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Effects of diversity, climate and litter on soil organic carbon storage in subtropical forests

文献类型：期刊论文

作者Li, Yin; Liu, Xiaojuan; Xu, Wubing11,12; Bongers, Franca J.; Bao, Weikai1,2; Chen, Bin3; Chen, Guoke10; Guo, Ke10; Lai, Jiangshan10; Lin, Dunmei4
刊名FOREST ECOLOGY AND MANAGEMENT
出版日期2020
卷号476
关键词Biodiversity-ecosystem function Soil organic carbon storage Environmental conditions Litter quantity and quality Subtropical forests
ISSN号0378-1127
DOI10.1016/j.foreco.2020.118479
文献子类Article
英文摘要Tropical and subtropical forest ecosystems play an important role in the global carbon regulation. Although positive relationships between biodiversity and soil organic carbon (SOC) storage have been found in experimental grasslands, biodiversity effects on SOC storage in natural forests remain debated. Based on a large dataset from 523 forest inventory plots across subtropical forests in China, we tested the relationship between biodiversity and SOC storage and examined whether environmental conditions (temperature, precipitation, soil properties) and litter quantity (leaf litter and root biomass) and quality (leaf litter carbon to nitrogen ratio [leaf litter C/N]) had effects on SOC storage. Furthermore, we used linear mixed-effects models to test the relative effects of biodiversity, environmental conditions, and litter quantity and quality on SOC storage. We used structural equation models to test how these variables directly or indirectly affected SOC storage. We found that species diversity, together with climatic factors (mean annual temperature and mean annual precipitation), leaf litter C/N and root biomass determined SOC storage in subtropical forests at a large spatial scale. SOC storage was most strongly affected by climatic factors, followed by leaf litter C/N. Species diversity had both direct and indirect (through root biomass and leaf litter C/N) effects on SOC storage after accounting for environmental conditions. We also found that the positive diversity-SOC storage relationships were stronger in low and medium mean annual precipitation. Our findings highlight that higher species diversity can lead to higher SOC storage and therefore the conservation of biodiversity could play an important role in climate change mitigation.
学科主题Forestry
出版地AMSTERDAM
电子版国际标准刊号1872-7042
WOS关键词TREE SPECIES RICHNESS ; MICROBIAL EFFICIENCY ; FUNCTIONAL DIVERSITY ; ROOT BIOMASS ; TRAITS ; PRODUCTIVITY ; BIODIVERSITY ; MATTER ; STABILIZATION ; ENVIRONMENTS
WOS研究方向Forestry
语种英语
WOS记录号WOS:000581970600023
出版者ELSEVIER
资助机构Start-up Foundation for Advanced Talents in Sanming University [19YG18] ; Program for Innovative Research Team in Science and Technologe in Fujian Province University [KC190002] ; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA19050404, XDA05050204]
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/21541]  
专题植被与环境变化国家重点实验室
作者单位1.Aarhus Univ, Dept Biol, Sect Ecoinformat & Biodivers, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
2.Chinese Acad Sci, Chengdu Inst Biol, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Chengdu, Peoples R China
3.Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat & Biodivers Conservat Key Lab Sichu, Chengdu, Peoples R China
4.Shanghai Chenshan Bot Garden, Shanghai 200062, Peoples R China
5.Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400045, Peoples R China
6.Nanjing Univ, Sch Life Sci, Nanjing 210093, Peoples R China
7.East China Normal Univ, Sch Ecol & Environm Sci, Zhejiang Tiantong Forest Ecosyst Natl Observat &, Shanghai 200241, Peoples R China
8.Jingdezhen Univ, Key Lab Plant Resources & Biodivers Jiangxi Prov, 838 Cidu Ave, Jingdezhen 333000, Jiangxi, Peoples R China
9.Chinese Acad Sci, South China Bot Garden, Guangzhou 510650, Peoples R China
10.Sanming Univ, Fujian Prov Key Lab Resources & Environm Monitori, Sanming 365004, Fujian, Peoples R China
推荐引用方式
GB/T 7714		 Li, Yin,Liu, Xiaojuan,Xu, Wubing,et al. Effects of diversity, climate and litter on soil organic carbon storage in subtropical forests[J]. FOREST ECOLOGY AND MANAGEMENT,2020,476.
APA Li, Yin.,Liu, Xiaojuan.,Xu, Wubing.,Bongers, Franca J..,Bao, Weikai.,...&Ma, Keping.(2020).Effects of diversity, climate and litter on soil organic carbon storage in subtropical forests.FOREST ECOLOGY AND MANAGEMENT,476.
MLA Li, Yin,et al."Effects of diversity, climate and litter on soil organic carbon storage in subtropical forests".FOREST ECOLOGY AND MANAGEMENT 476(2020).

入库方式： OAI收割

来源：植物研究所

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