节点文献
不同抚育方式杉木林效益的计量评价
Estimation and Evaluation of Benefits of Chinese Fir Plantation of Different Tendings
【摘要】 在杉木不同抚育方式径流场定位观测基础上,根据不同抚育方式对杉木林的影响程度,对不同抚育方式杉木林生产效益、涵养水源效益及保持水土效益的计量结果表明:20年生扩穴连带抚育杉木林综合效益为63462.33元/hm2,比块状抚育杉木林高491.78元/hm2,但块状抚育经济效益明显高于扩穴连带抚育杉木林,今后林业经营中宜推广块状抚育.
【Abstract】 The benefits of products, water and soil conservation of Chinese fir plantation of different tendings are studied through the fixed observation in the runoff plot according to the effect of tendings on Chinesefir plantation. The results are as follows. The comprehensive benefits of 20 years Chinese fir plantation ofstrip tending is 63462. 33yuan/hm2 and high than those of spot tending by 491. 78yuan/hm2. However, it haslow investment of sivilculture and is more economic than those of strip tending. So spot tending is practicaltending for Chinese fir in th future.
- 【文献出处】 福建林学院学报 ,JOURNAL OF FUJIAN COLLEGE OF FORESTRY , 编辑部邮箱 ,1997年02期
- 【分类号】S791.27
- 【被引频次】4
- 【下载频次】38