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生态学杂志 ›› 1985, Vol. ›› Issue (6): 10-13.

• 研究报告 • 上一篇    下一篇

吴旗飞播沙打旺草地群落演替初探

汪有科, 李代琼, 从心海, 梁一民   

  1. 中国科学院西北水土保持研究所
  • 收稿日期:1985-06-04 出版日期:1985-12-10

Preliminary Study on the Succession of Aerial Sowing Astralus Adsurgens Grassland Community in Wuqi County

Wang Youke, Li Daiqiong, Cong Xinhai, Liang Yimin   

  1. Northwestern Institute of Water and Soil Conservation, Academia Sinica
  • Received:1985-06-04 Online:1985-12-10

关键词: 污染谷物, As, 分布, 结合形态

Abstract: In this paper, succession of aerial sowing Astragalus adsurgens grassland community and competitive balance among plant populations are quantitatively studied. The results show that the succession of aerial sowing Astragalus adsurgens grassland community is only a subsystem in the changing plant community system, i.e., it is a linaer systems there is a coexistent point of balance between Thymus mongulicus and Stipa bungeana.

Key words: Polluted grains, Arsenic, Distribution, Binding forms