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Soil organic carbon and total nitrogen storage as affected by land use in a small watershed of the Loess Plateau, China
Zhang, Chao1,2,4; Liu, Guobin1,2,3; Xue, Sha1,2; Sun, Caili3; Liu, GB (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.
SubtypeArticle
2013
Source PublicationEUROPEAN JOURNAL OF SOIL BIOLOGY
ISSN1164-5563
Volume54Pages:16-24
AbstractSoil organic carbon (SOC) is an important component of agricultural soil. Understanding the storage of carbon (C) and nitrogen (N) helps us understand how ecosystems would respond to natural and anthropogenic disturbances under different management strategies. Although the quantity of SOC stocks in the Loess Plateau has been previously investigated, the distribution and storage of C in its deep soil layers has been poorly studied to date. The present study was conducted in the Zhifanggou Watershed on the Loess Plateau to evaluate the effect of the types of land use on the distribution and storage of SOC and total nitrogen (TN) at different soil depths. Ten types of land use were investigated: woodland (Robinia pseudoacacia), shrubland (Caragana korshinskii; Hippophae rhamnoides), natural grassland, artificial grassland (Medicago sativa), orchard, check-dam cropland, terraced cropland (Setaria italica; Zea mays), and sloped cropland. The results show that land use significantly affects the SOC and TN content. The reconversion of sloped croplands into forestlands and grasslands improve their SOC and TN content. Natural grassland, terraced cropland with Z. mays, and the artificial grassland had the highest SOC content within 0-60 cm, 60-100 cm, and 150-500 cm layers, respectively. The SOC and TN content in the top layer were higher than those in the deep layer. Natural grassland had the highest SOC and TN storage within 0-40 cm layer, followed by shrubland I (C. korshinskii), check-dam cropland, woodland, and shrubland II (H. rhamnoides), orchard and artificial grassland, whereas the sloped cropland, and the terraced cropland with S. italica had the lowest values. The SOC and TN storage between the top (0 -20 cm) and deep layers (0-100 cm, 0-300 cm, and 0-500 cm) can be modeled using linear function (y = ax + b). The results suggest that natural grasslands may be the optimal choice for SOC and TN sequestration in the Zhifanggou Watershed. Shrublands, woodland, artificial grasslands, orchards, terrace cropland with Z. mays and check-dam croplands are also recommended for their great contribution to SOC and TN storage in the area. (C) 2012 Elsevier Masson SAS. All rights reserved.
KeywordLand Use Organic Carbon Total Nitrogen Storage Loess Plateau
Subject AreaEnvironmental Sciences & Ecology ; Agriculture
DOI10.1016/j.ejsobi.2012.10.007
Indexed BySCI
Language英语
Funding Project水保所科研产出--SCI_2013--SCI
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEcology ; Soil Science
WOS IDWOS:000313540600003
WOS KeywordNORTHERN CHINA ; SEQUESTRATION ; GRASSLAND ; AFFORESTATION ; FOREST ; ACCUMULATION ; SUCCESSION ; CONVERSION ; FARMLAND ; DYNAMICS
Citation statistics
Cited Times:81[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/7536
Collection水保所科研产出--SCI_2013--SCI
Corresponding AuthorLiu, GB (reprint author), Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China
3.NW A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chao,Liu, Guobin,Xue, Sha,et al. Soil organic carbon and total nitrogen storage as affected by land use in a small watershed of the Loess Plateau, China[J]. EUROPEAN JOURNAL OF SOIL BIOLOGY,2013,54:16-24.
APA Zhang, Chao,Liu, Guobin,Xue, Sha,Sun, Caili,&Liu, GB .(2013).Soil organic carbon and total nitrogen storage as affected by land use in a small watershed of the Loess Plateau, China.EUROPEAN JOURNAL OF SOIL BIOLOGY,54,16-24.
MLA Zhang, Chao,et al."Soil organic carbon and total nitrogen storage as affected by land use in a small watershed of the Loess Plateau, China".EUROPEAN JOURNAL OF SOIL BIOLOGY 54(2013):16-24.
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