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Xu, Xin-chuang; Cheng, Dong-lai; Liu, Cheng-wu. |
Change trend of cultivated land in Hubei Province is analyzed. The years 1998-2003 are the reduction period of cultivated land; the years 2004-2007 are the increase period of cultivated land; the years 1988-2002 are the slow growth period of construction land; and the years of 2003 and 2007 are the increase period of construction land. Based on related social economic statistical data in 1988-2007, human driving forces on cultivated land and construction land in Hubei Province are analyzed quantitatively and comparatively by using SPSS software and mathematical statistical method. Result shows that driving forces have negative driving effect on cultivated land, and positive driving effect on construction land. Driving forces have significant differences of... |
Tipo: Journal Article |
Palavras-chave: Cultivated land; Construction land; Factor analysis; Human driving force; China; Agribusiness. |
Ano: 2010 |
URL: http://purl.umn.edu/93574 |
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Li-juan, Tang; Lei, Lei; Ling, Cao. |
Variation of cultivated land quality in 10 major cities and its driving forces are introduced in recent 10 years. And economic development and population growth are the common driving forces for the reduction of cultivated land in coastal cities. Among them, economic development is the main driving force. Taking Huludao City as an example, driving factors of cultivated land variation in Huludao City are studied by Principal Component Analysis according to the relevant statistical data in the year 1998-2007. Result shows that in recent 10 years, total cultivated land area has increased in Huludao City, especially in the years 1998-2002. Driving force of cultivated land variation in Huludao City can be summarized as economic growth, population growth and... |
Tipo: Journal Article |
Palavras-chave: Coastal city; Cultivated land; Quantity variation; Driving force; Principal component analysis; China; Agribusiness. |
Ano: 2010 |
URL: http://purl.umn.edu/93242 |
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