应用物质流分析方法,研究1991-2010年中国农业部门的物质消耗总量指标和物质消耗效率指标,得到一些新认识:第一,从总量上看,DMI和TMR呈波动变换态势,而反应物质利用效率的IMC和MP指标则具有显著的上升趋势;第二,从结构上看,在农业环境经济系统中,国内物质提取及其隐藏流占有很大的比重,而进口及其隐藏流所占比重较小;第三,从国际贸易上看,中国农业部门并没有因为国际贸易的不断深化而增大国内生态环境的压力。
We use MFA to study index of total material consumption and their efficient index, and get some new conclusions. Firstly, DMI & TMR are fluctuant and IMC & MP are increasing; Secondly, domestic material extraction and their hidden flows have a large proportion from the structure of agriculture environmental system, and import hidden flows have a small proportion; Thirdly, the expanding of international trade of agricultural products dose not enhance the pressure of domestic ecological environment.