甘肃木兰科濒危植物资源现状与保护对策

The Current Situation and Protection Countermeasures of Magnoliaceae,Threatened Plant Resource in Gansu

通过历史资料收集、查阅标本和实地调查,对甘肃木兰科濒危植物资源进行了研究,结果表明:甘肃共有木兰科濒危植物2属5种,其中国家级濒危保护植物4种,它们具有分布局限性、区系复杂性和起源古老性等特点,从生殖障碍、生态环境恶化、人类经济活动等方面分析了甘肃木兰科植物濒危原因,提出了保护对策。

Through historical data collection,the threatened plant resource of Magnoliaceae has been researched in Gansu.The results show that there are totally 2 genera and 5 species of Magnoliaceous threatened plant in Gansu,including 4 national rare species with the features of distributed limitation,floristic complexity and old origins.This paper analyzed threaded reasons for the rare and proposed the countermeasures to protect from reproductive problems,environmental degradation and human economic activity.