本文通过聊城市1971~2015年的逐年降水与同期粮食产量资料进行相关分析,发现:自然降水是影响聊城地区生态变化的主要因子;气象观测资料表明,近45年来聊城地区年降水量呈现出越来越少的趋势,而工农业生产及居民生活用水越来越多,造成水分亏缺严重,导致生态系统循环不良,影响了生态农业的可持续性发展.因此合理开发空中云水资源、优化生态环境、促其系统良性运行,是确保聊城生态农业可持续发展的重要途径.%Based on the correlation analysis between yearly precipitation and grain yield data in Liaocheng City from 1971 to 2015,it is found that natural precipitation is the main factor affecting the ecological change in Liaocheng area. Meteorological observation data show that the annual precipitation in Liaocheng area More and more trends,and industrial and agricultural production and residents living more and more water,resulting in serious water deficit,leading to poor ecosystems,affecting the sustainable development of ecological agriculture. Therefore,it is an important way to ensure the sustainable development of Liaocheng ecological agriculture by rationally developing air cloud water resources,optimizing the ecological environment and promoting the healthy operation of its system.
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