桂西北大叶榉树生长规律及群落特征分析

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1、·4.1群落特征..........................................................................................................................144.1.1群落物种组成................................................................................................................144.1.2生活型组成..........

2、..........................................................................................................144.1.3群落植物多样性............................................................................................................164.1.4群落垂直结构....................................

3、............................................................................164.2种群结构..........................................................................................................................204.2.1胸径级结构..........................................................

4、..........................................................204.2.2高度级结构....................................................................................................................214.3天然更新..................................................................................

5、........................................214.3.1幼苗更新结构特征........................................................................................................224.3.2幼苗空间分布特征.......................................................................................................

6、.224.4小结..................................................................................................................................234.4.1群落特征........................................................................................................................234.4.2种

7、群结构与更新............................................................................................................23第五章结论与建议................................................................................................................245.1大叶榉树生长规律............................

8、.............................................................