ArticleProceedings of the National Academy of Sciences of the United States of America2023
Decomposition decreases molecular diversity and ecosystem similarity of soil organic matter.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Mangrove sediments as carbon sinks: a global analysis of research patterns, trends and future directions.Environmental science and pollution research international · 2026Review
- ENVnet provides a global molecular resource of dissolved organic matter.Nature biotechnology · 2026Article
- Optimizing Cryo-Focused Pyrolysis GC/MS for Tracing Soil Organic Matter Across Diverse Ecosystems.Environmental science & technology · 2026Article
- Nutrient dynamics of decomposing litter and their effects on subsequent mass loss and nutrient release in a subtropical forest.BMC plant biology · 2026Article
- Effects of irrigation techniques on soil carbon sequestration and yield maintenance in non-rainfed croplands under straw return.Frontiers in microbiology · 2026Article
- Decomposition causes short-term increases in functional molecular diversity of dissolved organic matter.Nature communications · 2025Article
- Nonliving respiration: Another breath in the soil?Science advances · 2025Article
- Bacterial richness enhances the thermostability of soil organic matter via a long-term trade-off between molecular diversity and thermodynamic stability.Nature food · 2025Article
- Molecular diversity of dissolved organic matter reflects macroecological patterns in river networks.Scientific reports · 2025Article
- Organic molecules are deterministically assembled in variably inundated river sediments, but drivers remain unclear.Scientific reports · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Soil organic matter (SOM) is comprised of a diverse array of reactive carbon molecules, including hydrophilic and hydrophobic compounds, that impact rates of SOM formation and persistence. Despite clear importance to ecosystem science, little is known about broad-scale controls on SOM diversity and variability in soil. Here, we show that microbial decomposition drives significant variability in the molecular richness and diversity of SOM between soil horizons and across a continental-scale gradient in climate and ecosystem type (arid shrubs, coniferous, deciduous, and mixed forests, grasslands, and tundra sedges). The molecular dissimilarity of SOM was strongly influenced by ecosystem type (hydrophilic compounds: 17%,
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