化龙山国家保护植物优先保护顺序的定量分析

在野外调查的基础上，运用濒危系数、遗传多样性损失系数和物种价值系数对化龙山自然保护区20种国家保护植物的优先保护顺序进行定量分析，结果表明属一级保护的有珙桐、杜仲、连香树、长序榆、紫斑牡丹、鹅掌楸、金钱槭7种，属二级保护的有秦岭冷杉、银鹊树、大果青杆、麦吊云杉、红豆树、领春木、白辛树7种，属三级保护的有庙台槭、香果树、野大豆、独花兰、八角莲、天麻6种。提出了加强珍衡植物保护的措施。

A Quantitative Analysis on Priority of Conservation of the National Protected Plantsin Hualongshan Mountain

Based on field investigation,the coefficient of endangerment,the coefficient of lost geneticdiversity and the coefficient of value were used for evaluation of threatened level,lost genetic diversity and species value ,then for quantitative analyses to determine the priority of conservation of the national protected plants distributed in Hualongshan Mountain Nature Preserev in this paper.The studied results shuwed that of the 20 national protected plants, 7 belongs to the first class protection, 7 to the second ,and 6 to the third.Some effective conservational measures have been put forward.