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Cropland abandonment enhances soil inorganic nitrogen retention and carbon stock in China: A meta-analysis
Tian, Dashuan1; Xiang, Yangzhou2; Wang, Bingxue1; Li, Meiling1; Liu, Yanshu3; Wang, Jinsong1; Li, Zhaolei1; Niu, Shuli1,4
2018-11-01
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
Volume29Issue:11Pages:3898-3906
Corresponding AuthorTian, Dashuan(tiands@igsnrr.ac.cn) ; Niu, Shuli()
AbstractTransforming cropland into a semi-natural ecosystem is an effective approach to increase soil organic carbon (SOC) and nitrogen sequestration. However, we know little about large-scale response patterns of SOC, soil inorganic nitrogen (SIN), and their interactions over long time of ecosystem restoration. Here, we conducted a meta-analysis to examine changes in SOC, SIN, and their relationship along 50 year's ecosystem development from cropland transformation in China's 'Grain for Green' Programme. Our results showed that SOC and SIN were consistently enhanced by 57% and 35% with transformation, respectively. Similar with SOC, SIN had higher response magnitudes when cropland was restored to forests (47%) than to shrublands (36%) and grasslands (24%). Both SOC and SIN response ratios showed a quadratic relationship with precipitation. Moreover, we found a strong linear relationship (R-2 = 0.36) between SOC and SIN response ratio, with the slope indicating a 0.43% increase in SIN per 1% of increasing SOC. This SIN retention capacity (the slope) significantly increased with restoration time but reduced with precipitation, temperature, and initial SOC. Restored forest had a lower SIN retention capacity than had shrubland and grassland. Overall, this study represents the first to regionally uncover SIN retention mechanism with increasing SOC during ecosystem development. It suggests that ecosystem restoration will contribute more to relieving serious environmental problems (i.e., N leaching and N2O emission) by enhancing SIN retention in China's Grain for Green Programme.
Keywordcarbon sequestration ecosystem recovery land use change soil nitrogen availability the 'Grain for Green' Programme
DOI10.1002/ldr.3137
WOS KeywordLAND-USE CHANGE ; FOR-GREEN PROGRAM ; TERRESTRIAL ECOSYSTEMS ; ORGANIC-CARBON ; LITTER DECOMPOSITION ; GLOBAL METAANALYSIS ; STAND DEVELOPMENT ; P STOICHIOMETRY ; SEQUESTRATION ; CLIMATE
Indexed BySCI
Language英语
Funding ProjectThousand Youth Talents Plan ; Forestry Science and Research Program of Guizhou Province[GZFSTC[2015]] ; Forestry Science and Research Program of Guizhou Province[6] ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences[KFJ-SWSTS-169] ; Ministry of Science and Technology of the People's Republic of China[2016YFC0501803] ; National Natural Science Foundation of China[31625006]
Funding OrganizationThousand Youth Talents Plan ; Forestry Science and Research Program of Guizhou Province ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences ; Ministry of Science and Technology of the People's Republic of China ; National Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000449541200006
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52473
Collection中国科学院地理科学与资源研究所
Corresponding AuthorTian, Dashuan; Niu, Shuli
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Guizhou Inst Forest Inventory & Planning, Guiyang 550003, Guizhou, Peoples R China
3.Chinese Acad Forestry, Inst Desertificat Studies, Beijing 100091, Peoples R China
4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tian, Dashuan,Xiang, Yangzhou,Wang, Bingxue,et al. Cropland abandonment enhances soil inorganic nitrogen retention and carbon stock in China: A meta-analysis[J]. LAND DEGRADATION & DEVELOPMENT,2018,29(11):3898-3906.
APA Tian, Dashuan.,Xiang, Yangzhou.,Wang, Bingxue.,Li, Meiling.,Liu, Yanshu.,...&Niu, Shuli.(2018).Cropland abandonment enhances soil inorganic nitrogen retention and carbon stock in China: A meta-analysis.LAND DEGRADATION & DEVELOPMENT,29(11),3898-3906.
MLA Tian, Dashuan,et al."Cropland abandonment enhances soil inorganic nitrogen retention and carbon stock in China: A meta-analysis".LAND DEGRADATION & DEVELOPMENT 29.11(2018):3898-3906.
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