Advances in Water-saving Agriculture and its Future Strategies in North China Plain  

作　　者：YANG Yonghui 

机构地区：[1]Key Laboratory of Agricultural Water Resources, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, ChineseAcademy of Sciences, Shijiazhuang, Hebei 050021, China

出　　处：《Bulletin of the Chinese Academy of Sciences》2012年第1期54-58,共5页中国科学院院刊（英文版）

摘　　要：China has almost one-quarter of the world＇s population, but only 6% of its fresh water. China＇s water resource distribution is extremely uneven. To the north of the Yangtze River, including the Hai River Basin, the Huai River Basin, the Yellow River Basin, Northeast and Northwest of China, Shandong Peninsular, there is only 19% of China＇s total water resources, i.e 0.546 trillion m3. Quick depletion of groundwater level and dramatic shrinking of river water flow in the downstream river systems of the arid, semi-arid and semi-humid regions of North China suggest that present water use is difficult to sustain.1. Water limitation and agricultural water use China has almost one-quarter of the world’s population, but only 6% of its fresh water. China’s water resource distribution is extremely uneven. To the north of the

关 键 词：中国北方 节水农业 平原 水资源分布 水资源总量 半湿润地区 世界人口 海河流域 

分 类 号：TV66[水利工程—水利水电工程] P425.55[天文地球—大气科学及气象学]