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Prediction of the Cultivated Land Demand Based on Logistic Equation - A Case of Zhejiang Province, China AgEcon
Qiao, Ruibo; Li, Yu-ping; Cai, Yunlong.
Regional situation of Zhejiang Province and connotation of Logistic Equation are introduced. According to the relevant statistical data from 1978 to 2006, dynamic change and its driving forces of cultivated land area in Zhejiang Province are analyzed. ① Since the year 1978, cultivated land area has shown a significant fluctuant decreasing trend in Zhejiang Province, China. ② Cultivated land at the two stages of 1984-1988 and 1990-1995 decreases sharply. Large area of cultivated land is occupied by non-agricultural construction. ③ Economic development, population growth and agricultural scientific and technological development are the main driving forces. Contradiction between land and human beings becomes more acute; and the load of cultivated land becomes...
Tipo: Thesis or Dissertation Palavras-chave: Logistic Equation; Cultivated land demand; Prediction; Zhejiang Province; China; Land Economics/Use; Research Methods/ Statistical Methods.
Ano: 2009 URL: http://purl.umn.edu/55907
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Dynamic Change of Ecological Footprint in Xingtai City in the Years 2003-2009 AgEcon
Chen, Ji-bing; Li, Yu-ping.
Quantitative estimation of the ecological footprint in Xingtai City in the years 2003-2009 is carried out by using the Ecological Footprint Model and the Time Series. Result shows that the per capita ecological footprint demand increases in Xingtai City from the year 2003 to 2009; and land use for energy shows a significant increase, accounting for the maximum proportion in per capita ecological footprint demand. Per capita ecological footprint supply gradually decreases. Ecological supply provided by cultivated land occupies the greatest proportion in the supply of per capita ecological carrying capacity, which is the main factor determining the supply of ecological carrying capacity in Xingtai City. In the years 2003-2009, ecological footprint of Xingtai...
Tipo: Journal Article Palavras-chave: Ecological footprint; Ecological carrying capacity; Sustainable development; Xingtai City; China; Agribusiness.
Ano: 2011 URL: http://purl.umn.edu/108475
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