the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Ecological restoration and soil improvement performance of the seabuckthorn flexible dam in the Pisha Sandstone area of Northwestern China
F. S. Yang
M. M. Cao
H. E. Li
X. H. Wang
C. F. Bi
Abstract. Soil erosion of the Pisha Sandstone area of Loess Plateau is extremely severe in China. The Pisha Sandstone is very hard when it is dry, while it is very frail when wet. The seabuckthorn flexible dam (SFD), a type of ecological engineering, was proposed to control soil erosion and meliorate soil within the Pisha Sandstone area. To assess its effectiveness and the ecological restoration and soil improvement performance, a field experiment was conducted in this area. We found the strong sediment retention capacity of the SFD is the basis of using it to restore the ecosystem. We compared some certain ecological factors and soil quality between a gully with the SFD and a gully without the SFD, including soil moisture, soil organic matter (SOM), soil nutrients (including Ammonia Nitrogen, available phosphorus and Potassium), vegetation coverage and biodiversity. The results showed that the SFD exhibits excellent performance for ecological restoration and soil improvement of this area. The results are as follows: (i) by the sediment retention action, the deposition commonly occurred in the SFD gully, and the deposition patterns are obviously different from upper to lower gully, (ii) more surprisingly, unlike trees or other shrubs, the seabuckthorn has good horizontal extending capacity by its root system, (iii) soil moisture, SOM, soil nutrients, vegetation coverage and biodiversity in the vegetated gully with the SFD are all markedly increased. The results showed the SFD is both effective and novel biological measure for ecological restoration and soil improvement within the Pisha Sandstone area.
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F. S. Yang et al.


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RC C1201: 'Comments', Anonymous Referee #1, 28 Oct 2014
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RC C1210: 'RC coments to a paper SE_6_2803_2014', Anonymous Referee #2, 30 Oct 2014
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AC C1254: 'Response to the referee#2 and debates on the one's comments', Fangshe Yang, 07 Nov 2014
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AC C1254: 'Response to the referee#2 and debates on the one's comments', Fangshe Yang, 07 Nov 2014


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RC C1201: 'Comments', Anonymous Referee #1, 28 Oct 2014
-
RC C1210: 'RC coments to a paper SE_6_2803_2014', Anonymous Referee #2, 30 Oct 2014
-
AC C1254: 'Response to the referee#2 and debates on the one's comments', Fangshe Yang, 07 Nov 2014
-
AC C1254: 'Response to the referee#2 and debates on the one's comments', Fangshe Yang, 07 Nov 2014
F. S. Yang et al.
F. S. Yang et al.
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Cited
6 citations as recorded by crossref.
- Effects of rainfall intensity, slope angle, and vegetation coverage on the erosion characteristics of Pisha sandstone slopes under simulated rainfall conditions Z. Liang et al. 10.1007/s11356-019-05348-y
- Pisha sandstone: Causes, processes and erosion options for its control and prospects Z. Liang et al. 10.1016/j.iswcr.2018.11.001
- Characteristics of sediment particle size distribution in the Pisha sandstone area of the middle Yellow River under the effects of vegetation and complex erosion P. Zhang et al. 10.1002/esp.5549
- A new ecological control method for Pisha sandstone based on hydrophilic polyurethane Z. Linag et al. 10.1007/s40333-017-0102-7
- Improving the consolidation properties of hydrophilic polyurethane for feldspathic sandstone water erosion prevention Z. Liang et al. 10.1007/s11356-020-08135-2
- Profile distribution of soil moisture response to precipitation on the Pisha sandstone hillslopes of China P. Zhang et al. 10.1038/s41598-020-65829-w