Article (Scientific journals)
Can we accurately predict the distribution of soil microorganism presence and relative abundance?
Verdon, Valentin; Malard, Lucie; Collart, Flavien et al.
2024In Ecography
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Keywords :
amplicon sequencing; archaea; bacteria; cross-validation; eDNA; fungi; protist; species distribution model; topsoil
Abstract :
[en] Soil microbes play a key role in shaping terrestrial ecosystems. It is therefore essential to understand what drives their distribution. While multivariate analyses have been used to characterise microbial communities and drivers of their spatial patterns, few studies have focused on predicting the distribution of amplicon sequence variants (ASVs). Here, we evaluate the potential of species distribution models (SDMs) to predict the presence–absence and relative abundance distribution of bacteria, archaea, fungi, and protist ASVs in the western Swiss Alps. Advanced automated selection of abiotic covariates was used to circumvent the lack of knowledge on the ecology of each ASV. Presence–absence SDMs could be fitted for most ASVs, yielding better predictions than null models. Relative abundance SDMs performed less well, with low fit and predictive power overall, but displayed a good capacity to differentiate between sites with high and low relative abundance of the modelled ASV. SDMs for bacteria and archaea displayed better predictive power than for fungi and protists, suggesting a closer link of the former with the abiotic covariates used. Microorganism distributions were mostly related to edaphic covariates. In particular, pH was the most selected covariate across models. The study shows the potential of using SDM frameworks to predict the distribution of ASVs obtained from topsoil DNA. It also highlights the need for further development of precise edaphic mapping and scenario modelling to enhances prediction of microorganism distributions in the future.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Verdon, Valentin ;  Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
Malard, Lucie ;  Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
Collart, Flavien  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Biologie de l'évolution et de la conservation - Unité aCREA-Ulg (Conseils et Recherches en Ecologie Appliquée) ; Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
Adde, Antoine ;  Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
Yashiro, Erika ;  Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland ; Department of Fundamental Microbiology, University of Lausanne, Lausanne, Switzerland
Lara Pandi, Enrique ;  Real Jardín Botánico-CSIC, Madrid, Spain
Mod, Heidi ;  Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland
Singer, David ;  Changins College for Viticulture and Enology, University of Sciences and Art Western Switzerland, Nyon, Switzerland
Niculita-Hirzel, Hélène ;  Department of Occupational Health and Environment, Centre for Primary Care and Public Health, University of Lausanne, Lausanne, Switzerland
Guex, Nicolas ;  Bioinformatics Competence Center, University of Lausanne, Lausanne, Switzerland
Guisan, Antoine ;  Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland ; Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland ; Centre Interdisciplinaire de Recherche sur la Montagne, University of Lausanne, Lausanne, Switzerland
Language :
English
Title :
Can we accurately predict the distribution of soil microorganism presence and relative abundance?
Publication date :
2024
Journal title :
Ecography
ISSN :
0906-7590
eISSN :
1600-0587
Publisher :
John Wiley and Sons Inc
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
\u2013 AG received funding from the Swiss National Science Foundation (SNSF, grant no. 184908).
Available on ORBi :
since 05 September 2024

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