The population in the semi fixed sand dunes had the most developed root systems, followed by the population in the fixed sand dunes, and that in the inter dunes lowland was the last.

• 半固定沙丘上的黄柳根系最发达 (根系分布深 ,数量大 ) ,固定沙丘的黄柳明显不及前者 ,而丘间低地的黄柳根系最不发达。