濒危包含接近危险的境地;临近死亡,临近灭亡等多重含义。由于人类对环保的不重视,对生态的破坏,导致有许多动物濒临灭绝,这种动物叫濒危动物,如大熊猫,江豚,华南虎.....
... Definetely endangered 危险(明确的要灭绝的) Severely endangered 濒危(严重濒临灭绝的) Critically endangered 垂危(极度濒临灭绝的) ...
基于26个网页-相关网页
濒危物种 endangered species ; Endangered ; threatened species ; threatened/endangered species
濒危语言 endangered language ; A Loss for Words ; Bedrohte Sprache
濒危物种法案 Endangered Species Act
中国少数民族濒危语言数据库 databanks on minority languages on the brink of extinction
濒危动物 endangered animals ; Animals in Danger ; endangered species ; endangered species/ endangered animals
濒危野生动物 endangered wildlife ; wild animals in danger ; COSEWIC
濒危动物物种 Endangered animal species
濒危植物物种 Endangered plant species
珍稀濒危植物 rare and endangered plants ; Rare and threatened plants
It is indicated that the species extinction is speeding, the endangered species are increasing. Endangered species should be the focal point of biodiversity conservation.
本文探讨了生态系统和物种多样性所面临的威胁,指出目前物种灭绝的速度在加快,濒危物种在增多,生物多样性保护的重点应是濒危物种。
参考来源 - 生物多样性面临的威胁及其原因First, over collection of wild individuals is the direct cause for the rare and endangerment of these species, particularly P. malipoense.
首先,人为采挖和破坏是导致这些兰花物种濒危的直接原因,尤其是麻栗坡兜兰。
参考来源 - 三种兰科植物的保护遗传学研究The results indicated that L. longituba had strong evolution potential,under natural circumstance,which would not be in imminent danger. So the wild germplasm genetic resources breakage of L. longituba mainly came from artificial interference.
遗传分化表明:长筒石蒜各居群间遗传分化程度较低;大部分遗传变异存在于居群内部,表明其具有较强的进化潜力,自然情况下不会处于濒危状态,野生种质资源的破坏,主要来自于人为干扰。
参考来源 - 长筒石蒜居群遗传多样性RAPD分析·2,447,543篇论文数据,部分数据来源于NoteExpress
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