The paper introduces the evaluation category,criteria and application scope of species in the red book by the IUCN,reassesses the levels of 191 endangered gymnosperms in East Asia,updates the red list edition by the IUCN,also discusses the issues of gymnosperm protection and lastly makes some suggestions about endangered gymnosperm application.%介绍了 IUCN 物种红色名录评估等级、划分标准及适用范围,并对东亚地区的191种裸子植物的濒危程度进行了重新评估,更新了 IUCN Red List 的原评估版本;探讨了裸子植物保护问题,并提出了珍稀濒危裸子植物应用的一些建议。
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