| 人工长白落叶松林采伐年龄的确定 |
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| 引用本文： | 刘建国,于政中.人工长白落叶松林采伐年龄的确定[J].北京林业大学学报,1990,12(3):34-39. |
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| 作者姓名： | 刘建国 于政中 |
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| 作者单位： | 北京林业大学林业资源学院
(刘建国)，北京林业大学林业资源学院(于政中) |
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| 摘 要： | 根据吉林省汪清林业局的材料,对人工长白落叶松林的采伐年龄进行了研究。结果如下:根据平均生长量最大值确定的数量成熟龄为38a(年)。根据木材用途,中、小径材的工艺成熟龄分别定为25a和20a。根据收入和成本计算的各种经济成熟龄定为25～35a之间。最后根据经营目的等因素,将人工长白落叶松林的采伐年龄确定为26～30a。
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| 关 键 词： | 长白落叶松 数量成熟 工艺成熟 经济成熟 采伐年龄 |
On the Rotation Age of Changbai Larch(Larix olgensis) Plantations |
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| Liu Jianguo Yu Zhengzhong.On the Rotation Age of Changbai Larch(Larix olgensis) Plantations[J].Journal of Beijing Forestry University,1990,12(3):34-39. |
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| Authors: | Liu Jianguo Yu Zhengzhong |
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| Institution: | College of Forest Resources |
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| Abstract: | Based on data collected from the Wangqing Forest Enterprise,this paper discussed the cutting age of Larix olgensis plantations.According to the maximum mean annual increment,the rotation age should be 38.Considering the small and middle wood used as mining timbers,posts and in housing construction in the country,the rotation age should be 20~25.According to the cost and income,the financial rotation age should be 25~ 35.In conclusion,according to the different purposes the general rotation age should be 26~30. |
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| Keywords: | Larix olgensis quantitative maturity technical maturity economical maturity cutting age |
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