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A. Stuart Grandy

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A. Stuart Grandy
OccupationSoil scientist

A. Stuart Grandy is a soil scientist at the University of New Hampshire in Durham. His research addresses soil organic matter dynamics, microbial decomposition processes, and carbon cycling in agricultural, forest, and grassland ecosystems.[1]

Research

Grandy has published 122 papers that have collectively received 13,632 citations, giving him an h-index of 52 according to Semantic Scholar.[2] His work examines how microbial communities transform soil organic matter, the relationship between fine root and soil carbon stocks across biomes, and the mechanisms underlying soil carbon saturation.[3]

Among his most cited work is a 2025 study in Global Change Biology, "Soil Carbon Saturation: What Do We Really Know?", cited 114 times, and a 2025 paper in Communications Earth & Environment, "Evidence for the existence and ecological relevance of fast-cycling mineral-associated organic matter," cited 48 times.[4] A 2024 paper in Journal of Geophysical Research - Biogeosciences, "Bridging 20 Years of Soil Organic Matter Frameworks: Empirical Support, Model Representation, and Next Steps," has been cited 38 times.[5]

Selected publications

  • "Anthropogenic nitrogen deposition restructures decomposing microbial communities, altering SOM molecular composition, but not molecular complexity or diversity" (2026), bioRxiv
  • "Fine root and soil carbon stocks are positively related in grasslands but not in forests" (2025), Communications Earth & Environment
  • "Shrub and Sedge Rhizosphere Communities Display Distinct Affinities Toward Exudates and Soil Organic Matter Degradation: a Quantitative Stable Isotope Probing Analysis" (2025), bioRxiv
  • "Continental-scale relationships of fine root and soil carbon stocks hold in grasslands but not forests" (2025), bioRxiv
  • "Organic amendments tighten nitrogen cycling in agricultural soils: a meta-analysis on gross nitrogen flux" (2025), Frontiers in Agronomy
  • "Soil Carbon Saturation: What Do We Really Know?" (2025), Global Change Biology
  • "Evidence for the existence and ecological relevance of fast-cycling mineral-associated organic matter" (2025), Communications Earth & Environment
  • "Bridging 20 Years of Soil Organic Matter Frameworks: Empirical Support, Model Representation, and Next Steps" (2024), Journal of Geophysical Research - Biogeosciences
  • "Plant community richness and foliar fungicides impact soil Streptomyces inhibition, resistance, and resource use phenotypes" (2024), Frontiers in Microbiology
  • "Elevated atmospheric CO2 drives decreases in stable soil organic carbon in arid ecosystems: Evidence from a physical fractionation and organic compound analysis" (2024), Global Change Biology
  1. ↑ Semantic Scholar author profile for A. Stuart Grandy.
  2. ↑ Semantic Scholar author profile for A. Stuart Grandy.
  3. ↑ Semantic Scholar author profile for A. Stuart Grandy.
  4. ↑ Semantic Scholar author profile for A. Stuart Grandy.
  5. ↑ Semantic Scholar author profile for A. Stuart Grandy.
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