以长江经济带130个城市作为空间观测单元,以专利申请量作为衡量各城市创新能力的指标,对长江经济带各城市2000~2014年创新能力的空间分布及演化进行分析。研究表明:(1)从时空总体演变来看,长江经济带城市创新能力表现出非常显著的区域差异,且呈现出由渐进式集聚向缓慢扩散的发展趋势。(2)从空间聚类分布来看,长江经济带创新能力较高的城市主要分布在东部的长三角地区和中西部的省会城市地区。(3)从空间分布演变来看,长江经济带城市创新能力表现出显著的空间自相关,空间分布集聚态势增强,但在地理空间的差异上呈现出缩小的趋势,且不同集聚区在不同空间范围上都表现出一定的扩展与收缩态势。(4)城市的经济发展水平、创新主体、创新投入及创新基础设施的差异性,对长江经济带城市创新能力呈现出不均衡的空间分布产生重要影响。
Number of patent applications during 2000-2014 was used as a measure of the ability of innovation in 130 cities in the Yangtze River Economic Belt to analyzed evolution of space distribution of innovation capability. The results showed that:(1)From the temporal evolution of the overall point of view, the Yangtze River Economic Belt city innovation capacity showed a very significant regional differences, with a trend from gradual accumulation to slow proliferation.(2)From the spatial clustering distribution point of view, cities of high innovation capacity are mainly distributed in the eastem Yangtze River Delta region and capital city of the middle-western areas.(3)From the spatial distribution of evolution point of view, the Yangtze River Economic Blet City Innovation Ability band showed significant spatial autocorrelation and spatial distribution of gathering trend reinforced. However, the geospatial overall difference tends were smaller and different concentration areas in different spaces scope showed some expansion and contraction.(4)The differences of economic development level, the main body of innovation, innovation investment and innovation infrastructure of the city have an important influence on the spatial distribution of the innovation capability of the Yangtze River economic belt.