1) endangered reason
濒危原因
1.
The resources of mother tree of Metasequoia glyptostroboides within Xingdoushan reserve have been surveyed by the authors, and the resource quantity of Metasequoia glyptostroboides mother tree, distribution regularity and endangered reasons have also been explored, therefore, the accordingly protection measures have beenput forward.
笔者对星斗山保护区内的水杉母树资源进行了调查,探明了保护区内水杉母树的资源量、分布规律及濒危原因,并提出了相应的保护措施。
2.
Based on the analysis of its endangered reasons, we put forward some suggestions for its protection.
本文系统综述了珙桐地理分布 ,分布区自然状况、群落特征、形态解剖、繁殖生长等方面的生物学特性 ,并分析了其濒危原因 ,对珙桐的保护提出了一些建议 。
3.
Then,endangered reason,effect on moving protection were analyzed.
笔者对珙桐资源的分布状况、国内外引种栽培情况作了较全面的介绍,对珙桐濒危原因、迁地保护的影响因素进行分析,对迁地保护技术和方法进行探讨。
3) Endangered causes
濒危原因
1.
The endangered causes and protecting strategies for Dayaoshania cotinifolia,a endemic plant in Guangxi;
广西特有植物瑶山苣苔的濒危原因及保护对策
2.
The endangered causes of the species were discussed.
本文讨论了它的濒危原因：（１）干旱及间歇性干旱影响；（２）球果种鳞结构不利种子脱落；（３）种子产量少、质量低；（４）种子发芽势弱；（５）人为活动影响。
4) endangering causes
濒危原因
1.
To understanding its endangering causes, previous studies were reviewed from aspects of plant migration in history, present geographical distribution and resources, biological and ecological characteristics and effect of human disturbance.
为揭示其濒危原因,从地质历史时期的植物变迁、现代地理分布与资源状况、生物学和生态学特性及人为干扰的影响等方面对以往研究进行总结分析。
5) Reasons of being in danger
濒危因素
6) endangered causes
濒危因子
1.
Analysis of the endangered causes and the protection measures of natural Taxus resources in China;
我国天然红豆杉资源濒危因子分析及其保护途径探讨
补充资料：非法收购、运输、出售珍贵、濒危野生动物、珍贵、濒危野生动物制品罪
非法收购、运输、出售珍贵、濒危野生动物、珍贵、濒危野生动物制品罪：指违反野生动物保护法规，收购、运输、出售国家重点保护的珍贵、濒危野生动物及其制品的行为。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条