1.Hippophae rhamnoides L.subsp.sinensis is a heliophyte tree,so that some scholars consider it as a pioneer population,but others regard that the tree regenerate well in natural conditions.

1.中国沙棘属于阳性树种,有学者将其视为群落替过程中的先锋种群,有学者的研究表明它在自然状态下更新良好。