1. The species richness、aboveground-biomass and soil organic carbon storage (0-30cm) of the osier bed was significantly higher than other plant community in the Mu Us sandy land (P0.05). 6.
柳湾林物种丰富度、地上生物量和0-30cm土层土壤有机碳含量显著高于毛乌素沙地其它植物群落（P0.05）。
2. The species richness 、 aboveground-biomass and soil organic carbon storage (0-30cm) of the osier bed was significantly higher than other plant community in the Mu Us sandy land (P0.05). 6.
柳湾林物种丰富度、地上生物量和0-30cm土层土壤有机碳含量显著高于毛乌素沙地其它植物群落（P0.05）。