Carbon versus nitrogen release from root and leaf litter is modulated by litter position and plant functional type
文献类型：期刊论文
| 作者 | Erdenebileg, Enkhmaa4,5; Wang, Congwen4; Yu, Wanying3; Ye, Xuehua; Pan, Xu2; Huang, Zhenying ; Liu, Guofang; Cornelissen, Johannes H. C.
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| 刊名 | JOURNAL OF ECOLOGY
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| 出版日期 | 2023 |
| 卷号 | 111期号:1页码:198-213 |
| 关键词 | dryland leaf and fine root legume litter decomposition litter position litter quality plant functional type plant-soil (below-ground) interactions |
| ISSN号 | 0022-0477 |
| DOI | 10.1111/1365-2745.14026 |
| 文献子类 | Article |
| 英文摘要 | Litters of leaves and roots of different qualities occur naturally above- and below-ground, respectively, where they decompose in contrasting abiotic and biotic environments. Therefore, ecosystem carbon (C) and nitrogen (N) dynamics can be strongly affected by the combination of litter position and quality. However, it is poorly understood how C versus N turnover of litters depend on the interplay among plant functional type (PFT), organs, traits and litter position. In a semi-arid inland dune, soil surface and buried leaf litters and buried fine roots of 25 species across three PFTs (herbs, legume shrubs and nonlegume shrubs) were incubated for 3, 6, 9, 12, 18 and 24 months to investigate litter decomposition and C and N dynamics. Morphological and chemical (nutrient and NMR carbon) traits of initial litters of leaves and fine roots were determined. The litter decomposition rates (k values) of surface leaves and buried fine roots did not differ, but buried fine roots and buried leaf litter decomposed faster than surface leaf litter. Ratios of k values of surface leaves to buried leaves decreased with leaf C:N ratio. Herbs and legume shrubs decomposed faster than nonlegume shrubs for buried fine roots, but not for leaves. At given C loss, buried fine roots had higher N loss than leaf litters; legume shrubs with relatively higher N or lower C:N ratio had higher N loss than nonlegume shrubs. Stronger positive relationships between C and N losses were shown in leaves and legume shrubs than in fine roots and nonlegume shrubs respectively. Synthesis. The generality of faster N release of legume litters at given C release highlights the importance of legumes in N cycling in semi-arid ecosystems where N is the limiting factor. The dynamics and coordination of C versus N release as a function of litter quality are modulated by litter position and PFT. These findings have important implications for the development of process-based models on C and N cycles in the context of on-going global change potentially altering the functional composition of plant communities and the relative quantities and qualities of above-ground versus below-ground litter. |
| 学科主题 | Plant Sciences ; Ecology |
| 出版地 | HOBOKEN |
| 电子版国际标准刊号 | 1365-2745 |
| WOS关键词 | C-13 NMR-SPECTROSCOPY ; DECOMPOSITION RATES ; TERRESTRIAL ECOSYSTEMS ; PHOSPHORUS DYNAMICS ; SUBSTRATE QUALITY ; MASS-LOSS ; SOIL ; GROWTH ; CLIMATE ; TRAITS |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000882717100001 |
| 出版者 | WILEY |
| 资助机构 | National Key Research and Development Program of China [2018YFE0182800] ; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA23080302] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/29085]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Cornelissen, Johannes H. C.] Vrije Univ, Syst Ecol, A LIFE, Amsterdam, Netherlands 2.Northeast Normal Univ, Inst Grassland Sci, Key Lab Vegetat Ecol, Minist Educ, Jilin, Jilin, Peoples R China 3.Mongolian Acad Sci, Bot Garden & Res Inst, Ulaanbaatar, Mongolia, Peoples R China 4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China 5.Univ Chinese Acad Sci, Beijing, Peoples R China 6.Chinese Acad Forestry, Inst Wetland Res, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Erdenebileg, Enkhmaa,Wang, Congwen,Yu, Wanying,et al. Carbon versus nitrogen release from root and leaf litter is modulated by litter position and plant functional type[J]. JOURNAL OF ECOLOGY,2023,111(1):198-213. |
| APA | Erdenebileg, Enkhmaa.,Wang, Congwen.,Yu, Wanying.,Ye, Xuehua.,Pan, Xu.,...&Cornelissen, Johannes H. C..(2023).Carbon versus nitrogen release from root and leaf litter is modulated by litter position and plant functional type.JOURNAL OF ECOLOGY,111(1),198-213. |
| MLA | Erdenebileg, Enkhmaa,et al."Carbon versus nitrogen release from root and leaf litter is modulated by litter position and plant functional type".JOURNAL OF ECOLOGY 111.1(2023):198-213. |
入库方式： OAI收割
来源：植物研究所
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