1991—2022年中国油料作物生产区域集中化水平演进趋势Evolution trend on concentration of oil-bearing crops production region in China from 1991 to 2022
及时掌握我国油料作物生产区域集中化演进趋势,对于优化油料作物生产布局、有效确保油料产品稳定供给和国家食用油安全等具有重要意义。基于1991—2022年省级尺度油料作物数据,运用空间洛伦兹曲线的集中化指数,从油料产业整体和品种细分视角对1991—2022年我国油料作物生产布局动态演进趋势展开定量研究。结果表明:从油料产业整体视角看,油料作物生产区域集中化水平呈现上升趋势,空间集聚趋势渐强;不同省份对油料产业生产布局动态演进的影响存在差异,河南省、湖北省、四川省、湖南省、山东省等省份对油料产业生产空间集聚起主导性作用。从品种细分视角看,花生生产集中化水平呈下降趋势,呈现“降—升—降—升—降”演化进...
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| Main Author: | 熊琛然1,2,孙莉霞1,翟珊1,李靖竹1XIONG Chenran1,2, SUN Lixia1, ZHAI Shan1,LI Jingzhu1 |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
中粮工科(西安)国际工程有限公司
2025-08-01
|
| Series: | Zhongguo youzhi |
| Subjects: | |
| Online Access: | http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20250802&flag=1 |
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