当前位置: 首页 > 文章 > 贵州省古银杏资源的分布及生长特征研究 西部林业科学 2013 (6) 82-87
Position: Home > Articles > Distribution and Structure Characteristics of the Ancient Ginkgo Trees in Guizhou Province Journal of West China Forestry Science 2013 (6) 82-87

贵州省古银杏资源的分布及生长特征研究

作  者:
刘莉娟;邢世岩;吴岐奎;刘晓静;辛红;任娟霞
单  位:
山东农业大学林学院
关键词:
贵州省;古银杏;资源;分布特征;生长特性
摘  要:
2011年8月通过访谈、查阅文献资料与实地调查,对贵州省古银杏资源的分布及生长特征进行分析。结果表明,贵州省100~4 000年生古银杏共有1 969株,主要分布于遵义市和六盘水市;垂直分布海拔为300~1700 m,集中分布800~1 100 m。其中75.96%为雌株,24.04%为雄株,雌雄比为3.16︰1;树高最高为50.0m,最矮为2.0 m;树龄最大为4 000年,最小为100年;胸径最大为479 cm,最小为26 cm;其平均冠幅最大为40.0 m,最小为1.0 m。垂乳银杏有88株,复干银杏有35株,雌雄同株仅1株。
译  名:
Distribution and Structure Characteristics of the Ancient Ginkgo Trees in Guizhou Province
作  者:
LIU Li-juan;XING Shi-yan;WU Qi-kui;LIU Xiao-jing;XIN Hong;REN Juan-xia;College of Forestry,Shandong Agricultural University;
关键词:
Guizhou Province;;ancient ginkgo trees;;resource;;distribution;;growth characteristic
摘  要:
Through interview,literature data and field investigation,the distribution and growth characteristics of the ancient ginkgo resources in Guizhou Province were analyzed in August 2011. The results show that the total number of the ancient ginkgo trees from 100 to 4 000 years old in Guizhou is 1 969,which are mainly located in Zunyi and Liupanshui city. The vertical distribution is 300 ~ 1 700 m and the concentrated distribution is 800 ~ 1 100 m. 75. 96 % of the totals are female plant,the ratio of female to male is 3. 16 ︰ 1. The highest and shortest tree are 50. 0 m and 2. 0 m in height respectively. The oldest and youngest tree have an age of 4 000 and 100 years respectively. The maximum diameter at breast height is 479 cm,and the minimum is 26 cm. The minimum average crown is up to 40. 0 m and the minimum is 1. 0 m. There are 88 ancient ginkgo trees with chichi,35 multitrunk ginkgo trees and only one hermaphrodite ginkgo tree.

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