%0 Journal Article %A GUI Yan-li %T The Background and Development of the Space Form of Ancient City in Northeast China %D 2010 %R 10.13249/j.cnki.sgs.2010.01.8 %J SCIENTIA GEOGRAPHICA SINICA %P 8-14 %V 30 %N 1 %X Through the study on morphological characteristics of urban space during different historical periods,we found that the spatial distribution of the ancient cities in Northeast China showed the characters of intermittent, unbalanced, geographical isolated and different in space form because of the regional specificity. Affected by geographic conditions, cultural, ethnic factors, social system and socio-economic patterns, Northeast China city has developed a unique regional system. %U http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.2010.01.8