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Analysis on Natural Regeneration Characteristics and Growth Factors of Two Cut-over Lands of Larix gmelini Forests in Greater Khingan Mountains
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作者 丛林 刘艺军 +2 位作者 耿胜玉 宋大北 菲菲 《Agricultural Science & Technology》 CAS 2013年第6期890-894,共5页
[Objective] This study aims to analyze the natural regeneration characteristics and growth factors of two cut-over lands of Larix gmelini forests in Greater Khingan Mountains. [Method] A database was established based... [Objective] This study aims to analyze the natural regeneration characteristics and growth factors of two cut-over lands of Larix gmelini forests in Greater Khingan Mountains. [Method] A database was established based on the information of natural regeneration cut-over sample plots of Larix gmelini forests in Greater Khingan Mountains. Natural regeneration characteristics of clear-cutting sample plot and shelterwood-cutting sample plot of Larix gmelini in the northern regions of Greater Khingan Mountains were investigated by programming analysis. [Result] The natural regeneration of two principal felling systems was both good, and that of shelterwood-cutting sample plot was better. There were significant linear regression relationships among various growth factors of naturally regenerated plants. [Conclusion] This study provided scientific theoretical guidance for subsequent deforestation and regeneration in Greater Khingan Mountains. 展开更多
关键词 Natural regeneration CLEAR-CUTTING shelterwood-cutting Larix gmelini Greater Khingan Mountains
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