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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
发表期刊Scientific Reportsvolume
卷号6期号:2016页码:25048
文章类型期刊论文
摘要

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
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5913
专题生态环境研究室
作者单位1.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
推荐引用方式
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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