Study on the Correlation Mechanism Between the Spatial Distribution and Ecological Environmental Suitability of Traditional Villages in the Xiangjiang River Basin
Abstract
1. Introduction
2. Study Area and Data Sources
2.1. Overview of the Study Area
2.2. Data Sources and Processing
3. Methods
3.1. Ecological Environmental Suitability Evaluation
3.1.1. Relief Degree of Land Surface
3.1.2. Temperature Humidity Index
3.1.3. Water Resource Index
3.1.4. Land Cover Index
3.1.5. Ecological Environmental Suitability Index
3.2. Kernel Density Analysis
3.3. Correlation Analysis of Ecological Suitability and Traditional Village Distribution
3.3.1. Bivariate Spatial Autocorrelation Results
3.3.2. Geographically Weighted Regression Models
4. Results and Analysis
4.1. Ecological Environmental Suitability Analysis
4.2. Characterization of the Spatial Distribution of Traditional Villages
4.3. Analysis of the Correlation
4.3.1. Relationship Between Traditional Village Density and Ecological Environmental Suitability
4.3.2. Influence of Ecological Environmental Suitability Factors on the Distribution Density of Traditional Villages
- (1)
- Impact of the WRI
- (2)
- Impact of the RDLS
- (3)
- Influence of the LCI
- (4)
- Influence of the THI
5. Discussion
5.1. The Relationship Between the Spatial Distribution of Traditional Villages and Ecological Environmental Suitability
- (1)
- Dynamic changes in history and culture
- (2)
- Economic development and population migration
- (3)
- Ecological protection and policy restrictions
- (4)
- Tourism development and commercialization impact
5.2. Divergent Effects of Ecological Environmental Suitability Factors on the Distribution of Traditional Villages
6. Conclusions
- (1)
- Accelerate the restoration of traditional villages’ natural ecosystems and develop livable, productive, and beautiful rural environments. The natural ecosystem forms the foundational support for the survival of traditional villages; thus, restoring the ecological environment of these areas is essential. In regions with high WRI values, such as Zixing City and Yanling County, flood-control systems and vegetative buffer zones should be established to improve ecological safety. In areas with a high RDLS, such as Guidong County, landslides can be mitigated through stone masonry slope reinforcement and vegetation anchoring. Meanwhile, villages located in the northern plains can implement micro-topographical modifications to enhance water retention during droughts and floods. Simultaneously, efforts should focus on restoring ecological and cultural landscapes to their original forms as much as possible. Ecological protection can be integrated with the adaptive reuse of cultural heritage by developing heritage-based workshops, eco-lodges, and other specialized industries. This approach fosters a sustainable development cycle that connects landscape restoration, cultural experiences, and community participation.
- (2)
- Inherit the wisdom of adaptive technology and realize the contemporary translation of adaptive technology. The wisdom of site selection and the layout of traditional villages reflects the deep understanding and adaptation of local residents to the natural environment. In villages along the upper reaches of the Xiangjiang River, ancient inhabitants designed their homes based on the landscape’s topography, adjusting the indoor temperature and humidity by strategically orienting buildings and incorporating courtyards. Many traditional villages feature well-designed drainage systems to mitigate flood risks, such as ditches and culverts for rainwater runoff. While it is important to preserve the construction wisdom of the past, modern technologies should also be integrated. For instance, the use of advanced thermal insulation materials for building exteriors, the implementation of rainwater and sewage diversion systems, and the adoption of modern ecological farming techniques can help traditional villages adapt to contemporary development while maintaining their cultural heritage.
- (3)
- Implementing a Zoning and Graded Protection Strategy. In Liuyang City, Zhuzhou City, and other low–high agglomeration areas, where traditional villages are sparsely distributed, priority should be given to preserving their original appearance. Based on a high ecological suitability, these scattered villages should undergo “small-scale, incremental” restoration. Additionally, ecotourism can be promoted to convert ecological value into economic benefit. In low–low agglomeration areas, such as Ningxiang City and Lianyuan City, the revitalization of traditional villages can proceed in parallel with ecological restoration. Measures such as clustered conservation and shared infrastructure should be applied to dispersed settlements. For high–low agglomeration zones with fragile ecological conditions and densely clustered villages, such as Jiangyong County and Daocheng County, strict construction boundaries should be delineated. Dual strategies of terrain-based protection and optimized water conservancy infrastructure should be implemented to mitigate soil erosion risks. In core high-concentration areas like Yongxing County and Hengdong County, a composite model of “cultural heritage revitalization and ecological resilience enhancement” is recommended. Public spaces, such as ancestral halls and study halls in traditional villages, can host traditional skills workshops, while local intangible heritage can be developed into experiential tourism products. Simultaneously, the surrounding agricultural land can be adapted to reduce surface runoff and protect village water systems.
- (1)
- Theoretical dimension: The existing model primarily emphasizes natural factors, such as topography, climate, and hydrology, while neglecting socio-cultural elements like population, history, and economic activity. As a result, it fails to capture the nonlinear coupling between natural and human systems.
- (2)
- Data reliability: The resolution of spatial data is constrained by the absence of historical datasets. Positioning inaccuracies of traditional village locations may compromise the precision of kernel density estimation, thereby affecting the quantitative analysis of natural factors. Additionally, rapid climate change and land-use transformations in recent decades have disrupted the human–land relationship in traditional villages. However, due to limited access to long-term historical data, the study is unable to quantitatively assess the evolving influence of natural variables on village development.
