中文摘要：

利用能值方法对省域内部各城市生态经济系统进行对比研究可以为区域可持续发展战略提供科学依据。应用奥德姆（H.T.Odum）创立的能值方法,定量分析宁夏五个地级市生态经济系统内的物流和能流,并对各城市的能值指标作对比分析。研究结果表明：宁夏各城市间的发展水平差距很大,主要是一种高资源消耗型经济发展模式。各市应在加强循环经济建设的同时,扩大开放程度,发展各自特色产业,形成互补机制,从而促进全区社会经济协调发展。

英文摘要：

Based on statistic data,the emergy and material flux of each urban ecosystem of Ningxia were analyzed in this paper by emergy analysis theory of ecological economy system which was created by H.T.Odum.Emergy indices,environmental loading ratio,emergy self-sufficiency,emergy dollar ratio,emergy density,etc.were presented in order to compare these different kinds of urban ecological-economic systems.In addition,some suggestions were given for the sustainable development of these urban ecosystems.