北方农牧交错区农业水事活动对生态环境的影响

刘和林;杨改河;张生军

Influence of Agricultural Water Affairs Activities in Northern Agriculture-Animal Husbandry Cross Region to Ecological Environment

LIU He-lin;YANG Gai-he;ZHANG Sheng-jun

人民黄河 . 2006, (5): 32 -34 .