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作 者:孙春花 丁皓达 SUN Chun-hua;DING Hao-da(College of Statistics and Mathematics,Inner Mongolia University of Finance and Economics,Hohhot 010070,China)
机构地区:[1]内蒙古财经大学统计与数学学院,内蒙古呼和浩特010070
出 处:《数学的实践与认识》2022年第11期46-55,共10页Mathematics in Practice and Theory
基 金:国家社科基金西部项目“‘两山’理论实践视角下民族省区生态环境质量多维测度与点‘绿’成金能力提升策略研究”(20XMZ090)。
摘 要:“绿水青山就是金山银山”是我国建设生态文明的理论指导、转变经济增长方式的方向指引.通过离散化处理Lotka-Volterra模型来简化系数估测问题,构建指标体系与选择熵值法来完成区域经济增长程度与生态绿色发展水平全面刻画与绿色发展模式评价,最后基于前面结果测算经济与生态系统竞争系数及协调度系数,纵向辨析与探究民族省区经济系统与生态系统共生、竞争与博弈过程及协调程度,结果显示:1)各民族省区经济系统与生态系统发展差异显著.2) 7个民族省区处于浅度、灰度绿色模式.3)宁夏、新疆的经济与生态系统处于共处阶段,西藏、广西、贵州与青海的生态系统在竞争中占优,内蒙古与云南的经济系统在竞争中占优.4)内蒙古、西藏、广西、贵州、青海与云南的经济系统与生态系统协调性较高,虽然经济系统与生态系统相互竞争中一方处于优势地位,但两系统能够相互促进;宁夏、新疆的协调性较差,目前还属于单方面抑制的共处阶段.The conclusion that lucid waters and lush mountains are invaluable assets is a theoretical guide to construct ecological civilization in China,a directional show to transform economic growth mode.Firstly,this paper simplifies the coefficient estimation problem by discretization of Lotka-Volterra model.Secondly,the index system and entropy value method are constructed to complete the comprehensivedescription of regional economic growth degree andecological green development level and the evaluation of green development model.Finally,we calculated the coefficient of economic and ecological competi-tion and coefficient of coordination degree based on the previous results,differ-entiated and explored ahout symbiosis,competition and game process and coordi-nation degree of the ecology and economics in ethnic provinces and regions.The results showed that:1) It show significant differences between economic system and ecological system.2) 7 ethnic minority provinces and autonomous regions belong to the light green or gray green development mode.3) The eco-nomic system and ecological system is in the stage of coexistences in Ningxia and Xinjiang,while ecological system in Tibet,Guangxi,Guizhou,Qinghai are better than economic system,the economic systems of Inner Mongolia and Yunnan show some advantage of ecological system.4) The coordination between economic system and ecological system in Inner Mongolia,Tibet,Guangxi,Guizhou,Qinghai and Yunnan is more suitable.Although one of them is in the dominantposition in the competition,the two systems can promote each other.But the coordination of Ningxia and Xinjiang is poor,and they still belong to the coexistence stage of one-sidedness inhibition.
关 键 词:“两山”理论 LOTKA-VOLTERRA模型 共生竞争关系 协调度
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