Characterizing long-term soil and water erosion and their interactions with various conservation practices in the semi-arid Zulihe basin, Dingxi, Gansu, China

Fu, Zhiyong; Xing, Zisheng; Deng, Juli; Yang, Boyun; Tian, Qing; Rees, H. W.; Badreldin, Nasem

doi:10.1016/j.ecoleng.2017.04.056

Cited by 15 publications

(12 citation statements)

References 15 publications

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“…Although according to Lukić (2013), the planting method in pits is more effective in reducing soil loss in the long term, in term of soil erodibility factor, there is no significant difference between the studied methods of planting. Higher efficiency of gradones in reducing soil loss can be attributed to the effects of terraced land, which significantly contributes to the reduction of the erosion process in the basin, and consequently to reduction of soil loss (Zhang et al, 2017), as well as in the preparation of soil for planting, which creates better conditions for planted seedlings. In a study of Vallauri et al (2002) in a mountainous area, erosion processes have been reduced by 50% by afforestation of degraded areas with black pine trees.…”

Section: Discussion / Diskusijamentioning

confidence: 99%

Effects of Ameliorative Afforestation on the Erodibility Factor and Soil Loss in the Grdelica Gorge

Baumgertel¹,

Lukić²,

Simić³

et al. 2020

GSFUBL

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The paper presents research carried out in the area of Grdelica gorge in 60 years old black pine (Pinusnigra Arnold.) stands. The aim of this study was to determine whether the applied planting method ofameliorative afforestation had an impact on physical and chemical soil properties, soil erodibility andsoil loss. The experimental fields were selected from the afforested areas where soil samples weretaken from fixed depths and then were subjected to physical and chemical laboratory analyses. Thesoil erodibility factor K was calculated using the Wischmeier and Smith formula, whilst, soil loss wasestimated according to Erosion Potential method – EPM by Gavrilović. According to the results of theresearch, in the studied period of 60 years there was a change in the soil physical and chemical properties.There was also a reduction in the soil erodibility factor and soil loss which can be the result ofameliorative afforestation. The afforestation method can affect the reduction of soil losses, while theerodibility factor may be affected indirectly (e.g. by increase in the organic matter content, formingstructural aggregates) not immediately after afforestation, but in a long term period.

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Section: Discussion / Diskusijamentioning

confidence: 99%

Effects of Ameliorative Afforestation on the Erodibility Factor and Soil Loss in the Grdelica Gorge

Baumgertel¹,

Lukić²,

Simić³

et al. 2020

GSFUBL

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“…often high costs, and labor demands. The Anjiagou watershed observatory station in the Loess Plateau, Dingxi, Gansu, China was established in 1953, dedicated to carry out long-term soil and water erosion studies and develop suitable land management practices for the arid and semi-arid area of this region through its unique experimental design and development of conservation practices [35,36].…”

Section: Plos Onementioning

confidence: 99%

“…Anjiagou watershed (104˚38'13"-104˚40'25"E, 35˚33'02"-35˚35'29"N) is located in Anding District, Dingxi City, Gansu Province, China [37]. It is a third-level branch of the Zuli River, which is a first-level tributary of the Yellow River [36], covering a drainage area of 8.5 km 2 with an above sea level (ASL) range of 1914-2231 m. The landform belongs to the fifth subregion of the Loess Hilly and Gully Region. The climate is classified as a mid-temperate semiarid.…”

Section: Study Areamentioning

confidence: 99%

Effectiveness of Chinese pine (Pinus tabulaeformis) plantation at reducing runoff and erosion rates in Anjiagou Watershed in Semi-arid Region of Gansu, China

