基于标本信息初评囊瓣芹属六个种的绝灭风险

被引：3

作者：

王利松

赵莉娜

覃海宁

机构：

[1] 中国科学院植物研究所

来源：

生物多样性 | 2012年 / 20卷 / 06期

关键词：

IUCN; 保护生物学; 伞形科; 囊瓣芹属; 中国;

D O I：

暂无

中图分类号：

Q948 [植物生态学和植物地理学];

学科分类号：

071301 [植物生态学];

摘要：

利用标本馆的标本信息,根据物种分布区、占有面积、亚居群数及分布点数目等量化参数,按照IUCN濒危等级和标准,对囊瓣芹属(Pternopetalum)6个种的受威胁程度进行了评估。结果表明:薄叶囊瓣芹(P.leptophyllum)为极危,川鄂囊瓣芹(P.rosthornii)为濒危,东亚囊瓣芹(P.tanakae)、五匹青(P.vulgare)、洱源囊瓣芹(P.molle)和澜沧囊瓣芹(P.delavayi)为易危。在涉及大的空间范围和大量物种的评估实践中,标本数据是最重要,有时甚至是唯一的获取量化参数的依据,但标本数据自身局限性造成的量化参数估计偏差对评估的影响还需要更深入的研究。

引用

收藏

页码：761 / 768

页数：8

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