摘要
通过对四川栗子坪国家级自然保护区兰科植物资料的搜集、整理和分析发现,保护区内分布有兰科植物30属70种,以地生兰为主,且珍稀濒危物种较多;属的区系类型以热带和温带成分为主,具有从典型的热带成分向温带过渡的特性,温带成分占优势地位;中国特有种较多;野外调查结果显示,调查发现的26种物种主要分布于海拔3500 m以下的中低海拔区域,物种数量随海拔增加呈先增加后减少的趋势,在海拔2000~2500 m达到最高峰;保护区内的人为干扰较多,以道路影响最大,其次为放牧。基于上述调查结果,也给出了相应的保护建议。
Based on literature collection,arrangement and analysis of Orchidaceae plants resources in Liziping National Nature Reserve of Sichuan province,there were totally 70 species of Orchidaceae plants belonging to 30 genus in the reserve,mainly terrestrial orchids,and there were many rare and endangered species.The floristic types of the genus were mainly tropical and temperate components,which had the characteristics of floristic transition from typical tropical components to temperate components,and temperate components were dominant.There were many Chinese endemic species.The field survey results showed that 26 species found in the survey were mainly distributed in the low and medium altitude regions below the elevation of 3500 m,and the number of species first increased and then decreased with the elevation,reaching the highest peak at the elevation of 2000~2500 m,There were various types of human disturbances in the reserve,including the traffic,grazing,herb collecting,and the effects of the traffic and grazing were the greatest on Orchichadaea plants.Based on the survey results,some corresponding measures and suggestions on the protection were also put forward.
作者
杨毅
杨伟
骆伟
鲁碧耕
刘秉昕
田春洋
李威
张翼
YANG Yi;YANG Wei;LUO Wei;LU Bigeng;LIU Bingxin;TIAN Chunyang;LI Wei;ZHANG Yi(Administration of Sichuan Liziping National Nature Reserve,Ya'an 625400,China;Ya'an Forestry Bureau,Ya'an 625000,China;Chengdu Runnan Environmental Protection Technology Co.,Ltd,Chengdu 610051,China)
出处
《四川林业科技》
2020年第4期121-128,共8页
Journal of Sichuan Forestry Science and Technology
基金
2017年国家重点生态功能区转移支付禁止开发区补助资金项目。
作者简介
杨毅(1981—),男,工程师,硕士,651843296@qq.com;通讯作者:张翼,358545852@qq.com。
