Evolution characteristics and interaction mechanism of human-earth relationships in the Qinling-Daba Mountain Areas: A case study of three cities in Southern Shaanxi

Zhang Xinrong; Dong Yuyu; Liu Yansui; Yuan Xuefeng

doi:10.16152/j.cnki.xdxbzr.2026-04-003

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Evolution characteristics and interaction mechanism of human-earth relationships in the Qinling-Daba Mountain Areas: A case study of three cities in Southern Shaanxi

Human-earth system science | 更新时间：2026-07-27

- Evolution characteristics and interaction mechanism of human-earth relationships in the Qinling-Daba Mountain Areas: A case study of three cities in Southern Shaanxi
- Journal of Northwest University (Natural Science Edition) Vol. 56, Issue 4, Pages: 699-714(2026)
- 作者机构：
  
  1.西安建筑科技大学　陕西省新型城镇化和人居环境研究院，陕西　西安　710055
  2.西安建筑科技大学　建筑学院，陕西　西安　710055
  3.河南大学　地理科学与工程学部，河南　郑州　450046
  4.长安大学　陕西省土地整治重点实验室，陕西　西安　710054
- 作者简介：
- 基金信息：
- DOI：10.16152/j.cnki.xdxbzr.2026-04-003
  CLC： K901
- Received：15 January 2026，
  
  Revised：2026-01-28，
  
  Published：25 August 2026
- 稿件说明：
移动端阅览
Zhang Xinrong, Dong Yuyu, Liu Yansui, et al. Evolution characteristics and interaction mechanism of human-earth relationships in the Qinling-Daba Mountain Areas: A case study of three cities in Southern Shaanxi[J]. Journal of Northwest University (Natural Science Edition), 2026, 56(4): 699-714.
DOI：

Zhang Xinrong, Dong Yuyu, Liu Yansui, et al. Evolution characteristics and interaction mechanism of human-earth relationships in the Qinling-Daba Mountain Areas: A case study of three cities in Southern Shaanxi[J]. Journal of Northwest University (Natural Science Edition), 2026, 56(4): 699-714. DOI： 10.16152/j.cnki.xdxbzr.2026-04-003.

摘要

秦巴山区作为中国的战略要地、生态高地和经济洼地，其水土流失严重、地质灾害频发、土地过度开发等问题严重，人地关系矛盾突出。该研究借助遥感和地理空间等数据，利用耦合协调度和地理加权回归模型（GWR）等方法，探究陕南秦巴山区人地关系的时空演变规律，揭示其交互作用机理。结果表明：2000—2020年陕南秦巴山区人口呈现往中心城区集聚的特征，98%区域植被覆盖呈增加趋势，耕地面积缩减了4 103.06 km

，主要转移为林地、建设用地和草地。60%以上区域人类活动为低强度等级，而70%以上区域自然环境为好和极好等级。人地系统耦合度和协调度均呈现河谷盆地及中心城区高，南北起伏山区低的分布格局，低度耦合和严重失调面积呈扩张趋势，而较高耦合和濒临失调面积呈缩减趋势。人地关系交互作用存在明显的时间动态性和空间异质性，自然指标与耕地面积占比的相关程度逐年减轻，而与建设用地面积占比的相关程度逐年增强。仅产水量和气温在70%以上区域对人类活动强度影响为正向，其余人地系统交互作用均在50%以上区域为负向效应。研究结果可为陕南地区生态保护与经济高质量发展

提供决策支持。

Abstract

As a strategically significant location

ecological highland

and economically underdeveloped area in China

the Qinling-Daba Mountain is characterized by pronounced contradictions in human-earth relationships

manifested in severe soil erosion

frequent geological disasters

excessive land exploitation. Based on remote sensing and geospatial data

this study employed the coupling coordination degree and the geographically weighted regression (GWR) model to explore the spatio-temporal evolution and interaction mechanism of human-earth relationships in the Qinling-Daba Mountain areas of Southern Shaanxi. Results indicated that the population tended to concentrate in central urban areas

and vegetation coverage increased by 98% of the region. During this period

cropland decreased by 4 103.06 km

primarily converted into forest land

construction land

and grassland. Over 60% of the study area presented low human activity intensity

while region with higher and high natural environment index accounted for more than 75%. The coupling degree and coordination degree of the human-earth relationships exhibited a spatial distribution characterized by higher values in river valley basins and central urban areas

and lower values in the undulating mountainous regions to the north and south. There was an observable expansion in areas with low coupling and severe incoordination

while areas with higher coupling and mild incoordination showed a shrinking trend. The human-earth interaction exhibited significant temporal dynamics and spatial heterogeneity. The correlation between natural indicators and the proportion of cropland gradually declined over time

while the correlation with the proportion of construction land steadily strengthened. Only water yield and temperature were positively influenced by human activity intensity in regions exceeding 70%

whereas the remaining interaction relationships within the human-earth system were

negatively impacted in areas above 50%. The findings of this study could offer valuable decision-making support for ecological conservation and high-quality economic development in Southern Shaanxi.

关键词

Keywords

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Related Author

ZHANG Xinrong

DONG Yuyu

LIU Yansui

YUAN Xuefeng

Related Institution

The Research Institute of New Urbanization and Human Settlement in Shaanxi Province， Xi’an University of Architecture and Technology

College of Architecture， Xi’an University of Architecture and Technology

Faculty of Geographical Science and Engineering， Henan University

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