CHEN Qiangqiang,ZHAO Rongfang.Spatiotemporal Evolution and Influencing Factors of Human-Environment Interaction in the Yellow River Water Catchment Ecological Function Area of Gannan[J].Research of Soil and Water Conservation,2023,30(05):387-396,407.[doi:10.13869/j.cnki.rswc.2023.05.022.]
甘南黄河水源补给生态功能区人地关系协调发展时空演变及影响因素
- Title:
- Spatiotemporal Evolution and Influencing Factors of Human-Environment Interaction in the Yellow River Water Catchment Ecological Function Area of Gannan
- 文章编号:
- 1005-3409(2023)05-0387-10
- 关键词:
- 人地关系; 时空演变; 驱动因素; 地理探测器; 甘南黄河水源补给生态功能区
- Keywords:
- human-environment interaction; temporal and spatial evolution; driving factors; Geodetector; Yellow River water catchment ecological function area of Gannan
- 分类号:
- F301.2
- 文献标志码:
- A
- 摘要:
- [目的]甘南黄河水源补给生态功能区是典型的生态脆弱区,厘清其“人—地”关系及影响因子,对黄河流域生态安全与高质量发展具有重要意义。[方法]运用加权法测评2005—2019年甘南黄河水源补给生态功能区人类活动强度、资源环境承载力及两者关系,采用响应度模型、地理探测器分析人地关系时空变化及影响因素。[结果]2005—2019年,人类活动强度不断增强,资源环境承载力历经了“良好—下降—有限恢复”。人地关系综合状态体现出“中高度宽松—中轻度紧张—中高度紧张”的演变特征,且区域分异明显,牧区、半农半牧区人地关系较农区趋紧。人类活动强度对资源环境承载力的作用效应体现出显著的时空演变特征。时间演变方面,体现为“胁迫效应”减弱—“促进效应”递减—“胁迫效应”增强。空间演变方面,合作市体现出“胁迫效应”减弱向“促进效应”增强变化; 临夏、和政和积石山3县由2015年前的“促进效应”变为“促进效应”减弱; 康乐、临潭、卓尼、玛曲、碌曲和夏河6个县表现出“促进效应”减弱向“胁迫效应”增强。畜牧业发展水平、人口密度和农牧民人均纯收入成为影响人地关系时空演变的主要驱动因素,且因子间的交互作用呈现出非线性增强和双因子增强关系。[结论]甘南黄河水源补给生态功能区人地关系趋于紧张,且空间分异特征明显,未来应重点从区域畜牧业绿色转型与农牧民生计能力提升方面探索实现人地协调与高质量发展。
- Abstract:
- [Objective] The Yellow River water catchment ecological function area of Gannan is a typical ecological environmental fragile area. Quantitative clarification of the human-environment interaction and its influencing factors is of great significance to realize the ecological security and high-quality development of the Yellow River Basin. [Methods] The intensity of human activities, resource and environmental carrying capacity and the relationship between them in the Yellow River water catchment ecological function area in Gannan from 2005 to 2019 were calculated and evaluated by using the linear weight method. And the response model and geographic detector were used to analyze the spatiotemporal evolution and influencing factors of human-environment interaction. [Results] The intensity of human activities continued to increase, the carrying capacity of resources and environment had experienced ‘good-decline-limited recovery' from 2005 to 2019. The comprehensive state of human-environment relationship presented the evolution characteristics of medium-high loose, medium-low tension and medium-high tension, and there were apparent differences between north and south areas. The human-environment relationship in pastoral and semi agricultural and semi pastoral areas was tighter than that in agricultural areas. The effect of the intensity of human activities on the carrying capacity of resources and environment reflected significant characteristics of spatial-temporal evolution. In the temporal evolution, the effect of human activity intensity on the carrying capacity of resources and environment presented ‘stress effect' weakening-‘promotion effect' decreasing-‘stress effect' enhancing. In the spatial evolution, the effect of the intensity of human activities on the carrying capacity of resources and environment in Hezuo city presented the change from ‘stress effect' weakening to ‘promotion effect' strengthening. The effect in Linxia, Hezheng and Jishishan counties had showed from ‘promotion effect' to ‘promotion effect' weakening since 2015, while the effect for the Kangle, Lintan, Zhuoni, Maqu, Luqu and Xiahe counties showed that the ‘promotion effect' weakening to the ‘stress effect' increasing. The development level of animal husbandry, population density and per capita net income of farmers and herdsmen were the main driving factors for the spatiotemporal evolution of human and environment relations, and the interaction between the factors showed a nonlinear enhancement and a two-factor enhancement relationship. [Conclusion] The human-environment interaction in the Yellow River water catchment ecological function area of Gannan was on a tense trend, and there was a obvious spatial heterogeneity. In the future, the green transformation of animal husbandry and the improvement of farmers' livelihood capabilities should be strengthened so as to achieve the human-environment coordination and high-quality development.
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备注/Memo
收稿日期:2022-06-22 修回日期:2022-07-15
资助项目:国家社会科学基金项目“生态理性视域下甘南黄河水源补给区草原生态保护农户认知行为与调适机制研究”(21BJY117)
第一作者:陈强强(1979—),男,甘肃陇西人,硕士,教授,主要从事农业资源经济方面的研究。E-mail:jjglxy666@126.com