- (3)
- Temporal dimension: The study concentrates on the current spatial patterns of existing villages but lacks the dynamic tracking of village decline, disappearance, and potential regeneration over time.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Land-Use Type | Explanation | |
---|---|---|
Woodland | Forestland | Refers to natural and planted forests with >30% canopy density. |
Shrub land | Refers to short woodland and scrub woodland with >40% canopy density and height below 2 m. | |
Open forest land | Refers to forest land with a canopy density of 10–30%. | |
Other wood land | Refers to forest land with a canopy density of 10–30%. | |
Grassland | High-coverage grassland | Refers to natural grassland, improved grassland, and mown grassland with >50% coverage. |
Moderate-coverage grassland | Refers to natural and improved grasslands with >20–50% coverage. | |
Low-coverage grassland | Refers to natural grasslands with 5–20% coverage. | |
Arable land | Paddy field | Refers to arable land with a guaranteed water source and irrigation facilities for the cultivation of aquatic crops. |
Dry land | Refers to cultivated land with no irrigation sources or facilities, where crops are grown with natural water. | |
Water area | Rivers | Refers to land below the perennial level of naturally occurring or artificially excavated rivers and mainstems. |
Lakes | Refers to land below the perennial water level in naturally occurring waterlogged areas. | |
Glaciers and snowfields | Refers to land covered by glaciers and snow all year round. | |
Beach | Refers to the tidal inundation zone between the high- and low-tide levels of the coastal high tide. | |
Bottomland | Refers to the land between the level of the river or lake waters during the flat water period and the level of the water during the flooding period. | |
Construction land | Urban land | Refers to land in large, medium, and small cities and built-up areas above the county town level. |
Rural residential land | Refers to rural settlements that are separate from towns and cities. | |
Other building land | Refers to land used for factories, mines, large industrial zones, oil fields, salt works, quarries, etc., as well as transport roads, airports, and special sites. | |
Unused land | Sandy land | Refers to land with a sandy surface and <5% vegetation coverage. |
Gobi | Refers to land with a surface dominated by gravel and <5% vegetation coverage. | |
Saline–alkali soil | Refers to land where saline accumulates on the surface, vegetation is scarce, and only strongly saline-tolerant plants can grow. | |
Swamp | Refers to flat, low-lying, poorly drained, chronically wet, seasonally waterlogged, or perennially waterlogged land with wet vegetation growing in the surface layer. | |
Bare area | Refers to land with surface soil cover and <5% vegetation coverage. | |
Bare rock and gravel | Refers to land with a rocky or gravelly surface that covers >5% of the land area. | |
Others | Refers to other unused land, including alpine desert, tundra, etc. |
Land Use Type | Weight | |
---|---|---|
Woodland | Forestland | 0.50 |
Shrub land | 0.25 | |
Open forest land | 0.15 | |
Other wood land | 0.10 | |
Grassland | High-coverage grassland | 0.60 |
Moderate-coverage grassland | 0.30 | |
Low-coverage grassland | 0.10 | |
Arable land | Paddy field | 0.60 |
Dry land | 0.40 | |
Water area | Rivers and lakes | 0.40 |
Reservoirs and pits | 0.35 | |
Bottomland | 0.25 | |
Construction land | Urban land | 0.30 |
Rural residential land | 0.40 | |
Other building land | 0.30 | |
Unused land | Bare area | 0.40 |
Bare rock and gravel | 0.40 | |
Others | 0.20 |
Factors | RDLS | THI | WRI | LCI |
---|---|---|---|---|
Correlation coefficient | 0.84 | 0.85 | 0.58 | 0.74 |
Weight | 0.28 | 0.28 | 0.19 | 0.25 |
Variables | Coefficient | Standard Deviation | T-Statistics | p-Value | VIF |
---|---|---|---|---|---|
LCI | 11.5999 | 3.0428 | 3.8122 | 0.0001 * | 1.7350 |
RDLS | 0.8655 | 0.2347 | 3.6878 | 0.0001 * | 1.4401 |
WRI | −6.4482 | 0.9409 | −6.8532 | 0.0000 * | 1.1803 |
THI | 0.0036 | 0.0261 | 0.1397 | 0.8276 | 1.3621 |
Models | R2 | Adjusted R2 | AICc Value |
---|---|---|---|
OLS | 0.15 | 0.14 | 2279.11 |
GWR | 0.21 | 0.19 | 2250.46 |
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He, C.; Chen, W.; Chen, L.; Xu, J. Study on the Correlation Mechanism Between the Spatial Distribution and Ecological Environmental Suitability of Traditional Villages in the Xiangjiang River Basin. Sustainability 2025, 17, 4885. https://doi.org/10.3390/su17114885
He C, Chen W, Chen L, Xu J. Study on the Correlation Mechanism Between the Spatial Distribution and Ecological Environmental Suitability of Traditional Villages in the Xiangjiang River Basin. Sustainability. 2025; 17(11):4885. https://doi.org/10.3390/su17114885
Chicago/Turabian StyleHe, Chuan, Wanqing Chen, Lili Chen, and Jianhe Xu. 2025. "Study on the Correlation Mechanism Between the Spatial Distribution and Ecological Environmental Suitability of Traditional Villages in the Xiangjiang River Basin" Sustainability 17, no. 11: 4885. https://doi.org/10.3390/su17114885
APA StyleHe, C., Chen, W., Chen, L., & Xu, J. (2025). Study on the Correlation Mechanism Between the Spatial Distribution and Ecological Environmental Suitability of Traditional Villages in the Xiangjiang River Basin. Sustainability, 17(11), 4885. https://doi.org/10.3390/su17114885