欢迎访问《应用生态学报》官方网站,今天是 分享到:

应用生态学报 ›› 1994, Vol. 5 ›› Issue (1): 52-56.

• 研究论文 • 上一篇    下一篇

铅锌矿尾矿场植被重建的生态学研究Ⅰ.尾矿对种子萌发的影响

张志权, 蓝崇钰   

  1. 中山大学生物系, 广州 510275
  • 收稿日期:1992-11-16 修回日期:1993-06-07 出版日期:1994-01-25 发布日期:1994-01-25
  • 基金资助:

    国家自然科学基金

Ecological study on vegetation reconstruction at tailings siteⅠ.Effect of lead -zinc tailings on seed germination

Zhang Zhiquan, Lan Chongyu   

  1. Zhongshan University, Guangzhou 510275
  • Received:1992-11-16 Revised:1993-06-07 Online:1994-01-25 Published:1994-01-25

摘要: 在实验条件下,供试的林木、农作物及牧草种子均能在铅锌矿尾矿中萌发,其中萌发率与非污染土壤中的相近,多数种子的萌发速率低于对照组。供试植物幼苗出土30天内没有死苗现象,但与对照相比,株高下降28.4%,复叶数减少34.1%,生物量下降52.6%.

关键词: 铅锌矿尾矿, 种子萌发, 植被重建, 空间变异, 日变化, 热学特性, 树干温度

Abstract: Under laboratory condition,the seeds of trees,crops and grasses can all germinate in lead-zinc tailings.Their germination rates are similar with those in non-polluted soil,but many of them are lower than control.No dead seedlings are found within 30 days.In comparison with control,the plant height is decreased by 28.4%, compound leaf number by 34.1%,and'the biomass by 52.6%.

Key words: Lead-zinc tailings, Seed germination, Vegetation reconstruction, spatial variation, thermal property., diurnal change, stem temperature