摘要
本文通过对鼠类破坏草场而造成的严重经济损失以及灭鼠后,草场得到恢复而获得的经济效益,进行了静态和动态两个方面的分析。分析结果表明,草原大面积灭鼠的经济效益是十分显著的。投资收益率可达1.55,内部收益率达16.57％。
By using static and dynamic analysis, the productivity recovery of grassland and economic effect have been analysed after large—scale restruction. The result of dynamic analysis and the gain, for a period of 17 years investment of large—scale destruction of Brand's vole (Microtus brandti(?) Radde) on grassland in Hulunbeir Region shows that large—scale rat—destruction on grassland made notable economic profits by using the method of annual interest rate 10% of agriculture investment discount. Respectively, investment profit rate internal profit rate were 1.55 and 16.57%.
出处
《中国草地》
CSCD
1991年第3期45-49,共5页
Grassland of China
