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Plant Feedback Aggravates Soil Organic Carbon Loss Associated With Wind Erosion in Northwest China
Lei, LJ (Lei, Lingjie)1; Zhang, KS (Zhang, Kesheng)1; Zhang, XZ (Zhang, Xuanze)2,3; Wang, YP (Wang, Ying-Ping)4,5; Xia, JY (Xia, Jianyang)2,3; Piao, SL (Piao, Shilong)6,7,8; Hui, DF (Hui, Dafeng)9; Zhong, MX (Zhong, Mingxing)1; Ru, JY (Ru, Jingyi)1; Zhou, ZX (Zhou, Zhenxing)1; Song, HQ (Song, Hongquan)1; Yang, ZL (Yang, Zhongling)1; Wang, D (Wang, Dong)1; Miao, Y (Miao, Yuan)1; Yang, F (Yang, Fan)1; Liu, B (Liu, Bin)1; Zhang, A (Zhang, Ang)1; Yu, MY (Yu, Mengyang)1; Liu, XH (Liu, Xianghui)1; Song, YH (Song, Yongheng)1; Zhu, LL (Zhu, Lili)1; Wan, SQ (Wan, Shiqiang)1,10
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
2019
Volume124Issue:4Pages:825-839
DOI10.1029/2018JG004804
Abstract

Soil organic carbon (SOC) loss caused by wind erosion can profoundly impact carbon (C) balance in arid and semiarid regions. Nevertheless, previous researches mainly focused on the direct effect of wind erosion through removing surface soil only but ignored its indirect effects associated with soil nitrogen (N) loss and subsequent reductions of plant productivity. To better understand the wind erosion effect on SOC storage, we conducted a large-scale field experiment by manipulating wind erosion at 371 sites in arid and semiarid regions of northwest China from 2014 to 2016. We further integrated an observation-based empirical equation of wind erosion process into a terrestrial biogeochemical model to evaluate the direct and indirect effects of wind erosion on SOC storage in northwest China. The observed results showed that direct SOC losses increased linearly with the square of wind speed but decreased nonlinearly with soil water content. Over the 34 years (1980-2013), simulated cumulative SOC losses associated with wind erosion in northwest China were 27.47 Tg C, among which the indirect effects contributed to 2.68 Tg C (9.76%). The indirect effect of wind erosion initially enhanced SOC storage by decreasing heterotrophic respiration from 1984 to 1988 but decreased SOC pool by reducing net primary productivity due to soil N loss under the long-term wind erosion scenario. This work, for the first time, quantified the indirect impact of wind erosion on SOC storage via feedback of suppressed plant productivity, which is crucial for the convincing assessment on SOC storage in arid and semiarid regions.

Subject AreaEnvironmental Sciences & Ecology
WOS IDWOS:000469076200007
Language英语
Indexed BySCI
KeywordTerrestrial Biosphere Models Space-time Climate Nitrogen Limitation Size Distribution Land Dust Ecosystem Productivity Patterns Tunnel
WOS Research AreaEnvironmental Sciences & Ecology ; Geology
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary
Cooperation Status国际
ISSN2169-8953
Department高寒生态与人类适应
URL查看原文
PublisherAMER GEOPHYSICAL UNION
SubtypeArticle
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9341
Collection图书馆
Corresponding AuthorWan, SQ (Wan, Shiqiang)
Affiliation1.Henan Univ, Coll Life Sci, Int Joint Res Lab Global Change Ecol, Kaifeng, Henan, Peoples R China;
2.East China Normal Univ, Sch Ecol & Environm Sci, Res Ctr Global Change & Ecol Forecasting, Shanghai, Peoples R China;
3.Inst Ecochongming IEC, Shanghai, Peoples R China;
4.CSIRO, Oceans & Atmosphere, Aspendale, Vic, Australia;
5.Chinese Acad Sci, South China Bot Garden, Guangzhou, Guangdong, Peoples R China;
6.Peking Univ, Coll Urban & Environm Sci, Sinofrench Inst Earth Syst Sci, Beijing, Peoples R China;
7.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China;
8.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, Beijing, Peoples R China;
9.Tennessee State Univ, Dept Biol Sci, Nashville, TN 37203 USA;
10.Hebei Univ, Coll Life Sci, Baoding, Hebei, Peoples R China.
Recommended Citation
GB/T 7714
Lei, LJ ,Zhang, KS ,Zhang, XZ ,et al. Plant Feedback Aggravates Soil Organic Carbon Loss Associated With Wind Erosion in Northwest China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,2019,124(4):825-839.
APA Lei, LJ .,Zhang, KS .,Zhang, XZ .,Wang, YP .,Xia, JY .,...&Wan, SQ .(2019).Plant Feedback Aggravates Soil Organic Carbon Loss Associated With Wind Erosion in Northwest China.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,124(4),825-839.
MLA Lei, LJ ,et al."Plant Feedback Aggravates Soil Organic Carbon Loss Associated With Wind Erosion in Northwest China".JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 124.4(2019):825-839.
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