目前, 中国居民膳食消费水平与结构正在由温饱型向全面小康型转变, 形式上表现为由“粮菜型”
向“粮肉菜果” 多元型和由传统家庭烹饪型向现代便捷型转变. 膳食消费结构和水平的改变将影响 …

The pattern of grain self-sufficiency plays a fundamental role in maintaining food security.
We analyzed the patterns and determinants of grain production and demand, as well as …

At present, Chinese residents' dietary consumption structure is upgrading, changing from a
subsistence type to a comprehensive well-off type and from traditional home cooking to …

Achieving sustainable development in the water–energy–food (WEF) nexus is gaining
global attention. The coupling and coordination degrees are a way to measure sustainable …

The widening gap between China's urban and rural diets and population size poses new
challenges to the sustainable supply of agricultural water, undoubtedly increasing the …

Since the reform and opening up, regional imbalances in the development of market
economy and urbanization have significantly changed the spatial agglomeration pattern of …

BP neural network (BPNN) is widely used due to its good generalization and robustness, but
the model has the defect that it cannot automatically optimize the input variables. In …

Food security is crucial to China's stability, development and international trade order. In this
study, provincial-level administrative regions were taken as the basic unit to calculate the …

粮食安全关系到中国稳定与发展和国际贸易秩序. 以省级行政区为基本单位, 基于2016—2018
年各省份常住人口, 农产品消费量, 农业数据及相关参数, 采用生态足迹和水足迹评价方法 …

中国粮食连年丰产但中央政府并没有降低对粮食安全的关注度, 持续夯实粮食产能,
立足自身应对需求刚性增长. 文章对近年粮食生产结构调整走向, 要素配置变化进行了归纳 …