我国有大面积天然沙棘林,但都处于自生自灭状态,产果量很低。为充分发挥天然沙棘林的经济效益,应采取以下几种改造措施。１.择伐疏伐改造适用于林分密度大,雄株占优势的沙棘林。作业时根除过密的沙棘尤其是雄株和杂灌木,使之通风透光,扩大雄株在林分内所占的比例,提高单位面积 My country has a large area of ​​natural seabuckthorn forest, but all in a self-contained state, yield low fruit. In order to give full play to the economic benefits of natural seabuckthorn forest, we should take the following measures. 1. Selective cutting thinning suitable for forest density, male dominant seabuckthorn forest. In operation, over-dense seabuckthorn, especially male and miscellaneous shrubs, is eroded and translucent, expanding the proportion of male plants in the stand and increasing unit area