Constancy and Variation of Pile Dwelling in Nujiang Canyon
Based on the viewpoint of"constancy and variation"put forward by Amos Rapoport,this paper explores a kind of framework for understanding and researching vernacular dwelling.Though analysis of the common characteristics and regional difference to the pile dwelling at Nujiang Canyon in Northwest Yunnan,it summarizes the constancy that does not change because of nationality and region difference in the canyon region,and it also summarizes the variability of residential houses at the middle reaches of Nujiang River,the upstream of Nujiang River and the Dulong River valley.It is considered through research that the constancy in the residential houses at Nujiang canyon embody the inherent value cognition,lifestyle as well as ceremony and culture of the minority nationalities near Nujiang,identifies and respects that kind of constancy,i.e.,looking for invariability in change and looking for commonalities in diversity,that is conductive to in-depth understanding of the complicated relationship among building,environment,culture and society,so as to provide important basis for the retention of local heritage,and it also provides valuable theoretical guidance for future architectural design and heritage protection.