Abstract:

Annual variations on collected amount of percapita municipal solid waste (MSW) in Taihu Lake Basin as well as the influencing factors were analyzed in this study.The selected influencing factors were the family size，age distribution of residents，and household consumption expenditure.From 2002~2007，the collected amount of percapita MSW in shanghai city increased from 3.77 million tons to 791 million tons，which was almost doubled (〖WTBX〗P〖WTBZ〗<0.05).Within the same period，the collected amount of MSW from Jiangsu and Zhejiang provinces increased by 58% and 25%，respectively.The family size with 2~4 people dominated in Taihu Lake Basin and their sum accounted for about 76% (〖WTBX〗P〖WTBZ〗<001).From 2002 to 2007，the age distribution of Chinese resident has showed the signs of aging.The proportion of people between the ages of 0~14 decreased yearly.Among those，Shanghai city and Jiangsu province decreased 25% (〖WTBX〗P〖WTBZ〗<001).Statistical analysis showed that the collected percapita MSW was significant positive correlated with the family size and the amount of household consumption expenditure.There was a significant negative correlation between amount of the collected MSW and the age distribution.Correlation coefficient between the collected MSW and the family size was the minimum.The related prediction equation was built on family size，age distribution，and household consumption expenditure for Taihu Lake Basin.The prediction equation was validated using the data from Zhejiang province，which was consistent between the original and the calculated date with a high degree.〖