干旱区生态环境知识资源中心(Arid): Ecological Quality Evolution and Its Driving Factors in Yunnan Karst Rocky Desertification Areas

Arid

DOI	10.3390/ijerph192416904
	Ecological Quality Evolution and Its Driving Factors in Yunnan Karst Rocky Desertification Areas
	Zhang, Shiwen; Wang, Yan; Wang, Xuehua; Wu, Yang; Li, Chengrong; Zhang, Chao; Yin, Yuhang
通讯作者	Wang, Y
来源期刊	INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
EISSN	1660-4601
出版年	2022
卷号	19 期号:24
英文摘要	Rocky desertification is a key element affecting regional ecological quality. Rocky desertification in Southwest China directly affects the ecological security of the Yangtze River and Pearl River basins and also restricts regional economic and social development. In order to clarify the evolution laws and key influencing factors of ecological quality in Yunnan karst rocky desertification areas, a quantitative analysis based on the remote sensing-based ecological index (RSEI) model was conducted to explore the overall evolution characteristics and change laws of ecological quality in Yunnan karst rocky desertification areas in the past 30 years. The correlation between RSEI, rock outcrop rate (Fr), and driving factors was determined by redundancy analysis. The results showed the following: (1) RSEI in Yunnan karst rocky desertification areas generally showed a decreasing trend, with a fluctuation in the mid-term, followed by a tendency to recover. It fell into three stages: decline, trough, and recovery, with fitting coefficients of -0.121, -0.057, and 0.157, respectively. In contrast, Fr showed an opposite tendency, illustrating the inverse relationship between RSEI and Fr, and the rate of sequential succession was much faster than that of the reverse succession under human measures of intervention. (2) The mean value of RSEI of Yunnan karst rocky desertification areas was generally lower than that of the total Yunnan Province land areas and Yunnan non-karst rocky desertification areas, but the mean value of Fr was generally more than that of both the above-mentioned areas. In addition, the RSEI and Fr of Yunnan karst rocky desertification areas both showed lower stability values than those of both the above-mentioned areas. This generally suggested a low ecological quality and a high degree of desertification under a low stability in Yunnan karst rocky desertification areas. (3) The correlation of RSEI and Fr with driving factors followed the order of topographic factors, soil factors > water factors > anthropogenic factors. Anthropogenic factors were the driving force changing the state of rocky desertification, geological factors such as topography and soil to a larger extent determined the original macroscopic ecological relationship of rocky desertification, and water factors lay between the above two. The findings of this research will provide theoretical support and a basis for the improvement of ecological quality and comprehensive control of karst rocky desertification in Yunnan Province.
英文关键词	ecological quality evolution karst rocky desertification analysis of driving mechanisms Yunnan karst rocky desertification areas
类型	Article
语种	英语
开放获取类型	gold, Green Published
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000902545800001
WOS关键词	ENVIRONMENT QUALITY ; CHINA ; REGION ; FORCES ; LAND
WOS类目	Environmental Sciences ; Public, Environmental & Occupational Health
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/393180
推荐引用方式 GB/T 7714	Zhang, Shiwen,Wang, Yan,Wang, Xuehua,et al. Ecological Quality Evolution and Its Driving Factors in Yunnan Karst Rocky Desertification Areas[J],2022,19(24).
APA	Zhang, Shiwen.,Wang, Yan.,Wang, Xuehua.,Wu, Yang.,Li, Chengrong.,...&Yin, Yuhang.(2022).Ecological Quality Evolution and Its Driving Factors in Yunnan Karst Rocky Desertification Areas.INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH,19(24).
MLA	Zhang, Shiwen,et al."Ecological Quality Evolution and Its Driving Factors in Yunnan Karst Rocky Desertification Areas".INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 19.24(2022).