南水北调西线工程对黄河中上游地区的生态经济社会的预计效应
雒天峰, 陈克恭

Estinated eco-economic and social effects of the West Route of the South-to-North Water Transfer Project to the upper-mid reaches of the Yellow River
Tianfeng Luo, Kegong Chen
图3 中国粮食生产功能区和重要农产品生产保护区布局17
Fig.3 The diagram of food production function zone and important agricultural product protection zone17