Key Laboratory of Agricultural Water Resources;
Center for Agricultural Resources Research;
Institute of Genetics and Developmental Biology;
ChineseAcademy of Sciences;
Shijiazhuang;
Hebei 050021;
China;
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;