Urban spatial expansion and its impacts on ecosystem service value of typical oasis cities around Tarim Basin, northwest China

Maimaiti, Bumairiyemu; Chen, Shuisen; Kasimu, Alimujiang; Simayi, Zibibula; Aierken, Nuermaimaiti

doi:10.1016/j.jag.2021.102554

Cited by 26 publications

(23 citation statements)

References 16 publications

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“…We also referred to the arid region of Northwest China, one of the three major natural zones in China. Additionally, we used precipitation data from 1990 to 2021 with a spatial resolution of 1 km from the Tibetan Plateau Data Centre (http://data.tpdc.ac.cn/) to identify the 400 mm precipitation line in China [12,37]. Then, we finally selected four provincial capital cities in arid regions of China (Urumqi, Lanzhou, Yinchuan, and Hohhot) within the arid region (figure 1).…”

Section: Study Areamentioning

confidence: 99%

“…Long-term raster data series [8][9][10] are conducive to researching the response of vegetation to urban environmental changes against the background of urbanization. This is important for a correct understanding of the impact of urbanization in arid regions and local environmental improvement [7,11,12].…”

Section: Introductionmentioning

confidence: 99%

“…Especially in oasis cities, the distribution and growth changes of vegetation are constrained by local natural and human conditions [31][32][33]. And, coarse data will neglect spatial details in narrow and small oasis regions, emphasizing that it is necessary to use fine-resolution data for arid urban research [10,12].…”

Section: Introductionmentioning

confidence: 99%

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Positive impact of urbanization on vegetation growth has been continuously strengthening in arid regions of China

Li,

Cui,

Liu

et al. 2023

Environ. Res. Lett.

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The ecological environment is fragile in arid regions, and the direct and indirect impacts of continuing urbanization on vegetation growth in cities still need to be studied in depth. In this study, we focused on four provincial capital cities (Urumqi, Lanzhou, Yinchuan, and Hohhot) in arid regions of China. We used continuous 30 m land cover and vegetation greenness (VG) data from 1990 to 2021 to extract the impact of urbanization on vegetation growth by separating the impact of natural conditions. Our results showed that the study area’s urban area (UA) had expanded rapidly at a rate of 39.2 km2/a, increasing by 3.39 times between 1990 and 2021. While urban expansion occurred rapidly, the overall VG of the study area also increased (slope = 2.16 × 10−3), with the enhancement of VG increasing gradually from west to east. The VG and its trend in the UA were significantly higher than those in the natural vegetation area (NA). In addition, the duration of the urban vegetation growth season was longer than that of the NA, which also confirmed the positive impact of urbanization on the vegetation growth period. Furthermore, we found that the positive impact of urbanization on vegetation had continuously strengthened over time. In 1990 and 2021, the VG areas had 83% and 87% above the ‘zero-impact line’ in the UA, respectively, indicating a very significant impact of urbanization on vegetation growth in arid regions with fragile natural conditions. Our study identified the long-term dynamic trends in urbanization and VG in arid regions and clarified the non-linear relationship between the two concurrent growth factors. This has significant implications for correctly understanding the impact of urbanization on vegetation in arid regions and can provide a scientific reference for the ecological construction of urban environments in the region.

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Section: Study Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Positive impact of urbanization on vegetation growth has been continuously strengthening in arid regions of China

Li,

Cui,

Liu

et al. 2023

Environ. Res. Lett.

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“…In addition to applications in the construction industry, biomineralization was also employed in environmental protection applications, such as desert solidification and removal of harmful metals. Desert expansion and resulting loss of farmland is a worldwide problem, requiring widely applicable solutions [77]. Although numerous chemical approaches have been proposed for desert sand stabilization, the costs and labor intensity still need to be reduced in view of the vastness of desert areas.…”

Section: Environmental Applicationsmentioning

confidence: 99%

Biomineralization Induced by Cells of Sporosarcina pasteurii: Mechanisms, Applications and Challenges

Wu¹,

Li²,

Li³

2021

Microorganisms

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Biomineralization has emerged as a novel and eco-friendly technology for artificial mineral formation utilizing the metabolism of organisms. Due to its highly efficient urea degradation ability, Sporosarcina pasteurii(S. pasteurii) is arguably the most widely investigated organism in ureolytic biomineralization studies, with wide potential application in construction and environmental protection. In emerging, large-scale commercial engineering applications, attention was also paid to practical challenges and issues. In this review, we summarize the features of S. pasteurii cells contributing to the biomineralization reaction, aiming to reveal the mechanism of artificial mineral formation catalyzed by bacterial cells. Progress in the application of this technology in construction and environmental protection is discussed separately. Furthermore, the urgent challenges and issues in large-scale application are also discussed, along with potential solutions. We aim to offer new ideas to researchers working on the mechanisms, applications and challenges of biomineralization.

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“…However, the monetary assessment is based on a subjective value coefficient that ignores the social development of various regions in different times, resulting in some limitations of this evaluation method. As a result, ESV should be revised in this study to produce more accurate ESV that is more in accordance with the actual situation [9,12].…”

Section: Introductionmentioning

confidence: 99%

Spatial-Temporal Dynamic Evaluation of Ecosystem Service Value and Its Driving Mechanisms in China

Wei

Zhao

Cheng

et al. 2022

Land

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Understanding the spatial differentiation and driving mechanisms of ecosystem service value (ESV) is helpful for the protection and sustainable development of the ecological environment. Despite the fact that various studies on ESV have been conducted in various regions, few studies have discussed the spatial differentiation characteristics of ESV in a long time series at a national scale, and even fewer studies have thoroughly examined the driving mechanism of the spatial differentiation of ESV from the perspective of different regions. On the basis of China’s land use data from 1990 to 2018, this paper used the methods of land use dynamics, the ESV evaluation model, hot spot analysis, the barycenter model, and the geographical detector model to study the temporal and spatial differentiation characteristics of land use and ESV in the study area. Moreover, it analyzes the driving mechanisms of the spatial differentiation of ESV at the national scale and in different regions of China. Our results showed the following: (1) Other land types have increased overall, with the exception of grassland. Obvious differences were observed in the single land use dynamics of each land type, especially the construction land, where farmland was the primary source of construction land. With the passage of time, the dynamic degree of comprehensive land use increased. (2) During the study period, ESV generally showed a decreasing trend, with distinct characteristics in high and low ESV areas. The center of gravity of ESV was constantly in Dingxi County and Pingliang City, Shaanxi Province, and its trajectory was generally “S”-shaped. (3) From the perspective of national scale and different regions, the dominant factors affecting the spatial differentiation of ESV were different, and the interaction among multiple factors was significantly stronger than that of a single factor. The findings of the study can provide more scientific decision-making services for China in order to promote regional environmental protection and develop ecological civilization.

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Urban spatial expansion and its impacts on ecosystem service value of typical oasis cities around Tarim Basin, northwest China

Cited by 26 publications

References 16 publications

Positive impact of urbanization on vegetation growth has been continuously strengthening in arid regions of China

Positive impact of urbanization on vegetation growth has been continuously strengthening in arid regions of China

Biomineralization Induced by Cells of Sporosarcina pasteurii: Mechanisms, Applications and Challenges

Spatial-Temporal Dynamic Evaluation of Ecosystem Service Value and Its Driving Mechanisms in China

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