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Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China
Luo, Wentao; Li, Mai-He; Sardans, Jordi2,3; Lu, Xiao-Tao; Wang, Chao; Penuelas, Josep2,3; Wang, Zhengwen; Han, Xing-Guo; Jiang, Yong
2017
发表期刊ECOLOGY AND EVOLUTION
ISSN2045-7758
卷号7期号:17页码:6927-6934
摘要Plant carbon (C) and nitrogen (N) stoichiometry play an important role in the maintenance of ecosystem structure and function. To decipher the influence of changing environment on plant C and N stoichiometry at the subcontinental scale, we studied the shoot and root C and N stoichiometry in two widely distributed and dominant genera along a 2,200-km climatic gradient in China's grasslands. Relationships between C and N concentrations and soil climatic variables factors were studied. In contrast to previous theory, plant C concentration and C:N ratios in both shoots and roots increased with increasing soil fertility and decreased with increasing aridity. Relative N allocation shifted from soils to plants and from roots to shoots with increasing aridity. Changes in the C:N ratio were associated with changes in N concentration. Dynamics of plant C concentration and C:N ratios were mainly caused by biomass reallocation and a nutrient dilution effect in the plant-soil system. Our results suggest that the shifted allocation of C and N to different ecosystem compartments under a changing environment may change the overall use of these elements by the plant-soil system.
关键词biomass allocation climatic gradient nutrient availability plant chemistry transect
学科领域Biochemistry & Molecular Biology ; Plant Sciences
DOI10.1016/j.molp.2017.03.009
收录类别SCI
语种英语
WOS关键词SEMIARID GRASSLAND ; STOICHIOMETRY ; ECOSYSTEMS ; CLIMATE ; PRECIPITATION ; PRODUCTIVITY ; PATTERNS ; BIOMASS
WOS记录号WOS:000402400000006
出版者WILEY
文献子类Article
出版地HOBOKEN
资助机构National Basic Research Program of ChinaNational Basic Research Program of China [2016YFC0500707, 2016YFC0500700] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41371251, 41600302] ; European Research Council Synergy [ERC-SyG-2013-610028] ; Spanish GovernmentSpanish GovernmentEuropean Commission [CGL2013-48074-P] ; Catalan Government [SGR 2014-274] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)
作者邮箱jiangyong@iae.ac.cn
作品OA属性Bronze
引用统计
被引频次:221[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/22220
专题植被与环境变化国家重点实验室
作者单位1.Chinese Acad Sci, Erguna Forest Steppe Ecotone Res Stn, Inst Appl Ecol, Shenyang, Liaoning, Peoples R China
2.Swiss Fed Res Inst WSL, Birmensdorf, Switzerland
3.UAB, CEAB, CREAF, CSIC,Global Ecol Unit, Cerdanyola Del Valles, Catalonia, Spain
4.CREAF, Cerdanyola Del Valles, Catalonia, Spain
5.Chinese Acad Sci, State Key Lab Vegetat & Environm Change, Inst Bot, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Luo, Wentao,Li, Mai-He,Sardans, Jordi,et al. Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China[J]. ECOLOGY AND EVOLUTION,2017,7(17):6927-6934.
APA Luo, Wentao.,Li, Mai-He.,Sardans, Jordi.,Lu, Xiao-Tao.,Wang, Chao.,...&Jiang, Yong.(2017).Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China.ECOLOGY AND EVOLUTION,7(17),6927-6934.
MLA Luo, Wentao,et al."Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China".ECOLOGY AND EVOLUTION 7.17(2017):6927-6934.
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