河姆渡遗址“是长江流域氏族公社的一个典型”。现行教科书几乎都是这样叙述的。然而,把河姆渡氏族公社遗址划为长江流域是否妥当?这得首先弄清什么是流域。《辞海》说:“流域是地表水和地下水分水线所包围的集水区域的总称”。《地理学词典》说:“流域是地表水和地下水的补给区域。”《四角号码词典》 Hemudu ruins “is a typical clan commune in the Yangtze River Basin.” Almost all current textbooks describe this. However, is it proper to designate the site of Hemudu clan as the Yangtze River basin? This is the first to understand what is a watershed. “Cihai” said: “The basin is a general term for catchment area surrounded by surface water and groundwater.” The Geographical Dictionary states: “The catchment is a replenishment area for surface water and groundwater.” “The four-corner number dictionary”