巴东古银杏资源研究

Research on Ancient Ginkgo Biloba Tree Resource in Badong County

摘要:

本文从分布状况、立地条件、形态特征、年龄结构、性别比例、生长状况和保护现状等方面对湖北省巴东县的古银杏资源进行了系统研究。结果表明：全县共有银杏古树274株，其中一级古树37株，二级古树70株，三级古树167株。这些银杏古树分布在该县所辖12个乡（镇）的10个，其中野三关镇139株，清太坪镇70株，其他乡（镇）共65株。

Abstract:

This article studied the rich resources of ancient Ginkgo biloba trees related to distributed status, site condition, morphological characteristic, age structure, gender proportion, growth and protection situation etc. in Badong county of Hubei province. The results showed that there were 274 ancient Ginkgo biloba trees in total in this county, in which 37 trees were at first class level, 70 trees are at second and third class level respectively. These ancient Ginkgo biloba trees mainly distribute in 10 of 12 towns in the county, i.e. 139 trees in Yeshanguan. 70 in Qingtaiping and 65 in other towns.