摘要
在对潭獐峡国家级风景名胜区种子植物详细调查、标本采集及鉴定的基础上,对其科、属的分布区类型进行统计分析,其种子植物区系特征为:1区系成分丰富,有137科,538属,996种;包括10种科的分布区类型和15种属的分布区类型.2单种科属和寡种属优势明显.3具古老性和残遗性.4科分布区类型以热带分布为主,属分布区类型以温带分布为主;同时,有许多分布区亚型及间断分布类型,呈现出明显的过渡性质.5特有属比较丰富,具有较高保护价值.
The seed plants have been collected and classified in Tanzhangxia scenic and historic interest area of Chongqing.The flora distribution types at the level of family and genera have been studied.The results show that the flora are considerably rich,including 996 species,which belonged to 137 families and 538 fenera.There are 10 distribution types of family and 15 distribution types of genera.The dominant family and genera are prominent.The origin of its flora is very ancient.The characteristics of distribution types of family took on obvious tropical nature,however,the genera owned temperate nature.Many sbutypes and interrupt distribution types showed obvious transitional character.The endemic genera and species are abundant,so it owned highly value and should be paid more attention to protect them.
出处
《西南师范大学学报（自然科学版）》
CAS
北大核心
2015年第9期108-114,共7页
Journal of Southwest China Normal University(Natural Science Edition)
关键词
潭獐峡国家级风景名胜区
种子植物
区系特征
the Tanzhangxia national scenic area
seed plants
floristic characteristic
