Evaluation on the degree and potential of ecological restoration in Loess Plateau

Niu, Linan; Shao, Quanqin; Jia, Ning; YANG, Xue-qing; LIU, Shu-chao; LIU, Guo-bo; ZHANG, Xiong-yi; Huang, Haibo

doi:10.31497/zrzyxb.20230314

Cited by 4 publications

(5 citation statements)

References 16 publications

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“…The quantitative expression and evaluation of LUTs and ecosystem service functions is an important research topic that guides ecological protection planning. From 1975 to 2015, the ESV in the Beiluo River Basin showed an overall upward trend, which is consistent with the findings of other researchers [11,21,50,51]. From 1975 to 1990, the ESV of the Beiluo River Basin increased by USD 1.082 billion, indicating that small-scale soil and water conservation engineering measures, such as small-scale check dams and the dry terraces built in villages and towns in this area, played a positive role in the ER of the Loess Plateau [52,53].…”

Section: Discussionsupporting

confidence: 92%

“…The Tupu analysis revealed that the largest area of conversion occurs between forestland (12, 13) and scrub or grassland, totaling 6480.88 km 2 . Additionally, a substantial area, totaling 8433.12 km 2 , was converted from scrub or grassland to forestland (21,31), which exceeds the conversions of other Tupu units. The conversion from cultivated land to forestland, scrub, or grassland (41,42,43) amounts to 5017.46 km 2 , with 3766.44 km 2 converted to grassland.…”

Section: Analysis Of Land-use Change Tupu Process Between 1975 and 2015mentioning

confidence: 99%

“…SUN Zexing et al evaluated the comprehensive benefits of ER in Shaanxi province [20]. NIU Linan et al evaluated the extent and potential of ER in the Loess Plateau [21]. XUE Fan et al studied the evolution of water and sediment characteristics in different landforms and vegetation types in the Beiluo River Basin over the past 70 years [22].…”

Section: Introductionmentioning

confidence: 99%

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Ecological Restoration in the Loess Plateau, China Necessitates Targeted Management Strategy: Evidence from the Beiluo River Basin

Xing,

Zhang,

Wang

et al. 2023

Forests

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Vegetation on the Loess Plateau, China, has continuously improved thanks to certain ecological restoration (ER) strategies, including the integrated soil conservation project that began in the late 1970s and the “Grain for Green” project that began in the 1990s. The experience of these strategies in different geomorphological regions is of great value to ER worldwide. In this study, the evolution of the land-use transition (LUT) pathway and ecosystem service value (ESV) in four geomorphological regions of the Beiluo River Basin was analyzed using geo-informatic Tupu and the equivalent factor method with data from 1975 to 2015. The results indicated that, from 1975 to 2015, the proportion of forestland in the Beiluo River basin increased by 18.27%, while the areas of shrub, grassland, cultivated land, and water decreased by 1.03%, 0.16%, 18.23%, and 0.26%, respectively. In the past 40 years, the overall ESV of the basin increased by USD 3.209 billion (54.16%). The landform, vegetation cover, LUT, and ESV analysis indicated that the main ecological functions of the loess hilly and gully (LHG), loess plateau gully (LPG), rocky mountain (RM), and terrace and plain (TP) regions are soil and water conservation (SWC), SWC and food production, regulation and food production, respectively. ER projects enhanced the main ecological function of individual regions. In detail, the transition of “cultivated land → grassland” enhanced SWC function in the LHG region, and the transition of “grassland (shrub) → forestland” enhanced the regulating services of the RM and LPG regions. Moreover, the transition of “cultivated land to grassland” did not seriously lower the food production services of the TP and LPG regions, owing to the increase in grain yield per unit area. However, there were alternating transitions between cultivated land and ecological land types, implying a game between the peasant households’ demands and the ER strategies. Conflicting demands between local households and the public necessitate precision ER strategies, including land planning, ecological compensation, training and employment for local residents, etc.

