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Remote Sensing for Natural Resources    2024, Vol. 36 Issue (1) : 137-145     DOI: 10.6046/zrzyyg.2023081
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Coupled assessment and spatio-temporal evolution analysis of ecosystem health in Fujian Province
CAO Delong1(), TANG Tingyuan2, LIN Zhen1(), XU Zheng2, YAN Xu2
1. Academy of Ecological Civilization, Beijing Forestry University, Beijing 100083, China
2. Beijing Institute of Surveying and Mapping, Beijing 100038, China
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Abstract  

This study aims to explore the origin of the excellent ecology in Fujian Province in the past 15 years. First, a land use intensity system with a five-year time interval was constructed using the 2005—2020 MODIS images and land use data of Fujian as data sources. Then, the coupling relationship between the remote sensing ecological index (RSEI) and land use intensity was analyzed based on a coupled coordination model. Finally, the spatio-temporal evolution analysis was conducted for the ecological health of Fujian from 2005 to 2020. The results show that: ① The ecological environment of Fujian manifested an improvement-degradation-degradation trend, with an average RSEI value of 0.704 8 in 2020, suggesting a sound ecological environment; ② The land use intensity of Fujian displayed an increasing trend, with a growth rate of 26.00%. Most especially, Sanming City demonstrated a maximum increase of 160.91% in land use intensity; ③ The coupled coordination degree of Fujian increased by 0.729 0, suggesting high coordination. All cities in Fujian exhibited increased coupled coordination degrees, except for Xiamen City, where the coupled coordination degree decreased by 0.131 0, implying a slight imbalance. This study fills the gap in the research on the interactions between ecosystem health and land use intensity. It also provides a new perspective for ecological civilization construction and ecosystem health assessment in Fujian and even China.
Keywords Fujian      land use intensity      ecosystem health      coupled coordination     
ZTFLH:  TP79  
Issue Date: 13 March 2024
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Delong CAO
Tingyuan TANG
Zhen LIN
Zheng XU
Xu YAN
Cite this article:   
Delong CAO,Tingyuan TANG,Zhen LIN, et al. Coupled assessment and spatio-temporal evolution analysis of ecosystem health in Fujian Province[J]. Remote Sensing for Natural Resources, 2024, 36(1): 137-145.
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https://www.gtzyyg.com/EN/10.6046/zrzyyg.2023081     OR     https://www.gtzyyg.com/EN/Y2024/V36/I1/137
Fig.1  Map of study area
Fig.2  Flow chart
指标体系 指标 类型 福建省 福州市 厦门市 莆田市 三明市 泉州市 漳州市 南平市 龙岩市 宁德市
土地
利用
