根据经验正交函数(EOF)方法,对1978-2010年我国苹果生产布局变迁的时空演变规律进行了分析。结果表明,改革开放30多年来,我国苹果生产布局区域集中程度的提高和西移北扩的趋势是一个以沿海向内地转移为主、以环渤海向西北黄土高原转移为次的两种力量作用的时空演变过程。
According to EOF method, this paper analyses temporal-spatial distribution and change of the apple distribution in China from 1978 to 2010. We find two regulations: (1)The main trend is concentration of the apple distribution in China increases and the apple distribution in China move westwardly and northwardly. (2)The secondary trend of the apple distribution in China is transfer from Bohai bay to northwest loess plateau.