex J. Dumbrell, & Thorunn Helgason. (2015). Fungi in the future: interannual variation and effects of atmospheric change on arbuscular mycorrhizal fungal communities. New Phytologist. 205(4). 1598–1607. 57 indexed citations

13.

Hart, Miranda M., Kristin Aleklett, Pierre‐Luc Chagnon, et al.. (2015). Navigating the labyrinth: a guide to sequence‐based, community ecology of arbuscular mycorrhizal fungi. New Phytologist. 207(1). 235–247. 104 indexed citations

14.

Cotton, T. E. Anne, Alex J. Dumbrell, & Thorunn Helgason. (2014). What Goes in Must Come out: Testing for Biases in Molecular Analysis of Arbuscular Mycorrhizal Fungal Communities. PLoS ONE. 9(10). e109234–e109234. 12 indexed citations

15.

Dumbrell, Alex J., Peter D. Ashton, Naveed Aziz, et al.. (2011). Distinct seasonal assemblages of arbuscular mycorrhizal fungi revealed by massively parallel pyrosequencing. New Phytologist. 190(3). 794–804. 381 indexed citations breakdown →

16.

Helgason, Thorunn & A. H. Fitter. (2009). Natural selection and the evolutionary ecology of the arbuscular mycorrhizal fungi (Phylum Glomeromycota). Journal of Experimental Botany. 60(9). 2465–2480. 197 indexed citations

17.

Dumbrell, Alex J., Michaela Nelson, Thorunn Helgason, Calvin Dytham, & Alastair Fitter. (2009). Relative roles of niche and neutral processes in structuring a soil microbial community. The ISME Journal. 4(3). 337–345. 672 indexed citations breakdown →

18.

Helgason, Thorunn, et al.. (2003). Phylogeny of the Glomerales and Diversisporales (Fungi: Glomeromycota) from actin and elongation factor 1-alpha sequences. FEMS Microbiology Letters. 229(1). 127–132. 55 indexed citations

19.

Helgason, Thorunn, et al.. (2002). Selectivity and functional diversity in arbuscular mycorrhizas of co‐occurring fungi and plants from a temperate deciduous woodland. Journal of Ecology. 90(2). 371–384. 366 indexed citations

20.

Quigley, R. M., Federico Fernandez, Ernest K. Yanful, et al.. (1987). Hydraulic conductivity of contaminated natural clay directly below a domestic landfill. Canadian Geotechnical Journal. 24(3). 377–383. 35 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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