LI Zhi,ZHANG Xiaolin.Spatial Differentiation and Influencing Factors of Eco-Economic Harmony at County Level in Jiangsu Province[J].Research of Soil and Water Conservation,2017,24(06):209-215.
江苏省县域生态经济系统协调度的空间分异及影响因素
- Title:
- Spatial Differentiation and Influencing Factors of Eco-Economic Harmony at County Level in Jiangsu Province
- 分类号:
- F323.2
- 摘要:
- 生态环境和经济社会的协调发展是实现区域可持续发展的必由之路。选取生态环境指标与生态服务指标来评价县域生态系统，选取经济指标和社会指标来评价县域经济系统，并利用模糊数学方法建立生态-经济系统协调度评价模型，揭示了江苏省县域生态-经济系统协调度的空间分异特征及影响因素。结果表明：（1）生态系统呈现出显著的空间集聚特征，高值区集聚分布在江苏省中部地区以及苏南山丘和环太湖地区，低值区集聚分布在苏北东北部地区和沿江地区；（2）经济系统仍旧延续着传统的南北梯度分布格局，但呈现出一种以环太湖地区为经济中心的同心环空间分布特征；（3）生态-经济系统协调度高值区主要位于苏北北部、东部沿海以及苏南山丘等地，低值区集聚分布在环太湖地区以及沿江地带；（4）城镇化率、工业化率、土地开发强度、区位优势度等因素的影响在强度和影响方向上显著不同。研究结果可为优化主体功能布局、完善空间管制政策以及推进生态文明建设提供科学参考。
- Abstract:
- With the rapid development of economy, protection of ecology and environment has become the world consensus nowadays. The harmony between ecological benefits and economic benefits has become an important foundation for regional sustainable development. In this paper, ecological environment and ecosystem services had been taken into account together for the first time, which could help to get more accurate evaluation on ecosystem at county scale. The economic system was evaluated by economic and social indicators. With respect to both the studies of coordinated development of eco-economic system and Jiangsu’s actual situations, evaluation indicators had been chosen and the model of eco-economic harmony had been established. We studied the characters of spatial differentiation of eco-economic harmony degrees in 2010, and analyzed the influencing factors subsequently. Several conclusions were as follows. (1) Ecosystem had the significant features of spatial agglomeration, and the spatial agglomeration degrees were high in the middle part of Jiangsu, and in the surrounding Taihu Lake and in the mountain areas of the south of Jiangsu, low in both the northeastern part of northern Jiangsu and counties along the Yangtze river. (2) Economic system had the typical features of gradient distribution, and developed counties were predominately located in the southern part, and relative backward counties were distributed in the northern part of Jiangsu. Except for that, there appeared a kind of concentric circles structure whose center was the Taihu Lake region within the scope of the Jiangsu Province, and the level of economic development decreased with the increasing distance from the center. (3) The eco-economic harmony (EEH) had the obvious features of spatial heterogeneity, and the EEH degrees were high in the northern part of Jiangsu, at coastal areas, and surrounding the mountain areas of south Jiangsu, low in the areas around Taihu Lake. (4) The analysis of influencing factors indicated that urbanization, industrialization, land development intensity and the road density were the important influencing factors for the differentiation of the eco-economic system, but their effects were of different directions and intensities for the spatial differentiation of the eco-economic harmony. (5) These results can provide a scientific reference for optimizing the regional development pattern, promoting the construction of ecological civilization, and improving policy measures of spatial development control.
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备注/Memo
收稿日期:2016-12-16;改回日期:2017-01-12。
基金项目:国家自然科学基金（41571164；41501187）；江苏省普通高校研究生科研创新计划项目（KYLX16_1273）
作者简介:李智(1989-),男,河北邢台人,博士,从事人文地理与城乡规划研究。E-mail:hnulizhi@163.com