Spatiotemporal Differentiation Characteristics of Land Ecological Quality and Its Obstacle Factors in the Typical Compound Area of Mine Agriculture Urban
Abstract
:1. Introduction
2. Data and Methods
2.1. Overview of the Study Zone
2.2. Data Sources
2.2.1. Basic Geographic Data
2.2.2. Remote Sensing Image Data
2.2.3. Soil Physicochemical Property and Pollution Data
2.3. Research Methods
2.3.1. Construction of the Evaluation Index System of Land Ecological Quality
2.3.2. Land Ecological Quality Index Acquisition Based on Remote Sensing and GIS
- (1)
- Ecological foundation index acquisition
- ①
- Data collection and laboratory determination of soil samples
- ②
- Spatial distribution data acquisition of soil organic matter content based on remote sensing retrieval
- ③
- Effective soil thickness
- ④
- Topographic position index
- ⑤
- Vegetation cover
- ⑥
- NPP
- (2)
- Acquisition of ecological structure indicators
- ①
- Methods for acquiring land-use data
- ②
- Landscape index analysis method
- ③
- Land-use structure index
- (3)
- Ecosystem service value
- (4)
- Ecological stress index
- ①
- Comprehensive soil pollution index
- ②
- Damaged land proportion
- ③
- Disturbance index of industrial and mining land
2.3.3. Evaluation Method of Land Ecological Quality
- (1)
- Determining the Evaluation Unit of Land Ecological Quality
- (2)
- Determining the Evaluation Model of Land Ecological Quality
- (3)
- Standardizing the Evaluation Index of Land Ecological Quality
- (4)
- Determining the Weight of the Evaluation Index of Land Ecological Quality
2.3.4. Spatial Correlation Analysis of Land Ecological Quality Index
2.3.5. Diagnosing and Analyzing the Obstacle Factors of Land Ecological Quality
3. Results
3.1. Spatiotemporal Differentiation of Distribution Characteristics of Land Ecological Quality Grades
3.2. Analysis on the Change of Average Land Ecological Quality Index in the Study Zone and Various Mining Fields
3.3. Spatiotemporal Differentiation of the Correlation Characteristics of Land Ecological Quality
3.4. Spatiotemporal Changes of Obstacle Factors of Land Ecological Quality
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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ID | Mine Name | ID | Mine Name | ID | Mine Name |
---|---|---|---|---|---|
1 | **aoma Mine | 2 | Zhongma Mine | 3 | Fengying Mine |
4 | Hanwang Mine | 5 | Yanma Mine | 6 | Fangzhuang No.1 Mine |
7 | Jiulishan Mine | 8 | Baizhuang Mine | 9 | Fangzhuang No.2 Mine |
10 | Guhanshan Mine |
Criterion Layer (Weight) | Index Layer (Weight) | Attribute |
---|---|---|
Ecological foundation (0.3509) | Soil organic matter content (0.1093) | + |
Effective soil thickness (0.1093) | + | |
Topographic position index (0.3689) | − | |
Vegetation coverage (0.2063) | + | |
Net primary productivity (NPP) (0.2063) | + | |
Ecological structure (0.1891) | Land-use structure index (0.4488) | + |
Landscape aggregation index (0.0819) | − | |
Landscape dominance index (0.2346) | − | |
Landscape diversity index (0.2346) | + | |
Ecological benefit (0.1091) | Ecosystem service value (1) | + |
Ecological stress (0.3509) | Comprehensive soil pollution index (0.2809) | − |
Damaged land proportion (0.3546) | − | |
Disturbance index of industrial and mining land (0.3546) | − |
Matrix Order | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
---|---|---|---|---|---|---|---|---|
RI | 0 | 0 | 0.58 | 0.90 | 1.12 | 1.24 | 1.32 | 1.41 |
Moran’s I/Z | 1980 | 1990 | 2000 | 2010 | 2020 |
---|---|---|---|---|---|
Moran’s I | 0.40 | 0.41 | 0.25 | 0.45 | 0.38 |
Z(I) | 5.62 | 5.77 | 3.49 | 6.38 | 4.39 |
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Wang, X.; Liu, W.; Zhang, H.; Lu, F. Spatiotemporal Differentiation Characteristics of Land Ecological Quality and Its Obstacle Factors in the Typical Compound Area of Mine Agriculture Urban. Sustainability 2022, 14, 10427. https://doi.org/10.3390/su141610427
Wang X, Liu W, Zhang H, Lu F. Spatiotemporal Differentiation Characteristics of Land Ecological Quality and Its Obstacle Factors in the Typical Compound Area of Mine Agriculture Urban. Sustainability. 2022; 14(16):10427. https://doi.org/10.3390/su141610427
Chicago/Turabian StyleWang, **nchuang, Wenkai Liu, Hebing Zhang, and Fenglian Lu. 2022. "Spatiotemporal Differentiation Characteristics of Land Ecological Quality and Its Obstacle Factors in the Typical Compound Area of Mine Agriculture Urban" Sustainability 14, no. 16: 10427. https://doi.org/10.3390/su141610427