Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/ele.13700 |
Experimental nitrogen fertilisation globally accelerates, then slows decomposition of leaf litter | |
Allison L. Gill; Jonathan Schilling; Sarah E. Hobbie | |
2021-02-14 | |
发表期刊 | Ecology Letters |
出版年 | 2021 |
英文摘要 | Plant litter decomposition is a central process in the carbon (C) cycle and sensitive to ongoing anthropogenic nitrogen (N) fertilisation. Previous syntheses evaluating the effect of N fertilisation on litter decomposition relied largely on models that define a constant rate of mass loss throughout decomposition, which may mask hypothesised shifts in the effect of N fertilisation on litter decomposition dynamics. In this meta‐analysis, we compared the performance of four empirical decomposition models and showed that N fertilisation consistently accelerates early‐stage but slows late‐stage decomposition when the model structure allows for flexibility in decomposition rates through time. Within a particular substrate, early‐stage N‐stimulation of decomposition was associated with reduced rates of late‐stage decay. Because the products of early‐ vs. late‐stage decomposition are stabilised in soils through distinct chemical and physical mechanisms, N‐induced changes in the litter decomposition process may influence the formation and cycling of soil C, the largest terrestrial C pool. |
领域 | 资源环境 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/313890 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | Allison L. Gill,Jonathan Schilling,Sarah E. Hobbie. Experimental nitrogen fertilisation globally accelerates, then slows decomposition of leaf litter[J]. Ecology Letters,2021. |
APA | Allison L. Gill,Jonathan Schilling,&Sarah E. Hobbie.(2021).Experimental nitrogen fertilisation globally accelerates, then slows decomposition of leaf litter.Ecology Letters. |
MLA | Allison L. Gill,et al."Experimental nitrogen fertilisation globally accelerates, then slows decomposition of leaf litter".Ecology Letters (2021). |
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