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Stocks and Stoichiometry of Soil Organic Carbon, Total Nitrogen, and Total Phosphorus after Vegetation Restoration in the Loess Hilly Region, China
Xu, Hongwei1,3; Qu, Qing2; Li, Peng2; Guo, Ziqi2; Wulan, Entemake2; Xue, Sha1,2,3
2019
Source PublicationFORESTS
ISSN1999-4907
Volume10Issue:1Pages:14
Corresponding AuthorXue, Sha(xuesha100@163.com)
AbstractThe Loess Plateau is an important region for vegetation restoration in China; however, changes in soil organic carbon (SOC), soil nutrients, and stoichiometry after restoration in this vulnerable ecoregion are not well understood. Typical restoration types, including orchardland, grassland, shrubland, and forestland, were chosen to examine changes in the stocks and stoichiometry of SOC, soil total nitrogen (TN), and soil total phosphorus (TP) at different soil depths and recovery times. Results showed that SOC stocks first increased and then stabilized in orchardland, grassland, and shrubland at 0-30 cm depths, while in forestland, SOC stocks gradually increased. Soil TN stocks first increased and then decreased in orchardland, shrubland, and forestland with restoration age at 0-30 cm depths, while soil TP stocks showed little variation between restoration types; at the same time, the overall C:N, C:P, and N:P ratios increased with restoration age. In the later stages of restoration, the stocks of SOC and soil TN at 0-30 cm soil depths were still lower than those in natural grassland and natural forest. Additionally, the SOC, soil TN, and soil TP stocks and the C:N, C:P, and N:P ratios decreased with soil depth. The forestland had the highest rate of change in SOC and soil TN stocks, at 0-10 cm soil depth. These results indicate a complex response of SOC, soil TN, and soil TP stocks and stoichiometry to vegetation restoration, which could have important implications for understanding C, N, and P changes and nutrient limitations after vegetation restoration.
Keywordsoil stoichiometry soil nutrient nutrient limitations natural grassland natural forest
DOI10.3390/f10010027
WOS KeywordLAND-USE CHANGE ; P STOICHIOMETRY ; PLANT LEAF ; ECOSYSTEMS ; EROSION ; STORAGE ; ROOTS
Indexed BySCI
Language英语
Funding ProjectNational Science and Technology Support Program[2015BAC01B03] ; Natural Science Foundation of China[41771557] ; Foundation for Western Young Scholars, Chinese Academy of Sciences[XAB2015A05]
Funding OrganizationNational Science and Technology Support Program ; Natural Science Foundation of China ; Foundation for Western Young Scholars, Chinese Academy of Sciences
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000458910800027
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49496
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXue, Sha
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
3.Univ Chinese Acad Sci, Inst Coll Nat Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Xu, Hongwei,Qu, Qing,Li, Peng,et al. Stocks and Stoichiometry of Soil Organic Carbon, Total Nitrogen, and Total Phosphorus after Vegetation Restoration in the Loess Hilly Region, China[J]. FORESTS,2019,10(1):14.
APA Xu, Hongwei,Qu, Qing,Li, Peng,Guo, Ziqi,Wulan, Entemake,&Xue, Sha.(2019).Stocks and Stoichiometry of Soil Organic Carbon, Total Nitrogen, and Total Phosphorus after Vegetation Restoration in the Loess Hilly Region, China.FORESTS,10(1),14.
MLA Xu, Hongwei,et al."Stocks and Stoichiometry of Soil Organic Carbon, Total Nitrogen, and Total Phosphorus after Vegetation Restoration in the Loess Hilly Region, China".FORESTS 10.1(2019):14.
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