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Early positive effects of tree species richness on soil organic carbon accumulation in a large-scale forest biodiversity experiment
Li, Yin1; Bruelheide, Helge2,3; Scholten, Thomas4; Schmid, Bernhard5; Sun, Zhenkai6; Zhang, Naili; Bu, Wensheng7; Liu, Xiaojuan; Ma, Keping1
2019
发表期刊JOURNAL OF PLANT ECOLOGY
ISSN1752-9921
卷号12期号:5页码:882-893
摘要Aims Tree species richness has been reported to have positive effects on aboveground biomass and productivity, but little is known about its effects on soil organic carbon (SOC) accumulation. Methods To close this gap, we made use of a large biodiversity-ecosystem functioning experiment in subtropical China (BEF-China) and tested whether tree species richness enhanced SOC accumulation. In 2010 and 2015, vertically layered soil samples were taken to a depth of 30 cm from 57 plots ranging in tree species richness from one to eight species. Least squares-based linear models and analysis of variance were used to investigate tree diversity effects. Structural equation modeling was used to explore hypothesized indirect relationships between tree species richness, leaf-litter biomass, leaf-litter carbon content, fine-root biomass and SOC accumulation. Important Findings Overall, SOC content decreased by 5.7 and 1.1 g C kg(-1) in the top 0-5 and 5-10 cm soil depth, respectively, but increased by 1.0 and 1.5 g C kg(-1) in the deeper 10-20 and 20-30 cm soil depth, respectively. Converting SOC content to SOC stocks using measures of soil bulk density showed that tree species richness did enhance SOC accumulation in the different soil depths. These effects could only to some extent be explained by leaf-litter biomass and not by fine-root biomass. Our findings suggest that carbon storage in new forests in China could be increased by planting more diverse stands, with the potential to contribute to mitigation of climate warming.
关键词BEF-China diversity fine-root biomass leaf-litter biomass soil carbon accumulation
学科领域Plant Sciences ; Ecology ; Forestry
DOI10.1093/jpe/rtz026
收录类别SCI
语种英语
WOS关键词FINE-ROOT PRODUCTION ; LAND-USE CHANGE ; PLANT DIVERSITY ; SUBTROPICAL FOREST ; LITTER PRODUCTION ; LEAF-LITTER ; STOCKS ; NITROGEN ; STORAGE ; PRODUCTIVITY
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology ; Forestry
WOS记录号WOS:000491991000009
出版者OXFORD UNIV PRESS
文献子类Article
出版地OXFORD
EISSN1752-993X
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31270496, 31300353] ; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA 05050204] ; University Research Priority Program Global Change and Biodiversity of the University of Zurich
作者邮箱kpma@ibcas.ac.cn
引用统计
被引频次:23[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/2S10CLM1/19692
专题植被与环境变化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, 20 Nanxincun, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Martin Luther Univ Halle Wittenberg, Inst Biol Geobot & Bot Garden, Kirchtor 1, D-06108 Halle, Germany
4.German Ctr Integrat Biodivers Res iDiv, Deutsch Platt 5e, D-04103 Leipzig, Germany
5.Eberhard Karls Univ Tubingen, Dept Geosci Soil Sci & Geomorphol, Rumelinstr 19-23, D-72070 Tubingen, Germany
6.Univ Zurich, Dept Geog, Winterthurerstr 190, CH-8057 Zurich, Switzerland
7.Chinese Acad Forestry, Res Inst Forestry, Beijing 100091, Peoples R China
8.Jiangxi Agr Univ, Coll Forestry, Nanchang 330045, Jiangxi, Peoples R China
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GB/T 7714
Li, Yin,Bruelheide, Helge,Scholten, Thomas,et al. Early positive effects of tree species richness on soil organic carbon accumulation in a large-scale forest biodiversity experiment[J]. JOURNAL OF PLANT ECOLOGY,2019,12(5):882-893.
APA Li, Yin.,Bruelheide, Helge.,Scholten, Thomas.,Schmid, Bernhard.,Sun, Zhenkai.,...&Ma, Keping.(2019).Early positive effects of tree species richness on soil organic carbon accumulation in a large-scale forest biodiversity experiment.JOURNAL OF PLANT ECOLOGY,12(5),882-893.
MLA Li, Yin,et al."Early positive effects of tree species richness on soil organic carbon accumulation in a large-scale forest biodiversity experiment".JOURNAL OF PLANT ECOLOGY 12.5(2019):882-893.
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