Dynamic evaluation of the ecological evolution and quality of arid and semi-arid deserts in the Aibugai River Basin based on an improved remote sensing ecological index

Zhang, Haobin; Ma, Chao; Liu, Pei

doi:10.1016/j.ecoinf.2024.102727

Ecological Informatics

2024

DOI: 10.1016/j.ecoinf.2024.102727

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Dynamic evaluation of the ecological evolution and quality of arid and semi-arid deserts in the Aibugai River Basin based on an improved remote sensing ecological index

Haobin Zhang,

Chao Ma,

Pei Liu

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Cited by 3 publications

References 35 publications

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Ecological assessment and driver analysis of high vegetation cover areas based on new remote sensing index

Zhang,

Jia,

et al. 2024

Ecological Informatics

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Ecological assessment and driver analysis of high vegetation cover areas based on new remote sensing index

Zhang,

Jia,

et al. 2024

Ecological Informatics

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Application of a Modified Ecological Quality Monitoring Method in the Southeastern Hilly Region of China

Huang,

Fu,

Sha

et al. 2024

Remote Sensing

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The southeastern hilly region of China is ecologically significant but highly vulnerable to climate change and human activities. This study developed a Modified Remote Sensing Ecological Index (MRSEI) using satellite imagery and Human Footprint data to assess ecological quality across 14 cities surrounding the Wuyi Mountains. We applied Sen’s slope analysis, the Mann–Kendall test, and spatial autocorrelation to evaluate spatiotemporal ecological changes from 2000 to 2020, and used partial correlation analysis to explore the drivers of these changes. The main findings are as follows: (1) Ecological quality generally improved over the study period, with significant year-to-year fluctuations. The eastern region, characterized by higher altitudes, consistently exhibited better ecological quality than the western region. The area of low-quality ecological zones significantly decreased, while Ji’an, Ganzhou, Heyuan, and Meizhou saw the most notable improvements. In contrast, urban areas experienced a marked decline in ecological quality. (2) The region is undergoing warming and wetting trends. Increased precipitation, especially in the western and northern regions, improved ecological quality, except in urban areas, where it heightened flood risks. Rising temperatures had mixed effects: they enhanced ecological quality in high-altitude areas (~516 m) but negatively impacted low-altitude regions (~262 m) due to intensified heat stress. (3) Although industrial restructuring reduced environmental pressure, rapid population growth and urban expansion created new ecological challenges. This study provides an innovative method for the ecological monitoring of hilly regions, effectively integrating human activity and climatic factors into ecological assessments. The findings offer valuable insights for sustainable development and ecological management in similar sensitive regions.

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Land Use Change and Its Impact on the Quality of the Ecological Environment in Xinjiang

Han,

Wu,

Liu

2024

Sustainability

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Xinjiang is a key area for implementing the Belt and Road Initiative, as well as an ecological security barrier in Northwest China. In this study, the remote sensing ecological index (RSEI) was constructed on the basis of the Google Earth Engine (GEE) platform combined with multiperiod (MODIS) remote sensing imagery to analyze the land use changes in Xinjiang and their impacts on the ecological and environmental quality from 2000 to 2023. The results are as follows. (1) The areas of land use changes in Xinjiang are concentrated mainly in the oasis areas around the mountain ranges and the Tarim Basin. (2) The quality of the overall ecological environment of Xinjiang showed an insignificant linear decreasing trend, with an annual rate of change of −0.0009 a−1 (p > 0.05). (3) The spatial distribution of the RSEI in Xinjiang revealed a significant positive spatial correlation and clustering pattern, which was high in the west and low in the east. (4) The increase in the cultivated land area had a positive effect on improving the quality of the ecological environment in Xinjiang. When the cultivated land area increased by 10%, the area of improvement in the quality of the ecological environment increased by 8.8%.

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Dynamic evaluation of the ecological evolution and quality of arid and semi-arid deserts in the Aibugai River Basin based on an improved remote sensing ecological index

Cited by 3 publications

References 35 publications

Ecological assessment and driver analysis of high vegetation cover areas based on new remote sensing index

Ecological assessment and driver analysis of high vegetation cover areas based on new remote sensing index

Application of a Modified Ecological Quality Monitoring Method in the Southeastern Hilly Region of China

Land Use Change and Its Impact on the Quality of the Ecological Environment in Xinjiang

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