中国陆海经济发展水平及相互作用机制研究

Research on the development and interaction mechanism of terrestrial and marine economy in China

探究陆海经济关联性及其相互作用机制对实现陆海统筹具有重要意义。以中国沿海11省区市为研究区,运用核密度估计、地理探测器等方法对2006—2017年陆海经济发展演变过程及其相互影响过程进行探讨。研究发现:(1)沿海区域陆海经济整体呈正向发展态势,但海洋经济仍落后于陆域经济发展水平;(2)沿海区域海洋经济正逐渐形成具有健全产业结构的独立经济体系,但其对陆域产业影响程度仍弱于陆域产业对海洋产业的带动作用;(3)空间上看,陆海产业相互作用排序为:北部经济圈>南部经济圈>东部经济圈。未来仍应以陆域经济为重心,优化沿海经济圈产业布局,加强沿海经济圈对内陆经济辐射效应;(4)陆海产业之间已形成良好联动作用机制,尤其是陆域第二产业、第三产业和海洋第三产业之间交互影响强烈,其作用机制可归纳为资源交换型、产业链型、动态互助型三种。

Exploring the economic relevance and interaction mechanism between land and sea is of great significance to the realization of land and sea coordination.Taking 11 coastal provinces and cities of China as the research area,this paper uses kernel density estimation,geodetector and other methods to discuss the development and evolution of terrestrial and marine economy and its interaction process from 2006 to 2017.It is found that:(1)The terrestrial and marine economy in coastal areas shows a positive development trend as a whole,but the marine economy still lags behind the level of terrestrial economic development.(2)The marine economy in coastal areas is gradually forming an independent economic system with a sound industrial structure,but its impact on terrestrial industries is still weaker than the role of terrestrial industries in driving marine industries.(3)Spatially,the order of interaction between terrestrial and marine industries is:northern economic circle>southern economic circle>eastern economic circle.It is suggested to still focus on the terrestrial economy in the future,while optimizing the industrial layout of the coastal economic circle,and strengthening the impact of the coastal economic circle on the inland.(4)A positive linkage is formed between terrestrial and marine industries,especially the strong interaction between terrestrial secondary and tertiary industries and marine tertiary industries.The interaction mechanism between terrestrial and marine industries can be summarized into three types:resource exchange,industrial chain,and dynamic mutual assistance.