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生态学杂志 ›› 1989, Vol. ›› Issue (4): 16-19.

• 研究报告 • 上一篇    下一篇

“三北”地区天然灌丛改造利用途径的研究

姜凤岐, 杨瑞英, 薛才, 林鹤鸣   

  1. 中国科学院沈阳应用生态研究所
  • 收稿日期:1987-09-07 出版日期:1989-08-10

Approaches to the Transformation and Utilization of Natural Shrubs in the "Three North" Regio

Jiang Fengqi, Yang Ruiyingo Xue Cai, Lin Heming   

  1. Institute of Applied Ecology, Academia Sinica, Shenyang
  • Received:1987-09-07 Online:1989-08-10

关键词: 蜜蜂, 种群数量动态, 性比, 年龄组配

Abstract: It is important to protect, transform and make proper use of the natural shrubs for maintaining ecological balance and improving the production of animal husbandry and sidelines in the "three north" region. Taking an example of the shrubs in Wulanaodu area which is located in the east of the "three north" region, this paper summarized the five years experiment (1981—1985) on three kinds of transformation measures:round enclosing, aboveground cutting and seeding. The tnatural shrubs in this region are devided into three types and each given a corresponding model for the rationaI utilization of the natural shrub resources.