Effects of different backfill soils on artificial soil quality for cut slope revegetation: Soil structure, soil erosion, moisture retention and soil C stock

Chen, Zhaoqiong; Luo, Ruihong; Huang, Zhiyu; Tu, Weiguo; Jiao, Chen; Li, Wei; Chen, Shunan; Xiao, Jingyao; Ai, Yingwei

doi:10.1016/j.ecoleng.2015.05.048

Cited by 24 publications

(12 citation statements)

References 42 publications

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“…The pH showed slight differences between the two contrasting topographic aspects, with a comparatively lower value in the north-facing slopes. Some soil nutrients and enzyme activities, such as soil organic carbon (SOC), available nitrogen (AN), available phosphorus (AP), available potassium (AK), protease, urease, sucrase, and catalase, are also usually considered as indicators of soil quality 2 , 16 , 45 , 46 . The data of these properties in all rock-cut slopes under the two railway lines are shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The particle size distribution (PSD) (<0.002, 0.002–0.005, 0.005–0.02, 0.02–0.05, 0.05–0.25, and 0.25–2 mm) was measured using the pipette method after the removal of organic matter using hydrogen peroxide and heat treatments, with sodium hydroxide as the dispersing agent 16 . Soil texture class [clay content (<0.002 mm), silt content (0.002–0.02 mm), and sand content (0.02–2 mm)] was identified by using the International Society of Soil Science (ISSS) soil texture classification system 5 , 42 , 43 .…”

Section: Methodsmentioning

confidence: 99%

“…Plant richness and diversity have been used as indicators in the vegetation restoration assessment of ecologically reconstituted areas 16 . The evaluation of vegetation canopy cover is also important because only high vegetation coverage can effectively play the role of protecting slope surfaces 30 .…”

Section: Introductionmentioning

confidence: 99%

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Topographic aspect affects the vegetation restoration and artificial soil quality of rock-cut slopes restored by external-soil spray seeding

Zhang

Yang

et al. 2018

Sci Rep

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External-soil spray seeding (ESSS), a technique of spraying artificial soil materials onto bare slopes for vegetation cover construction, has been widely used to restore rock-cut slopes. However, studies on the effect of the practical application of this technique on different topographic aspects have been rarely performed. In this study, two topographic aspects, namely, north-facing versus south-facing, were investigated under two railway lines, and two local natural slopes (north-facing versus south-facing) were selected as references. Vegetation and soil conditions, which are paramount aspects of ecological restoration assessment, were characterized in terms of the richness and diversity indices, vegetation canopy cover, basic soil physico-chemical properties, and structural characteristics of these slopes. Results showed that (1) the topographic aspect significantly affected the vegetation restoration and artificial soil quality of rock-cut slopes restored by ESSS; (2) the ecological restoration effect of north-facing slopes were better than that of south-facing slopes; and (3) the vegetation and soil conditions of natural slopes were better than those of rock-cut slopes. Therefore, additional scientific management measures should be implemented to promote the ecological restoration of rock-cut slopes, especially for south-facing slopes.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Topographic aspect affects the vegetation restoration and artificial soil quality of rock-cut slopes restored by external-soil spray seeding

Zhang

Yang

et al. 2018

Sci Rep

Self Cite

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“…Thus, soil becomes exposed and subject to an increasing runoff that promotes its erosion (Chen et al 2015). The erosion of rail embankments can result in a washing out of sediments (Jin et al 2008) that cause water pollution.…”

Section: Soil Erosion and Changes In Hydrologymentioning

confidence: 99%

Railway Disturbances on Wildlife: Types, Effects, and Mitigation Measures

2017

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In this chapter, we review the level of disturbance caused by railways due to noise and vibration, air, soil and water pollution, and soil erosion. There is evidence that soil and hydrology contamination may affect vegetation and aquatic fauna while noise can affect terrestrial vertebrates. In fact, noise, light, and vibration due to railways have been observed to reduce the abundance and richness of some insects, amphibians, and birds, and to cause avoidance behaviour on predators. Interestingly, reptiles, some bird species, small mammals, and large mammals seem to ignore rail traffic and benefit from the vegetation planted in the railway verges that provide food and shelter. Some engineering structures have been implemented to reduce the effects of railway disturbance: rail fastenings, rail dampers, under-sleeper pads, and noise barriers are applied to minimize noise and vibration; washing with water and cleaning the ballast are used to mitigate soil pollution; and grass plantation, the use of gypsum and application of compost/mulch coverage, are applied to control soil erosion.

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“…For example, some researchers [9][10][11][12][13][14] have analyzed the basic mechanical properties and influence factors for natural-grade gravel material mixed with a small amount of cemented rock and found that cemented rock-fill has both the properties and characteristics of concrete. Chen et al [15] analyzed the effect of soil structure, soil erosion, and moisture retention; the result indicated that the type of backfill soil affects the quality of the artificial soil significantly. Kara and Baykara [16] investigated the characteristics of three neighboring soils from the NE of Turkey and elucidated the effect of different land-use management on the soil aggregate stability and microbial biomass in Galyan-Atasu dam watershed.…”

Section: Research Status In China and Elsewherementioning

confidence: 99%

An Analysis of the Mechanical Characteristics and Constitutive Relation of Cemented Mercury Slag

Zhang

et al. 2017

Advances in Materials Science and Engineering

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This study focuses on mercury slag in the Tongren area of Guizhou Province, China. Computed tomography (CT) is used with uniaxial and triaxial compression tests to examine the mechanical changes in cemented mercury slag and its formation. The CT results for the uniaxial compression test reveal the overall failure process of the mercury slag structure. Based on the coarse-grained soil triaxial test, a modified Duncan-Chang model is compared with the actual monitoring results and is found to be suitable for the analysis of the slag constitutive model.

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Effects of different backfill soils on artificial soil quality for cut slope revegetation: Soil structure, soil erosion, moisture retention and soil C stock

Cited by 24 publications

References 42 publications

Topographic aspect affects the vegetation restoration and artificial soil quality of rock-cut slopes restored by external-soil spray seeding

Topographic aspect affects the vegetation restoration and artificial soil quality of rock-cut slopes restored by external-soil spray seeding

Railway Disturbances on Wildlife: Types, Effects, and Mitigation Measures

An Analysis of the Mechanical Characteristics and Constitutive Relation of Cemented Mercury Slag

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