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Influence of vegetation restoration on soil physical properties in the Loess Plateau, China
Gu, Chaojun1; Mu, Xingmin1,2; Gao, Peng1,2; Zhao, Guangju1,2; Sun, Wenyi1,2; Tatarko, John3; Tan, Xuejin1
2019-02-01
Source PublicationJOURNAL OF SOILS AND SEDIMENTS
ISSN1439-0108
Volume19Issue:2Pages:716-728
Corresponding AuthorMu, Xingmin(xmmu@ms.iswc.ac.cn)
AbstractPurposeExtensive vegetation recovery has been implemented to control severe soil erosion on the Loess Plateau, China. However, no systematic study has been done on the soil improvement benefit and preferable pattern of vegetation rehabilitation. In this study, the effects of vegetation restoration on soil physical properties at ten sites with different vegetation types and varying restoration periods were investigated.Materials and methodsThe experiment was carried out in the Yanhe river basin in the hilly-gully region of the Loess Plateau. Ten sites, including two replanted arboreal forests for 25 and 35years, three replanted scrubland for 15, 30, and 45years, four secondary natural grassland for 10, 20, 30, and 40years, and one farmland, were selected for soil sampling. Sampling was conducted at 0-20cm and 20-40cm layers.Results and discussionVegetation restoration significantly decreased bulk density, and increased aggregate stability and saturated hydraulic conductivity (Ks), while their effects on porosity was complicated. The soil texture class did not change with vegetation succession, but minor differences in sand, silt, and clay components were observed. Bulk density, macroporosity, and >0.25mm aggregate stability were the principal physical parameters that affected Ks. Moreover, bulk density had the most effect on Ks (-0.84), while >0.25mm aggregate stability had the lowest impact (0.38). Bulk density and Ks were correlated with most of the other soil physical properties. Replanted scrubland and secondary natural grassland had higher soil physical quality index (S-Dexter) than replanted arboreal forests and farmland.ConclusionsIt is reasonable to take bulk density and Ks as the indicators to evaluate the effect of vegetation restoration on soil physical properties. Planting shrubs and grassland is better than forest for eco-environment rehabilitation in the study area. Results of this study provide a reference to regional eco-environmental rehabilitation and conservation.
KeywordBulk density Saturated hydraulic conductivity Soil physical properties Soil quality
DOI10.1007/s11368-018-2083-3
WOS KeywordLAND-USE ; AGGREGATE STABILITY ; HYDRAULIC CONDUCTIVITY ; ORGANIC-MATTER ; SEDIMENT DISCHARGE ; YELLOW-RIVER ; CATCHMENT ; IMPACTS ; QUALITY ; MACROPOROSITY
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41671285] ; National Key Research and Development Program of China[2016YFC0501707] ; National Key Research and Development Program of China[2016YFC0402401]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000457745700018
PublisherSPRINGER HEIDELBERG
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49850
Collection中国科学院地理科学与资源研究所
Corresponding AuthorMu, Xingmin
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
3.USDA ARS, Rangeland Resources & Syst Res Unit, Ft Collins, CO 80522 USA
Recommended Citation
GB/T 7714
Gu, Chaojun,Mu, Xingmin,Gao, Peng,et al. Influence of vegetation restoration on soil physical properties in the Loess Plateau, China[J]. JOURNAL OF SOILS AND SEDIMENTS,2019,19(2):716-728.
APA Gu, Chaojun.,Mu, Xingmin.,Gao, Peng.,Zhao, Guangju.,Sun, Wenyi.,...&Tan, Xuejin.(2019).Influence of vegetation restoration on soil physical properties in the Loess Plateau, China.JOURNAL OF SOILS AND SEDIMENTS,19(2),716-728.
MLA Gu, Chaojun,et al."Influence of vegetation restoration on soil physical properties in the Loess Plateau, China".JOURNAL OF SOILS AND SEDIMENTS 19.2(2019):716-728.
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