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Effects of diversity, climate and litter on soil organic carbon storage in subtropical forests
Li, Yin; Liu, Xiaojuan; Xu, Wubing2,3; Bongers, Franca J.; Bao, Weikai4,5; Chen, Bin6; Chen, Guoke1; Guo, Ke1; Lai, Jiangshan1; Lin, Dunmei7; Mi, Xiangcheng1; Tian, Xingjun8; Wang, Xihua9; Yan, Junhua10; Yang, Bo11; Zheng, Yuanrun1; Ma, Keping1
AbstractTropical 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.
KeywordBiodiversity-ecosystem function Soil organic carbon storage Environmental conditions Litter quantity and quality Subtropical forests
Subject AreaForestry
Indexed BySCI
WOS Research AreaForestry
WOS IDWOS:000581970600023
Publication PlaceAMSTERDAM
Funding OrganizationStart-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]
Corresponding Author Emailkpma@ibcas.ac.cn
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Sanming Univ, Fujian Prov Key Lab Resources & Environm Monitori, Sanming 365004, Fujian, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, 20 Nanxincun, Beijing 100093, Peoples R China
3.Aarhus Univ, Ctr Biodivers Dynam Changing World BIOCHANGE, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
4.Aarhus Univ, Dept Biol, Sect Ecoinformat & Biodivers, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
5.Chinese Acad Sci, Chengdu Inst Biol, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Chengdu, Peoples R China
6.Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat & Biodivers Conservat Key Lab Sichu, Chengdu, Peoples R China
7.Shanghai Chenshan Bot Garden, Shanghai 200062, Peoples R China
8.Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Minist Educ, Chongqing 400045, Peoples R China
9.Nanjing Univ, Sch Life Sci, Nanjing 210093, Peoples R China
10.East China Normal Univ, Sch Ecol & Environm Sci, Zhejiang Tiantong Forest Ecosyst Natl Observat &, Shanghai 200241, Peoples R China
11.Chinese Acad Sci, South China Bot Garden, Guangzhou 510650, Peoples R China
12.Jingdezhen Univ, Key Lab Plant Resources & Biodivers Jiangxi Prov, 838 Cidu Ave, Jingdezhen 333000, Jiangxi, Peoples R China
Recommended Citation
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).
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