摘要
采用层次分析法,对杉木人工林不同采伐方式的生态、社会、经济及综合效益进行分析,结果表明:经济效益方面,皆伐最高,70%择伐次之,50%择伐第三,30%择伐最小;生态效益方面,70%择伐最高,皆伐最小;社会效益方面,50%择伐最高,皆伐最小。综合效益以70%强度择伐最大,50%择伐其次,皆伐第三,30%择伐最小。建议杉木林主伐采用强度为70%择伐方式进行。
The ecological, social,economic and comprehensive benefits of different cutting methods of Chinese fir were analysed by AHP.The results showed that the economic benefit of clear cutting method was highest,seventy percent selective cutting was second ,the third was fifty percent cutting,and the economic benefit of thirty percent cutting was lowest.As to ecological benefit, seventy percent selective cutting was highest,clear cutting method was lowest.In social benefit,fifty percent cutting method was the best,clear cutting method was the lowest.The comprehensive benefit of seventy percent cutting method was the highest,the second one was fifty percent cutting method,clear cutting method was the third one, thirty percent cutting method was the lowest.The paper suggested that seventy percent cutting method should be used to harvest Chinese fir.
出处
《防护林科技》
2004年第6期22-23,76,共3页
Protection Forest Science and Technology
