中心城市粮食安全系统结构与因果分析

随着我国城镇化的进程,中心城市粮食安全对于区域乃至全国粮食安全具有举足轻重的作用。中心城市粮食安全相对于全国的粮食安全,具有不同的特征、结构、内涵和主导因素。论文从系统的角度提出中心城市粮食安全系统的概念,分析中心城市粮食安全系统结构、中心城市粮食安全系统子系统构成、中心城市粮食安全子系统的相互作用,在此基础上建立因果模型,详细探讨中心城市粮食安全系统主要反馈回路及相互影响,为我国中心城市粮食安全的系统管理提供有益探索。

Food Security System and Feedback Loop in Central City

With urbanization,the food security of central city has the pivotal function regarding the region and even the nation food security.The food security of the central city has the different characteristics,the structure,the connotation and the predominant factors.The paper proposes concept of the central city food security from system’s angle,and analyzes the system structure of the central city food security,the subsystem constitution and the subsystem’s interaction.The paper establishes the causal model and discusses the main feedback loop of central city food security system in detail.The paper provides the beneficial exploration for system administration of the central city food security.