结构		 耕地比率 正 0.001 0.065 0.153 0.228 0.120 0.192 0.106 0.125 0.146 0.106
林地比率 正 0.000 0.092 0.068 0.098 0.093 0.096 0.074 0.099 0.087 0.074
草地比率 正 0.012 0.079 0.082 0.080 0.080 0.070 0.103 0.095 0.077 0.103
建设用地比率 正 0.007 0.077 0.074 0.072 0.081 0.075 0.089 0.093 0.083 0.089
土地
投资		 农作物播种面积 正 0.241 0.204 0.141 0.065 0.065 0.068 0.078 0.063 0.070 0.078
固定资产投资 负 0.120 0.079 0.069 0.071 0.075 0.084 0.083 0.096 0.079 0.083
就业人数 正 0.132 0.084 0.076 0.099 0.137 0.065 0.098 0.071 0.067 0.098
土地
利用
效率		 粮食产量 负 0.100 0.063 0.065 0.070 0.107 0.086 0.095 0.111 0.124 0.095
GDP 正 0.135 0.102 0.102 0.089 0.091 0.098 0.114 0.093 0.101 0.114
工业总产值 正 0.123 0.070 0.072 0.062 0.067 0.071 0.074 0.070 0.069 0.074
农业总产值 正 0.130 0.086 0.099 0.067 0.084 0.095 0.087 0.083 0.096 0.087
Tab.1  Fujian municipal land use intensity indicator system
耦合协调度D值区间 协调等级 耦合协调程度
[0.0,0.1) 1 极度失调
[0.1,0.2) 2 严重失调
[0.2,0.3) 3 中度失调
[0.3,0.4) 4 轻度失调
[0.4,0.5) 5 濒临失调
[0.5,0.6) 6 勉强协调
[0.6,0.7) 7 初级协调
[0.7,0.8) 8 中级协调
[0.8,0.9) 9 良好协调
[0.9,1.0] 10 优质协调
Tab.2  Comparison of coupling coordination thresholds
Fig.3  RSEI distribution levels in Fujian Province from 2005 to 2020
地区 2005年 2010年 2015年 2020年
福建省 0.662 4 0.751 6 0.711 5 0.704 8
福州市 0.643 4 0.719 1 0.675 6 0.702 2
厦门市 0.491 0 0.574 9 0.513 9 0.484 9
莆田市 0.695 1 0.776 5 0.731 8 0.710 9
三明市 0.696 9 0.773 7 0.745 0 0.744 6
泉州市 0.581 7 0.688 2 0.645 2 0.633 0
漳州市 0.590 1 0.698 2 0.650 7 0.630 2
南平市 0.705 0 0.782 7 0.740 5 0.732 0
龙岩市 0.669 8 0.777 4 0.741 7 0.725 2
宁德市 0.591 4 0.704 2 0.653 1 0.690 2
Tab.3  Average table of RSEI from 2005 to 2020 in Fujian Province and cities
地区 2005年 2010年 2015年 2020年
福建省 0.428 4 0.438 2 0.535 3 0.539 8
福州市 0.480 8 0.414 9 0.473 9 0.533 1
厦门市 0.486 7 0.506 5 0.425 1 0.543 9
莆田市 0.463 4 0.424 2 0.477 3 0.447 1
三明市 0.256 3 0.418 6 0.637 4 0.668 7
泉州市 0.442 5 0.484 2 0.486 9 0.502 0
漳州市 0.381 6 0.466 1 0.551 1 0.630 4
南平市 0.368 3 0.521 0 0.561 4 0.624 9
龙岩市 0.335 4 0.509 6 0.525 9 0.676 9
宁德市 0.353 3 0.457 8 0.569 5 0.617 7
Tab.4  Land use intensity table for Fujian Province and cities from 2005 to 2020
地区 2005年 2010年 2015年 2020年
耦合度值 耦合协调等级 耦合度值 耦合协调等级 耦合度值 耦合协调等级 耦合度值 耦合协调等级
福建省 0.100 0 严重失调 0.555 0 勉强协调 0.850 0 良好协调 0.829 0 良好协调
福州市 0.273 0 中度失调 0.315 0 轻度失调 0.680 0 初级协调 0.935 0 优质协调
厦门市 0.446 0 濒临失调 0.906 0 优质协调 0.239 0 中度失调 0.315 0 轻度失调
莆田市 0.293 0 中度失调 0.315 0 轻度失调 0.818 0 良好协调 0.542 0 勉强协调
三明市 0.096 0 严重失调 0.791 0 中级协调 0.869 0 良好协调 0.884 0 良好协调
泉州市 0.093 1 严重失调 0.911 0 优质协调 0.815 0 良好协调 0.831 0 良好协调
漳州市 0.097 1 严重失调 0.763 0 中级协调 0.785 0 中级协调 0.780 0 中级协调
南平市 0.091 9 严重失调 0.875 0 良好协调 0.765 0 中级协调 0.767 0 中级协调
龙岩市 0.095 3 严重失调 0.843 0 良好协调 0.780 0 中级协调 0.845 0 良好协调
宁德市 0.099 3 严重失调 0.792 0 中级协调 0.816 0 良好协调 0.963 0 优质协调
Tab.5  Coupling coordination table for Fujian Province and cities from 2005 to 2020
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