西藏雅鲁藏布江柏木生长特征研究

被引:7
作者
潘刚
机构
[1] 西藏高原生态研究所林芝
关键词
巨柏; 高生长; 柏树; 蓄积量; 研究区; 雅鲁藏布江柏木; 平均生长量; 材积生长率; 胸径生长; 西藏;
D O I
10.13456/j.cnki.lykt.2005.02.001
中图分类号
S791 [针叶树类];
学科分类号
0829 ; 0907 ;
摘要
<正>雅鲁藏布江柏木(Cupressusgigantean Cheng et L. K.Fu),又名巨柏。树皮灰褐色,常纵向开裂,叶鳞片状,着生在四棱形的粗短小枝上,背部具钝脊,有白色蜡粉。该树雌雄同株,球果较大,长1.6-2.2cm,直径1.5-2.3 cm,具种鳞12枚,每种鳞有种子10-15粒。种子扁椭圆形,两侧有窄翅,种鳞顶部大而明显。球果2年成熟,届时种鳞开裂,种子下落传播,种子千粒质量为5 g。木材具香味。
引用
收藏
页码:4 / 5
页数:2
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