摘要
根据东辽县 1 983、 1 998年两次森林资源二类调查资料 ,对森林面积、森林蓄积量、树种结构、龄组构成以及生态、经济效益等进行了分析 ,提出了新的建议。
The changes of forest-land area, forest growing stock, species composition, age structure and the ecological and economic efficiency of fores were analyzed by means of the contrast of forest survey in 1983 and 1998. Some suggestions were put forward.
出处
《吉林林业科技》
北大核心
2000年第1期41-46,共6页
Journal of Jilin Forestry Science and Technology