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Section: Discussionsupporting

confidence: 92%

Section: Analysis Of Land-use Change Tupu Process Between 1975 and 2015mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ecological Restoration in the Loess Plateau, China Necessitates Targeted Management Strategy: Evidence from the Beiluo River Basin

Xing,

Zhang,

Wang

et al. 2023

Forests

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“…Energy, the chemical industry, and other fields have developed rapidly. The industrial system based on coal, oil, and natural gas has built the main engine of economic and social development [ 63 , 64 ]. The middle and upper reaches of the Beiluo River are home to numerous chemical industries, steel mills, and refineries, and oil production and transportation is one of the most important economic activities in the region [ 65 , 66 ].…”

Section: Discussionmentioning

confidence: 99%

Distribution, Sources, and Risk Assessment of Organochlorine Pesticides in Water from Beiluo River, Loess Plateau, China

Guo¹,

Chen

et al. 2023

Toxics

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The Loess Plateau has been a focus of public discussion and environmental concerns over the past three decades. In this study, in order to investigate the effect of OCP pollution in water of the Beiluo River, concentrations of 25 OCPs at 17 locations in the water were examined. The results showed that the concentration of ∑OCPs in the water ranged from 1.76 to 32.57 ng L−1, with an average concentration of 7.23 ng L−1. Compared with other basins in China and abroad, the OCP content in the Beiluo River was at a medium level. Hexachlorocyclohexane (HCH) pollution in the Beiluo River was mainly from the mixed input of lindane and technical HCHs. Dichlorodiphenyltrichloroethane (DDT) pollution was mainly from the mixed input of technical DDTs and dicofol. Most of the OCP pollution came from historical residues. The risk assessment results showed that hexachlorobenzene (HCB) and endosulfan had high ecological risks in the middle and lower reaches of the Beiluo River. Most residual OCPs were not sufficient to pose carcinogenic and non-carcinogenic health risks to humans. The results of this study can provide a reference for OCP prevention and control and watershed environmental management.

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“…China has always attached great importance to the ecological management of the LP, adopting a series of ecological projects such as Grain for Green. These ecological projects have achieved a great deal of success, which led to a great change in the ecological quality of the original degraded ecosystem [22]. In order to better consolidate the existing restoration achievements and help the regional ecosystem to develop sustainably in the future, a correct understanding of the characteristics of ESs and their relationships on the LP is particularly important for enhancing ecological conservation in the region [23].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Temporal and Spatial Dynamics of Ecosystem Services and Trade-Offs/Synergies during Urbanization in the Loess Plateau, China

Liu,

Wang,

Tang

et al. 2023

Land

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As a typical ecological fragile zone and an area with a high intensity of human activities, the Loess Plateau (LP) of China has significantly altered its ecosystem and the corresponding services under the influence of urbanization processes. However, most existing studies focus on the spatial and temporal changes of ecosystem services (ESs) and their interrelationships under the influence of ecological restoration works in the LP, leaving limited research on the impacts of urbanization on ESs. Therefore, this study constructed a research framework for exploring the spatio-temporal dynamics and interactions of ESs under the influence of urbanization based on time series data from 2000 to 2020. The results showed that: (1) based on the comprehensive urbanization level (CUL), developed and developing areas accounted for 5.63% of the total area; (2) for the whole LP, all ESs except Habitat Quality (HQ) showed an increased trend. HQ showed a trade-off with the other services, while there was a clear synergy between the other three types of services; (3) in terms of processes of urbanization, Carbon Sequestration, Water Yield and HQ gradually decreased with increased levels of urbanization, and Soil Conservation increased the least in developing areas. The trade-off between HQ and the other three services decreased with increasing urbanization, while the synergy between the other three services strengthened as urbanization deepened. These findings suggest that urbanization significantly impacts ESs. It is necessary to implement appropriate measures (e.g., sponge city construction, urban green space, etc.) to address the impacts of urbanization on ESs.

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Evaluation on the degree and potential of ecological restoration in Loess Plateau

Cited by 4 publications

References 16 publications

Ecological Restoration in the Loess Plateau, China Necessitates Targeted Management Strategy: Evidence from the Beiluo River Basin

Ecological Restoration in the Loess Plateau, China Necessitates Targeted Management Strategy: Evidence from the Beiluo River Basin

Distribution, Sources, and Risk Assessment of Organochlorine Pesticides in Water from Beiluo River, Loess Plateau, China

Analysis of Temporal and Spatial Dynamics of Ecosystem Services and Trade-Offs/Synergies during Urbanization in the Loess Plateau, China

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