短命种子
- 网络short-lived seeds

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由于胡杨种子属于短命种子,在其短暂的活力期内没有适宜的环境条件使之萌发,从而造成种子萌发失败。
For the ephemeral seeds , there were no favorable condition for germinate during their short lives .
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结果表明:短命植物种子主要集中分布于地表0~5cm土壤中,5cm以下土壤中极少存在有活力的种子;
The results showed the seeds of ephemerals mainly distributes in 0 ~ 5 cm soil and there are few seeds under the 5 cm soil .