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Comparing watershed blacklocust afforestation and naturalrevegetation impacts on soilnitrogen on the Loess Plateauof China
Jin,Z(Jin,Zhao)[1]; Li,XR(Li,Xiangru)[1,2]; Wang,YQ(Wang,Yunqiang)[1]; Wang,Y(Wang,Yi)[1]; Wang,KB(Wang,Kaibo)[1]; Cui,BL(Cui,Buli)[1,3]
2016-01-14
Source PublicationScientific Reportsvolume
Volume6Issue:2016Pages:25048
Subtype期刊论文
Abstract

Two contiguous watersheds in the Loess Plateau in China that differed in the way their vegetation had been restored—afforestation or natural revegetation—differed in their consumption of soil moisture: the afforested watershed consumed more soil moisture, although the difference was significant only in wet years. Yet, both the afforestation and natural revegetation did not induce the soil desiccation in the study area. In the afforested watershed, soil moisture was depleted even beyond a depth of 100 cm, whereas in the grassland (natural revegetation), the depletion was confined to a layer less than 60 cm deep. Rainfall in the growing season accounted for 46–60% of the variation in soil moisture in the 0–60 cm layer in the grassland, but only 22–39% of that in the forest land. Overall, afforestation is the better option for the Loess Plateau only in areas where the annual rainfall is more than 500 mm. In any attempt at revegetation, the choice of tree species and planting densities should match the carrying capacity of the region’s water resources.

DOI10.1038/srep25048
Indexed BySCI
Language英语
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5913
Collection生态环境研究室
Affiliation1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy ofSciences, Xi’an 710061, China;
2.Shaanxi Key Laboratory of Accelerator Mass Spectrometry Technology andApplication, Xi’an AMS Center, Xi’an 710061, China;
3.School of Resources and Environmental Engineering, LudongUniversity, Yantai 264025, China
Recommended Citation
GB/T 7714
Jin,Z,Li,XR,Wang,YQ,et al. Comparing watershed blacklocust afforestation and naturalrevegetation impacts on soilnitrogen on the Loess Plateauof China[J]. Scientific Reportsvolume,2016,6(2016):25048.
APA Jin,Z,Li,XR,Wang,YQ,Wang,Y,Wang,KB,&Cui,BL.(2016).Comparing watershed blacklocust afforestation and naturalrevegetation impacts on soilnitrogen on the Loess Plateauof China.Scientific Reportsvolume,6(2016),25048.
MLA Jin,Z,et al."Comparing watershed blacklocust afforestation and naturalrevegetation impacts on soilnitrogen on the Loess Plateauof China".Scientific Reportsvolume 6.2016(2016):25048.
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