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Mixed artificial grasslands with more roots improved mine soil infiltration capacity
Gao-Lin, Wu1,2; Zheng, Yang1; Zeng, Cui1; Yu, Liu1,2; Nu-Fang, Fang1,2; Zhi-Hua, Shi1,2
2016-04-01
Source PublicationJOURNAL OF HYDROLOGY
ISSN0022-1694
Volume535Pages:54-60
Corresponding AuthorGao-Lin, Wu(gaolinwu@gmail.com) ; Zhi-Hua, Shi(shizhihua70@gmail.com)
AbstractSoil water is one of the critical limiting factors in achieving sustainable revegetation. Soil infiltration capacity plays a vital role in determining the inputs from precipitation and enhancing water storage, which are important for the maintenance and survival of vegetation patches in arid and semi-arid areas. Our study investigated the effects of different artificial grasslands on soil physical properties and soil infiltration capacity. The artificial grasslands were Medicago sativa, Astragalus adsurgens, Agropyron mongolicum, Lespedeza davurica, Bromus inermis, Hedysarum scoparium, A. mongolicum + Artemisia desertorum, A. adsurgens + A. desertorum and M. sativa + B. inermis. The soil infiltration capacity index (SICI), which was based on the average infiltration rate of stage I (AIRSI) and the average infiltration rate of stage III (AIRS III), was higher (indicating that the infiltration capacity was greater) under the artificial grasslands than that of the bare soil. The SICI of the A. adsurgens + A. desertorum grassland had the highest value (1.48) and bare soil (-0.59) had the lowest value. It was evident that artificial grassland could improve soil infiltration capacity. We also used principal component analysis (PCA) to determine that the main factors that affected SICI were the soil water content at a depth of 20 cm (SWC20), the below-ground root biomasses at depths of 10 and 30 cm (BGB10, BGB30), the capillary porosity at a depth of 10 cm (CP10) and the non capillary porosity at a depth of 20 cm (NCP20). Our study suggests that the use of Legume-poaceae mixtures and Legume-shrub mixtures to create grasslands provided an effective ecological restoration approach to improve soil infiltration properties due to their greater root biomasses. Furthermore, soil water content, below-ground root biomass, soil capillary porosity and soil non-capillary porosity were the main factors that affect the soil infiltration capacity. (C) 2016 Elsevier B.V. All rights reserved.
KeywordSoil infiltration capacity Artificial grassland Soil infiltration capacity index (SICI) Soil physical properties
DOI10.1016/j.jhydrol.2016.01.059
WOS KeywordLOESS PLATEAU ; WATER-FLOW ; REVEGETATION ; VEGETATION ; PATTERNS ; CHINA ; CHRONOSEQUENCE ; INFILTRABILITY ; VELOCITY ; DESERT
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China[NSFC41525003] ; Natural Science Foundation of China[41371282] ; Natural Science Foundation of China[41390463] ; Action Plan for West Development Project of CAS[KZCX2-XB3-13] ; Light of West China Program of CAS[XAB2015A04] ; Natural Science Foundation of Shaanxi Province[2014KJXX-15]
Funding OrganizationNatural Science Foundation of China ; Action Plan for West Development Project of CAS ; Light of West China Program of CAS ; Natural Science Foundation of Shaanxi Province
WOS Research AreaEngineering ; Geology ; Water Resources
WOS SubjectEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000373421500005
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/66961
Collection中国科学院地理科学与资源研究所
Corresponding AuthorGao-Lin, Wu; Zhi-Hua, Shi
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Gao-Lin, Wu,Zheng, Yang,Zeng, Cui,et al. Mixed artificial grasslands with more roots improved mine soil infiltration capacity[J]. JOURNAL OF HYDROLOGY,2016,535:54-60.
APA Gao-Lin, Wu,Zheng, Yang,Zeng, Cui,Yu, Liu,Nu-Fang, Fang,&Zhi-Hua, Shi.(2016).Mixed artificial grasslands with more roots improved mine soil infiltration capacity.JOURNAL OF HYDROLOGY,535,54-60.
MLA Gao-Lin, Wu,et al."Mixed artificial grasslands with more roots improved mine soil infiltration capacity".JOURNAL OF HYDROLOGY 535(2016):54-60.
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