InVEST model-based analysis of spatiotemporal evolution characteristics of habitat quality in the ecological green integrated demonstration area, Yangtze River Delta
ZHAO Qiang1(), WANG Tianjiu2(), WANG Tao3, CHENG Sudan4
1. Faculty of Environmental and Surveying Engineering, Suzhou University, Suzhou 234000, China 2. Kunyu Mountain Forest Farm, Yantai 264112, China 3. Shaoxing Natural Resources and Planning Bureau Shangyu Branch, Shaoxing 312300, China 4. Hangzhou Geotechnical Engineering & Surveying Research Institute Limited Company, Hangzhou 310012,China
Assessing regional habitat quality holds great significance for maintaining regional biodiversity, enhancing human well-being, and achieving regional sustainable development. Based on the land use data of 2000, 2010, and 2020, this study analyzed the spatiotemporal characteristics of the habitat quality in the ecological green integrated demonstration area in the Yangtze River Delta using the InVEST model and the habitat quality index method. Furthermore, this study explored the relationship between regional habitat quality and land use. Key findings are as follows: ① From 2000 to 2020, the study area exhibited moderate habitat quality, with the habitat quality index trending downward and the habitat degradation gradually mitigating. Regarding the districts and counties in this area, Qingpu District of Shanghai, Wujiang District of Suzhou, Jiangsu, and Jiashan County of Jiaxing, Zhejiang (the two districts and one county) showed a downward trend in the habitat quality from 2000 to 2010. In contrast, from 2010 to 2020, Qingpu District and Jiashan County exhibited improved habitat quality, while Wujiang District still maintained a downward trend in the habitat quality; ② From 2000 to 2020, the study area primarily featured moderate habitat, with major land types including cultivated land and grassland. During this period, the water and wetland areas in the north and center, respectively exhibited the highest habitat quality, while the construction land in the study area displayed poor and inferior habitat; ③ There is a strong correlation between the habitat quality and land use structure in the study area. Specifically, areas with more intense changes in land use feature more significant variations in habitat quality. The results of this study will provide a reference for biodiversity conservation and land use management in the study area.
Qiang ZHAO,Tianjiu WANG,Tao WANG, et al. InVEST model-based analysis of spatiotemporal evolution characteristics of habitat quality in the ecological green integrated demonstration area, Yangtze River Delta[J]. Remote Sensing for Natural Resources,
2024, 36(3): 187-195.
Fig.1 Location of ecological green integrated demonstration area in Yangtze River Delta
威胁因子
最大影响距离/km
权重
衰退类型
耕地
0.5
0.2
线性
建设用地
5.0
0.5
指数
Tab.1 Threat factors and weights of research area
土地利用类型
生境适宜度
敏感度
耕地
建设用地
耕地
0.3
0.0
0.5
林地
1.0
0.4
0.6
草地
0.7
0.3
0.4
湿地
1.0
0.4
0.5
水域
0.9
0.6
0.7
建设用地
0.0
0.0
0.0
Tab.2 Appropriateness of life realm and its sensitivity to different thveat factors
乡级行政区
2000年
2010年
2020年
乡级行政区
2000年
2010年
2020年
白鹤镇
0.540
0.512
0.505
天凝镇
0.560
0.579
0.606
华新镇
0.460
0.405
0.336
干窑镇
0.572
0.558
0.598
重固镇
0.553
0.522
0.518
魏塘街道
0.517
0.454
0.491
香花桥街道
0.548
0.426
0.384
惠民街道
0.542
0.467
0.475
徐泾镇
0.449
0.340
0.286
罗星街道
0.543
0.459
0.420
赵巷镇
0.534
0.482
0.418
大云镇
0.553
0.517
0.514
夏阳街道
0.515
0.526
0.523
黎里镇
0.906
0.876
0.876
盈浦街道
0.532
0.484
0.374
同里镇
0.838
0.795
0.665
太湖新城镇
0.947
0.953
0.818
朱家角镇
0.866
0.865
0.956
金泽镇
0.840
0.806
0.855
平望镇
0.796
0.786
0.774
练塘镇
0.577
0.632
0.693
盛泽镇
0.610
0.547
0.517
西塘镇
0.606
0.625
0.600
震泽镇
0.687
0.599
0.639
姚庄镇
0.640
0.677
0.651
七都镇
0.733
0.695
0.925
陶庄镇
0.722
0.786
0.841
桃源镇
0.543
0.512
0.545
Tab.3 Average value of habitat quality index of all township-level divisions in ecological green integrated demonstration area in Yangtze River Delta from 2000 to 2020
Fig.2 Spatial distribution of habitat quality of ecological green integrated demonstration area in Yangtze River Delta
Fig.3 Grade schematic diagram of habitat quality of all township-level divisions in ecological green integrated demonstration area in Yangtze River Delta in 2000, 2010 and 2020
Fig.4 Land use changes of ecological green integrated demonstration area in Yangtze River Delta in 2000, 2010 and 2020
年份
指标
耕地
林地
草地
湿地
水域
建设用地
2000年
面积/km2
1 589.75
0.00
0.05
0.26
542.75
267.78
2010年
面积/km2
1 407.73
0.05
0.74
0.72
541.71
449.61
2020年
面积/km2
1 147.12
29.40
13.27
0.10
555.72
654.96
2000—2010年
面积变化量/km2
-182.02
0.05
0.69
0.45
-1.04
181.83
动态度/%
-1.14
—
138.00
17.30
-0.02
6.79
2010—2020年
面积变化量/km2
-260.61
29.36
12.53
-0.62
14.01
205.35
动态度/%
-1.85
—
169.00
-8.61
0.25
7.66
2000—2020年
面积变化量/km2
- 442.63
29.40
13.22
-0.16
12.97
387.18
动态度/%
-1.39
—
1 322.00
-3.07
0.12
7.22
Tab.4 Land use changes of ecological green integrated demonstration area in Yangtze River Delta from 2000 to 2020
Fig.5 Diagram of land use type changes in 2000, 2010 and 2020
乡级 行政区
2000— 2010年
2010— 2020年
乡级 行政区
2000— 2010年
2010— 2020年
白鹤镇
2.50
0.17
天凝镇
0.42
3.78
华新镇
3.27
3.94
干窑镇
2.76
2.48
重固镇
3.32
0.22
魏塘街道
3.70
2.28
香花桥街道
6.39
2.27
惠民街道
4.30
3.12
徐泾镇
5.25
5.67
罗星街道
4.78
3.48
赵巷镇
5.22
4.14
大云镇
2.08
2.76
夏阳街道
3.77
1.13
黎里镇
0.62
2.14
盈浦街道
3.46
3.97
同里镇
2.09
3.07
太湖新城镇
1.36
2.79
朱家角镇
0.49
2.53
金泽镇
0.13
1.19
平望镇
0.25
2.07
练塘镇
2.67
1.36
盛泽镇
1.80
4.44
西塘镇
0.39
0.76
震泽镇
1.70
4.42
姚庄镇
2.61
0.67
七都镇
0.79
6.79
陶庄镇
1.14
1.58
桃源镇
0.64
1.87
Tab.5 Dynamic degree with comprehensive land use of township-level divisions(%)
时间段
2000—2010年
2010—2020年
Pearson相关系数
0.750**①
0.461*
Tab.6 Correlation of changes between land use and habitat quality
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