Tian

Zhang

et al. 2022

PLoS ONE

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China’s Loess Plateau regions have experienced severe soil erosion for many decades due to fragmented landscapes, steep slopes, and concentrated rainfall storm-events. Restoring sub-optimal or marginal farming fields, mostly on steep, hilly terrain, to plantation forests has been a long-standing strategic policy in China aimed at rehabilitating degraded environments and reducing soil and water erosion. While there are numerous studies that have focused on the effects of forests at controlling soil erosion at relatively short time scales, few have addressed longer-term effects of plantation forests on reducing runoff and the mechanisms that inhibit erosion. Chinese pine (Pinus tabulaeformis) has been widely planted in abandoned or reclaimed lands that were formerly farmed in Northwest China; however, there is limited knowledge about the effectiveness of the tree species at reducing soil and water erosion. In this study, we examined reduction rates of runoff and erosion by Chinese pine plantation in comparison with agricultural land as a control (i.e., wheat, a dominant agricultural commodity in the region), based on long-term monitoring of modified standard erosion plots with slopes of 10°, 15°, and 20°. Results showed that as the slope of the land increased, rates of erosion increased for both plantation and agricultural land use. However, the runoff and soil erosion rates under Chinese pine plantation forest were about 11% and 60% lower, respectively, than those under agricultural land use of the same slope. Scaling with the slope, the highest reduced runoff and erosion rates by Chinese pine forest were 17% and 72%, respectively, on 20° slope. Also, it was found that runoff rates from the forested land were positively related to erosive rainfall (i.e., rainfall when runoff generated), and varied with forest canopy coverage. The rates of runoff and erosion can be well model led with multiple regression models. Taken together, this study provides insight into the importance and potential of Chinese pine plantations in the conservation of soil and water in China’s Loess Plateau.

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“…Except for the source area with some freshwater resources, the values of total dissolved solids (TDS) of the groundwater and river water are very high both in the middle and lower reaches and even in the upper area. Extreme shortages of freshwater resources and the relative abundance of brackish water resources have forced locals to use brackish water irrigation for a long time, resulting in serious soil salinization (Zhang, Xing, Zhao, Deng, & Yang, ). In recent years, most groundwater pumped from wells has been used for agriculture, especially halophilic vegetable cultivation, which has increased the usage of brackish water resources and resulted in further ecological deterioration.…”

Section: Utilization Status Of Brackish Water Resourcesmentioning

confidence: 99%

Origin and formation mechanism of salty water in Zuli River catchment of the Yellow River

Liu

Tan

Shi

et al. 2019

Water Environment Research

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The Zuli River is one of the branches of the upper Yellow River, as an inland catchment with semiarid climate in northwestern China, and the formation, evolution, and development of brackish water at such a large scale have remained unclear. This study aims to find clues about the origin and formation mechanism of salty water through multiple methods of hydrochemistry and isotope hydrology. The results show that groundwater is dominantly recharged by precipitation, and the river water was mainly recharged by groundwater discharge. The relatively high tritium content of groundwater (>5.0 TU) clearly suggests the occurrence of a modern recharge and rapid circulation. The dissolution of evaporate minerals, followed by incongruent dissolution of carbonate minerals (dolomite), constituted the main processes controlling groundwater salinization. In addition, the intense evaporation and unreasonable use of fertilizers further increase the TDS of the river, which should be the primary external mechanism of water salinization. • Practitioner points• The authors aimed to find clues about the formation mechanism of salty water in an inland catchment of the Yellow River. • The results of this research shows that the dissolution of dissolved minerals constituted the main processes controlling groundwater salinization. In addition, the intense evaporation and unreasonable use of fertilizers, which should be the primary external mechanism of water salinization. • This work would provide a theoretical basis for government to develop rational utilization of brackish water resources in the study area, which is also significant for understanding the mechanism of water salinization in an inland mountain watershed and even in similar inland watersheds around the world.

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Characterizing long-term soil and water erosion and their interactions with various conservation practices in the semi-arid Zulihe basin, Dingxi, Gansu, China

Cited by 15 publications

References 15 publications

Effects of Ameliorative Afforestation on the Erodibility Factor and Soil Loss in the Grdelica Gorge

Effects of Ameliorative Afforestation on the Erodibility Factor and Soil Loss in the Grdelica Gorge

Effectiveness of Chinese pine (Pinus tabulaeformis) plantation at reducing runoff and erosion rates in Anjiagou Watershed in Semi-arid Region of Gansu, China

Origin and formation mechanism of salty water in Zuli River catchment of the Yellow River

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