quota of cropland in each province of western China every year, and farmers who agree to stop cultivating these lands would receive subsidies to cover their loss. However, no quota is established to stop cultivating cropland in eastern China, and it is a farmer’s own decision if the cropland that suffers soil erosion should be converted to forest or grassland.
Meanwhile, China has also experienced rapid urbanization. The urban area in the eastern coastal provinces increased from 909,721 ha in 1990 to 3,294,289 ha in 2010, a 262.1% increase according to remote sensing image interpretation. The urban population had reached 669 million, and the gross domestic production (GDP) had increased to 40,326 billion Chinese yuan by the end of 2010 (State Statistical Bureau, 2011). Now China is ranked as the world’s second largest economy.
Rapid urbanization has caused changes in cropping systems and other land-use classes. Those changes in farmlands would further affect the soil erosion rate and agricultural production in eastern China. However, no studies have analysed the relationships among urbanization, soil erosion, cropping systems, and agricultural production. The Shandong Peninsula is an area in eastern China that suffers extensive soil erosion and rapid urbanization, and was therefore selected for our study. Our objectives were to analyze the
quota of cropland in each province of western China every year, and farmers who agree to stop cultivating these lands would receive subsidies to cover their loss. However, no quota is established to stop cultivating cropland in eastern China, and it is a farmer’s own decision if the cropland that suffers soil erosion should be converted to forest or grassland.
Meanwhile, China has also experienced rapid urbanization. The urban area in the eastern coastal provinces increased from 909,721 ha in 1990 to 3,294,289 ha in 2010, a 262.1% increase according to remote sensing image interpretation. The urban population had reached 669 million, and the gross domestic production (GDP) had increased to 40,326 billion Chinese yuan by the end of 2010 (State Statistical Bureau, 2011). Now China is ranked as the world’s second largest economy.
Rapid urbanization has caused changes in cropping systems and other land-use classes. Those changes in farmlands would further affect the soil erosion rate and agricultural production in eastern China. However, no studies have analysed the relationships among urbanization, soil erosion, cropping systems, and agricultural production. The Shandong Peninsula is an area in eastern China that suffers extensive soil erosion and rapid urbanization, and was therefore selected for our study. Our objectives were to analyze the
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