ecological endangerment生态危机
endangerment categories濒危等级
karst endangerment岩溶地质危害
reckless endangerment鲁莽危害行为;疏忽致险;疏忽危及他人;鲁莽危害他人
Landscape endangerment景观受胁度
endangerment category濒危等级
language endangerment语言濒危
Endangerment characteristics危害格局
endangerment situation濒危现状
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 conservation biology for endangered plant species aims to clarify the internal mechanism and external factors of plant species' endangerment to develop ways and measures to keep the species from endangerment.
濒危植物保护生物学旨在针对濒危植物特点,阐明植物濒危的内在机理与外在因素,提出解除濒危的对策与措施。
参考来源 - 黄山花楸的致濒机制及保护的研究