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当前位置: 首页 > 文章 > 贵州楠杆自然保护区楠木种群结构特征 现代农业科技 2019 (15) 134-136
Position: Home > Articles > Characteristics of Population Structure of Phoebe zhennan in Nangan Nature Reserve in Guizhou Province Modern Agricultural Science and Technology 2019 (15) 134-136

贵州楠杆自然保护区楠木种群结构特征

作  者：
史开前;袁丛军;李晓芳;潘端云;王加国
单  位：
贵州易德森林业发展有限公司
关键词：
楠木;种群结构;径级划分;楠杆自然保护区;贵州省
摘  要：
楠木是贵州楠杆自然保护区最重要的优先保护树种之一。采用典型样地调查与样线调查相结合的方法,分析种群结构特征。研究表明,按行政区统计,自然保护区内楠木资源数量依次为楠杆乡(378株,53.62%)>平原乡(299株,42.41%)>沙溪乡(28株,3.97%);按立木等级统计,自然保护区内分布的楠木古树、大树、中树、小树、幼树分别占区内楠木总数量的9.50%、22.84%、34.89%、26.67%、6.10%,种群整体上呈衰退型;自然保护区内共有楠木古树群落12个(楠杆乡5个、平原乡4个、沙溪乡3个)。
译  名：
Characteristics of Population Structure of Phoebe zhennan in Nangan Nature Reserve in Guizhou Province
作  者：
SHI Kai-qian;YUAN Cong-jun;LI Xiao-fang;PAN Duan-yun;WANG Jia-guo;Guizhou Yide Forest Industry Development Limited Company;Guizhou Academy of Forestry;Foresty College of Guizhou University;Guizhou Mountain Resources Institution;
关键词：
Phoebe zhennan;;population structure;;diameter classification;;Nangan Nature Reserve;;Guizhou Province
摘  要：
Phoebe zhennan is one of the most important protected tree species in Nangan Nature Reserve.The characteristics of population structure were analyzed by combining typical sample survey with sample line survey. The research showed that according to the administrative district statistics,the number of Phoebe zhennan resources in Nangan Nature Reserve was Nangan Township(378,53.62%)>Pingyuan Township(299,42.41%)>Shaxi Township(28,3.97%).According to the standing timber grade,Phoebe zhennan ancient trees,big trees,middle trees,small trees,and young trees in Nangan Nature Reserve accounted for 9.50%,22.84%,34.89%,26.67%,6.10% of the total number of Phoebe zhennan,respectively,which belonging to decline population.There were 12 ancient tree communities of Phoebe zhennan in Nangan Nature Reserve(5 in Nangan Township,4 in Pingyuan Township,and 3 in Shaxi Township)

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