干旱区生态环境知识资源中心(Arid): Spatial-temporal changes and driving factors of eco-environmental quality in the Three-North region of China

Arid

DOI	10.1007/s40333-023-0053-0
	Spatial-temporal changes and driving factors of eco-environmental quality in the Three-North region of China
	Long, Yi; Jiang, Fugen; Deng, Muli; Wang, Tianhong; Sun, Hua
通讯作者	Sun, H
来源期刊	JOURNAL OF ARID LAND
ISSN	1674-6767
EISSN	2194-7783
出版年	2023
卷号	15 期号:3 页码:231-252
英文摘要	Eco-environmental quality is a measure of the suitability of the ecological environment for human survival and socioeconomic development. Understanding the spatial-temporal distribution and variation trend of eco-environmental quality is essential for environmental protection and ecological balance. The remote sensing ecological index (RSEI) can quickly and objectively quantify eco-environmental quality and has been extensively utilized in regional ecological environment assessment. In this paper, Moderate Resolution Imaging Spectroradiometer (MODIS) images during the growing period (July-September) from 2000 to 2020 were obtained from the Google Earth Engine (GEE) platform to calculate the RSEI in the three northern regions of China (the Three-North region). The Theil-Sen median trend method combined with the Mann-Kendall test was used to analyze the spatial-temporal variation trend of eco-environmental quality, and the Hurst exponent and the Theil-Sen median trend were superimposed to predict the future evolution trend of eco-environmental quality. In addition, ten variables from two categories of natural and anthropogenic factors were analyzed to determine the drivers of the spatial differentiation of eco-environmental quality by the geographical detector. The results showed that from 2000 to 2020, the RSEI in the Three-North region exhibited obvious regional characteristics: the RSEI values in Northwest China were generally between 0.2 and 0.4; the RSEI values in North China gradually increased from north to south, ranging from 0.2 to 0.8; and the RSEI values in Northeast China were mostly above 0.6. The average RSEI value in the Three-North region increased at an average growth rate of 0.0016/a, showing the spatial distribution characteristics of overall improvement and local degradation in eco-environmental quality, of which the areas with improved, basically stable and degraded eco-environmental quality accounted for 65.39%, 26.82% and 7.79% of the total study area, respectively. The Hurst exponent of the RSEI ranged from 0.20 to 0.76 and the future trend of eco-environmental quality was generally consistent with the trend over the past 21 years. However, the areas exhibiting an improvement trend in eco-environmental quality mainly had weak persistence, and there was a possibility of degradation in eco-environmental quality without strengthening ecological protection. Average relative humidity, accumulated precipitation and land use type were the dominant factors driving the spatial distribution of eco-environmental quality in the Three-North region, and two-factor interaction also had a greater influence on eco-environmental quality than single factors. The explanatory power of meteorological factors on the spatial distribution of eco-environmental quality was stronger than that of topographic factors. The effect of anthropogenic factors (such as population density and land use type) on eco-environmental quality gradually increased over time. This study can serve as a reference to protect the ecological environment in arid and semi-arid regions.
英文关键词	eco-environmental quality remote sensing ecological index Google Earth Engine Hurst exponent geographical detector Three-North region of China
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	SCI-E
WOS记录号	WOS:000935980300001
WOS关键词	ECOLOGICAL QUALITY ; SURFACE-WATER ; URBAN AGGLOMERATION ; VEGETATION DYNAMICS ; INDEX ; AREA
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397176
推荐引用方式 GB/T 7714	Long, Yi,Jiang, Fugen,Deng, Muli,et al. Spatial-temporal changes and driving factors of eco-environmental quality in the Three-North region of China[J],2023,15(3):231-252.
APA	Long, Yi,Jiang, Fugen,Deng, Muli,Wang, Tianhong,&Sun, Hua.(2023).Spatial-temporal changes and driving factors of eco-environmental quality in the Three-North region of China.JOURNAL OF ARID LAND,15(3),231-252.
MLA	Long, Yi,et al."Spatial-temporal changes and driving factors of eco-environmental quality in the Three-North region of China".JOURNAL OF ARID LAND 15.3(2023):231-252.