Abstract
In order to conserve and rearrange urban environmental conditions at district level with the paticipation of it's residents, it is necessary to get informations through surveys of conciousness of the people and catch their needs and elaborate the rational and efficient plans to meet their requirements. Ohta word area in Tokyo was selected as an exmple of this study and basic informations of residents' appraisal for the environmental conditions through questionnaire including appraisal in total and in each 17 sub items such as air polution noise, etc., together with related data on physical and socio-economic conditions of each sub di,strict were collected. Brief results of quantitative analysis in basic structures of appraisal for their living environment are as follows. (1) Factors of physical and socio-economic indicators of the area are much more contributive than that of household indicators given by face sheet data of the questionnaire against total evalution value. (2) Spatial structure of residents' appraisal for environmental conditions at district level consists of the three sub levels as 4-5 blocks, one sub district, 2-3 sub districts or one district and people are giving their appraisal to major environmental items such as air polution, noise, disaster, green, and traffic safety, in sub district level. (3) Contributive order of every appraisal item was clarified according to each six catagories of district.
