Dynamics of Urban Food-Carbon Consumption in Beijing Households
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Households' consumption activities are an important contributor to global environmental problems,and research on food-carbon consumption are suggested to be an important content in promoting sustainable household consumption.Based on statistical data,the trend of urban food-carbon consumption in Beijing households and its influencing factors were analyzed.Carbon in food was calculated with protein,carbonhydrate,fat content in food and results showed that,compared with 1979,food-carbon consumption per capita in Beijing households decreased by 15.2% in 1999 and that per household decreased by 38.6%,while the total food-carbon consumption increased by 28.5% because of population growth.The main form of food carbon changed from corn carbon to corn and meat carbon.During the process of urbanization from 1979,food-carbon consumption per capita suffered a significant decrease until 1993 and then rose significantly and continuously, as did the food-carbon consumption per household.Research shows that the decrease of corn carbon per capita and accordingly the change of food consumption structure is the main reason for the decrease of food carbon consumption per capita,while the increase of meat carbon per capita and total food consumption accounts for the increase.GDP index is the key economical factor influencing urban food-carbon consumption per capita.With the increase of urban economy,urban food-carbon consumption per capita in Beijing households is supposed to increase and has not yet reached a stable level.This due to the fact that the transformation of food-consumption structure has almost finished in Beijing urban households,while food consumption per capita is still increasing.
JOUR
Luo, Ting-Wen
Ouyang, Zhi-Yun
Wang, Xiao-Ke
Miao, Hong
Zheng, Hua
2005
Acta Ecologica Sinica
25
12
3252-8
1218