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| Analysis on the temporal and spatial evolution and influencing factors of oilseed rape production layout in China |
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| DOI： |
| KeyWord:oilseed rape production layout temporal and spatial evolution spatial centre of gravity |
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| Abstract: |
| In order to further optimize China′s oilseed rape production layout, the temporal and spatial evolution and influencing factors of oilseed rape production layout in China since the 21st century were analysed based on data models such as production concentration index, production scale index, spatial centre of gravity analysis, and origin concentration coefficient. The results showed that since the beginning of the 21st century, the main oilseed rape producing provinces in China had basically remained unchanged, but affected by the different industrial orientations of the provinces, the production concentration indexes of oilseed rape in Sichuan, Hunan, Chongqing, and Yunnan increased year by year, and the three provinces of Anhui, Jiangsu, and Zhejiang decreased year by year. The successive implementation of the support policies for the oilseed rape industry promoted the gradual increase of the oilseed rape production scale in the southern region since 2007, and the corresponding decline in the northern region. The different location characteristics of the eastern, central and western three production areas and the seven major production areas led to the overall spatial distribution of oilseed rape production in China showing the characteristics of "decrease in the eastern, stabilize in the central, move to the western". The spatial centre of gravity of rapeseeds production and oilseed rape sown area gradually moved from the middle to the southwest. The origin concentration coefficient of oilseed rape in China generally showed a fluctuating upward trend, that was, oilseed rape production tended to be the main producing area. Under the comprehensive influence of natural environment, industrial model, policy support, scientific and technological innovation, China′s oilseed rape industry had more obvious regional advantages and increasingly optimized spatial layout. It was suggested that the international competitiveness of China′s oilseed rape industry should be further enhanced through the construction of the superior industrial belt of oilseed rape in the Yangtze River basin, policy support for oil and fat processing enterprises, the development of saline alkali land in the north, the expansion of winter fallow fields in the south, and the multi-functional development and utilization of oilseed rape. |
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