NWIPB OpenIR
Changes in litter quality induced by nutrient addition alter litter decomposition in an alpine meadow on the Qinghai-Tibet Plateau
Zhu, Wenyan1,2; Wang, Jinzhou3,4; Zhang, Zhenhua1; Ren, Fei1,2; Chen, Litong1; He, Jin-Sheng1
2016-10-03
发表期刊SCIENTIFIC REPORTS
卷号6
文章类型Article
摘要The effects of nitrogen (N) and phosphorus (P) addition on litter decomposition are poorly understood in Tibetan alpine meadows. Leaf litter was collected from plots within a factorial N x P addition experiment and allowed to decompose over 708 days in an unfertilized plot to determine the effects of N and/or P addition on litter decomposition. Results showed that nutrient addition significantly affected initial P and P-related biochemical properties of litter from all four species. However, the responses of litter N and N-related biochemical properties to nutrient addition were quite species-specific. Litter C decomposition and N release were species-specific. However, N and P addition significantly affected litter P release. Ratios of Hemicellulose + Cellulose to N and P were significantly related to litter C decomposition; C:N ratio was a determinant of litter N release; and C:P and (Hemicellulose + Cellulose):P controlled litter P release. Overall, litter C decomposition was controlled by litter quality of different plant species, and strongly affected by P addition. Increasing N availability is likely to affect litter C decomposition more indirectly by shifting plant species composition than directly by improving litter quality, and may accelerate N and P cycles, but shift the ecosystem to P limitation.
WOS标题词Science & Technology
DOI10.1038/srep34290
关键词[WOS]NITROGEN DEPOSITION ; TERRESTRIAL ECOSYSTEMS ; CARBON ; METAANALYSIS ; PHOSPHORUS ; RATES ; GRASSLANDS ; COMMUNITY ; PATTERNS ; MINERALIZATION
收录类别SCI
语种英语
项目资助者National Program on Key Basic Research Project of the Ministry of Science and Technology of the People's Republic of China(2014CB954003 ; 2014CB954004)
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000384757900001
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/6424
专题中国科学院西北高原生物研究所
作者单位1.Chinese Acad Sci, Northwest Inst Plateau Biol, Haibei Alpine Meadow Ecosyst Res Stn, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Peking Univ, Minist Educ, Coll Urban & Environm Sci, Dept Ecol, Beijing 100871, Peoples R China
4.Peking Univ, Minist Educ, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Zhu, Wenyan,Wang, Jinzhou,Zhang, Zhenhua,et al. Changes in litter quality induced by nutrient addition alter litter decomposition in an alpine meadow on the Qinghai-Tibet Plateau[J]. SCIENTIFIC REPORTS,2016,6.
APA Zhu, Wenyan,Wang, Jinzhou,Zhang, Zhenhua,Ren, Fei,Chen, Litong,&He, Jin-Sheng.(2016).Changes in litter quality induced by nutrient addition alter litter decomposition in an alpine meadow on the Qinghai-Tibet Plateau.SCIENTIFIC REPORTS,6.
MLA Zhu, Wenyan,et al."Changes in litter quality induced by nutrient addition alter litter decomposition in an alpine meadow on the Qinghai-Tibet Plateau".SCIENTIFIC REPORTS 6(2016).
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