Regional difference of cropping-animal husbandry system and its developmental trends at intensive farming region in the Changjiang River Delta

Through investigations,evaluating index system of the regional difference of cropping-animal husbandry system in intensive farming region of the Changjiang River Delta includes natural resources,planting-raising situation,social consume and rural economic feature,etc. Using dynamic clustering method and appointing farming region boundary,cropping-animal husbandry system in the Changjiang River Delta are classified into five areas. Their characters and developing trends are also analyzed.