生态环境学报 ›› 2023, Vol. 32 ›› Issue (7): 1173-1184.DOI: 10.16258/j.cnki.1674-5906.2023.07.001

• 研究论文 •    下一篇

长江经济带市域生态环境质量空间分异与影响因素分析——基于三生空间的土地利用转型

田成诗(), 孙瑞欣*()   

  1. 东北财经大学统计学院,辽宁 大连 116025
  • 收稿日期:2023-02-03 出版日期:2023-07-18 发布日期:2023-09-27
  • 通讯作者: * 孙瑞欣。E-mail: ruixinsunshine@163.com
  • 作者简介:田成诗(1971年生),男,教授,博士,主要研究方向为资源经济学。E-mail: sctian71@163.com
  • 基金资助:
    国家自然科学基金项目(42276231);东北财经大学科研平台建设专项(PT-Z202208);辽宁省教育厅科研项目(LJKMZ20221578)

Spatial Heterogeneity and Its Influential Factors of Eco-environmental Quality in the Yangtze River Economic Belt: Based on Land Use Transformation of Production, Living and Ecological Spaces

TIAN Chengshi(), SUN Ruixin*()   

  1. School of Statistics, Dongbei University of Finance and Economics, Dalian 116025, P. R. China
  • Received:2023-02-03 Online:2023-07-18 Published:2023-09-27

摘要:

随着城镇化和工业化进程加快,长江经济带土地利用主导功能发生较大转变,生产、生活、生态空间(“三生空间”)转型对生态环境质量的影响日益增强,从“三生空间”角度研究长江经济带生态环境质量对于推动长江经济带高质量发展意义重大。基于土地利用遥感监测数据,通过生态环境质量指数模型、地理探测器等方法,定量分析长江经济带130个地级市生态环境质量的空间分异及其影响因素。结果表明,(1)2000-2020年长江经济带生态环境质量处于中等以上,其中2000-2010年生态环境质量等级保持不变,主要有中等和较高质量两种类型;2010-2020年生态环境质量等级发生变化,中等质量区和较高质量区面积减少,高质量区面积增加。(2)生态环境质量空间分布存在明显差异。长江经济带生态环境质量整体呈“东北部低、西部、中部和东南部高”。2000-2010年生态环境质量空间分布一致。2010-2020年多数地区的生态环境质量等级上升,主要趋势为中等质量转化为较高质量、较高质量转化为高质量。(3)不同因子对生态环境质量空间分异的影响程度具有显著差异。土地利用程度、人口密度和坡度对生态环境质量的影响占主导地位,对生态环境质量空间分异的解释力q值分别为0.776、0.409、0.406,其他因子对生态环境质量空间分异的影响相对较弱。(4)任意两因子间的交互作用均大于单因子对生态环境质量空间分异的影响,且土地利用程度与其他因子的结合是影响长江经济带生态环境质量空间分异的最主要因素。

关键词: 长江经济带, 生态环境质量, 空间分异, 地理探测器, 三生空间, 土地利用转型

Abstract:

With the acceleration of urbanization and industrialization, the dominant function of land use in the Yangtze River Economic Belt has changed dramatically, and the transformation of production, living, and ecological spaces (i.e., the three types of spaces) strengthens its influence on the eco-environmental quality. It is of great significance to study the eco-environmental quality in the Yangtze River Economic Belt from the perspective of the three types of spaces, which can promote the high-quality development of the Yangtze River Economic Belt. Based on the land use remote sensing monitoring data of 2000, 2010 and 2020, we quantitatively analyzed the spatial heterogeneity and its influential factors of 130 cities in Yangtze River Economic Belt by applying statistical methods including the index of eco-environmental quality and Geodetector. The empirical results showed that (1) during 2000-2020, the eco-environmental quality of the Yangtze River Economic Belt was above the average level. More specifically, the eco-environmental quality remained unchanged during 2000-2010 and mainly consisted of two types: medium and relatively high quality; from 2010 to 2020, the level of eco-environmental quality changed, with a decrease in the areas of medium and high quality and an increase in the areas of high quality. (2) There are significant differences in the spatial distribution of eco-environmental quality. The overall eco-environmental quality of the Yangtze River Economic Belt showed the trend of low in the northeast and high in the west, central and southeast. The spatial distribution of eco-environmental quality was consistent from 2000 to 2010. From 2010 to 2020, the eco-environmental quality level in most regions increased, with the medium quality transforming into higher quality and comparatively higher quality transforming into high quality. (3) There were significant differences among the driving factors that influenced the spatial heterogeneity of eco-environmental quality. The dominant driving factors included land use, population density, and slope, and the value of q were 0.776, 0.409 and 0.406, respectively, while the influence of other factors were relatively weak. (4) The mutual effects between any two factors were greater than the impact of a single factor on the spatial differentiation of eco-environmental quality, and the combination of land use degree and other factors was the most important factor affecting the spatial differentiation of eco-environmental quality in the Yangtze River Economic Belt.

Key words: Yangtze River Economic Belt, eco-environmental quality, spatial heterogeneity, Geodetector, production-living-ecological spaces, land use transition

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