Spatial-temporal Evolution of Ecosystem Health and Its Influencing Factors in Beijing-Tianjin-Hebei Region

被引:1
作者
Li K.-M. [1 ,2 ]
Wang X.-Y. [1 ]
Yao L.-L. [3 ]
机构
[1] College of Resources Environment and Tourism, Capital Normal University, Beijing
[2] College of Emergency Management, Institute of Disaster Prevention, Sanhe
[3] International Education College, Beijing Vocational College of Agriculture, Beijing
来源
Huanjing Kexue/Environmental Science | 2024年 / 45卷 / 01期
关键词
Beijing-Tianjin-Hebei Region; ecosystem health; geographical detector; GWR model; influencing factor; spatial-temporal evolution;
D O I
10.13227/j.hjkx.202301077
中图分类号
X17 [环境生物学];
学科分类号
071012 ; 0713 ;
摘要
Exploring ecosystem health and its influencing factors is of great significance for promoting regional sustainable development. An ecosystem health assessment model was constructed,and the spatial-temporal evolution characteristics of ecosystem health in the Beijing-Tianjin-Hebei Region in 2000,2010,and 2020 were analyzed. The geographical detector and GWR were used to identify the dominant factors affecting ecosystem health. The main conclusions were as follows:during the study period,the index of ecosystem natural health in the Beijing-Tianjin-Hebei Region was generally better in the north and west than that in the southeast,and it showed an overall upward trend. The index of ecosystem services in the Beijing-Tianjin-Hebei Region presented as a spatial differentiation pattern of high in the north and low in the south,and it showed a downward trend. The ecosystem health level in the Beijing-Tianjin-Hebei Region showed a trend of rising first and then declining,showing significant heterogeneity in spatial distribution. The ecological health level in the central urban area of large cities was mostly poor,and the ecosystem health level in the Yanshan and Taihang Mountains and Bohai Rim was better. During the study period,the spatial pattern of ecosystem health in the Beijing-Tianjin-Hebei Region remained relatively stable. The hot spots and sub-hot spots were mainly distributed in the northern mountainous areas of Hebei Province and the Taihang Mountains,and the cold spots and sub-cold spots were mainly distributed in the southeast plain and the surrounding areas of some big cities. Population density,annual average temperature,per capita cultivated land area,and urbanization level were the dominant factors of ecosystem health in the Beijing-Tianjin-Hebei Region,and they were all negatively correlated with ecosystem health. © 2024 Science Press. All rights reserved.
引用
收藏
页码:218 / 227
页数:9
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