Effect of different vegetation restoration types on fundamental parameters, structural characteristics and the soil quality index of artificial soil

Li, Ruirui; Kan, Shasha; Zhu, Meili; Chen, Jiao; Ai, Xiaoyan; Chen, Zhaoqiong; Zhang, Jianjing; Ai, Yingwei

doi:10.1016/j.still.2018.06.010

Cited by 57 publications

(31 citation statements)

References 64 publications

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“…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 . Fractal dimension ( D m ) was used to describe the distribution of soil particles 44 , the equation were as follow: where is the mean particle diameter (mm) of the i th size class, that is, the arithmetic mean of the upper and lower sieve sizes; is the mean diameter (mm) of the largest size class ; W is the cumulative weight (g) of the particles with diameters of less than ; W T is the total weight (g) of the particles.…”

Section: Methodsmentioning

confidence: 99%

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: Methodsmentioning

confidence: 99%

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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“…The benefits of vegetation restoration evaluated by the value of the difference between vegetation restoration and the corresponding farmland has similar results to those of direct value responses, recent relevant studies, such as Yang et al (2017) reported that SOC and TN in natural reserve were higher than that in economic forests (Zenia insignis, Toona sinensis and orchard); Tang et al (2015) found that natural successional plant communities had higher soil fertility parameters, such as SOC, AN, AP and AK, as compared with Pinus plantations; Pang et al (2019) proved that forest natural regeneration was more effective on SOC sequestration than Pinus and Eucalyptus plantation. These findings can be explained by the fact that less human disturbance and higher soil nutrients input supplied by dead wood and leaf litter in natural recovery community (Li et al, 2018b;Shen et al, 2020). In contrast, Eucalyptus robusta, Prunus salicina and Juglans regia-crop have limited influence on soil improvement mainly resulted by their fast growing and high output that would accelerate absorption of soil nutrients (Laclau et al, 2005;Zhang et al, 2015;Macdonald et al, 2019).…”

Section: Analysis Of the Effects Of Different Vegetation Restoration mentioning

confidence: 99%

Effects of vegetation restoration on soil quality in fragile karst ecosystems of southwest China

Guan

Fan

2020

PeerJ

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Soil quality assessment is important for karst ecosystems where soil erosion is significant. A large amount of vegetation restoration has been implemented since the early 21st century in degraded karst areas across southwestern China. However, the impacts on soil quality of different restoration types rarely have been compared systematically. In the current study, we investigated the soil quality after a number of vegetation restoration projects as well as their adjacent cropland by analyzing soil samples. Six vegetation restoration types were evaluated, including one natural restoration (natural shrubland, protected for 13 years), three economic forests (4 years Eucalyptus robusta, 4 years Prunus salicina and 6 years Zenia insignis) and two mixed forests (1 year Juglans regia–crop and 13 years Toona sinensis-Pennisetum purpureum ). We evaluated the benefits of different restoration types more accurately by setting each adjacent cropland as the control and setting the variation between the corresponding restored and control site as the evaluation object so that the background differences of six sites could be eliminated. The results indicated that natural shrubland, Toona sinensis-Pennisetum purpureum and Zenia insignis were effective in improving soil quality index (SQI) in degraded karst cropland largely due to their higher SOC and TN content. The variation of SQI (VSQI) of natural shrubland was significantly higher than that in Eucalyptus robusta, Prunus salicina and Juglans regia-crop in total soil layer (0–30 cm) (P < 0.05), indicating natural shrubland had better capacity to improve soil quality. The boosting regression tree model revealed that vegetation restoration type explained 73.49% and restoration time explained 10.30% of the variation in VSQI, which confirmed that vegetation restoration type and restoration time are critical for achieving soil reserves. Therefore, it is vital to select appropriate vegetation type in restoration projects and recovery for a long time in order to achieve better soil quality. The current study provides a theoretical basis on which to assess the effects of different vegetation restoration types on the heterogeneous degraded karst areas.

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“…The soil samples were air-dried after removing the gravel, soil animals and plant debris and breaking the large fractions. The air-dried soil sample was ground and then passed through 20-mesh (0.9 mm) and 100-mesh (0.15 mm) nylon sieves, respectively (Li et al, 2018). The processed samples were preserved for the determination of soil organic carbon (SOC), total nitrogen (TN) and total phosphorus (TP).…”

Section: Vegetation Measurements Soil Sampling and Analysismentioning

confidence: 99%

Soil carbon, nitrogen and phosphorus ecological stoichiometry shifts with tree species in subalpine plantations

Pang

Yang

et al. 2020

PeerJ

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Understanding ecological stoichiometric characteristics of soil nutrient elements, such as carbon (C), nitrogen (N) and phosphorus (P) is crucial to guide ecological restoration of plantations in ecologically vulnerable areas, such as alpine and subalpine regions. However, there has been only a few related studies, and thus whether and how different tree species would affect soil C:N:P ecological stoichiometry remains unclear. We compared soil C:N:P ecological stoichiometry of Pinus tabulaeformis, Larix kaempferi and Cercidiphyllum japonicum to primary shrubland in a subalpine region. We observed strong tree-specific and depth-dependent effects on soil C:N:P stoichiometry in subalpine plantations. In general, the C:N, C:P and N:P of topsoil (0–10 cm) are higher than subsoil (>10 cm) layer at 0–30 cm depth profiles. The differences in C:N, N:P and C:P at the topsoil across target tree species were significantly linked to standing litter stock, tree biomass/total aboveground biomass and Margalef’s index of plant community, respectively, whereas the observed variations of C:N, N:P and C:P ratio among soil profiles are closely related to differences in soil bulk density, soil moisture, the quantity and quality of aboveground litter inputs as well as underground fine root across plantations examined. Our results highlight that soil nutrients in plantation depend on litter quantity and quality of selected tree species as well as soil physical attributes. Therefore, matching site with trees is crucial to enhance ecological functioning in degraded regions resulting from human activity.

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Effect of different vegetation restoration types on fundamental parameters, structural characteristics and the soil quality index of artificial soil

Cited by 57 publications

References 64 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

Effects of vegetation restoration on soil quality in fragile karst ecosystems of southwest China

Soil carbon, nitrogen and phosphorus ecological stoichiometry shifts with tree species in subalpine plantations

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