... MTO Exotics Service 顶级订制服务 exotic trees or exotics 外来树种 exotic option or exotics 新型期权 ...
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... 乡土树种indigenoustree species 外来树种exotics 林木引种introductionofexotictree species ...
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... 挖穴式植树机 automatic injection planter 外来树种 exotic tree species 完满立木度 fully stocking percent ...
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However, there is still potential of damages could be caused by planting exotic trees such as biological invasion and other negative ecological impacts.
然而外来树种也存在潜在的风险，如生物入侵及其它生态影响。
参考来源 - 应用GIS进行外来树种生物入侵监测与早期预警·2,447,543篇论文数据，部分数据来源于NoteExpress
一些外来树种发生了树冠干枯和植株枯死。
外来树种，如松树和桉树，并不能为环境带来这一好处。
Exotic trees, like pine and eucalyptus, cannot offer these environmental benefits.
这些重要林业害虫在我国的发生都是伴随着敏感外来树种的引进和大量不合理的种植而逐渐严重起来的。
The outbreaks of these indigenous species occurred in conjunction with the introduction of sensitive exotic tree species species and ill-advised expansion over large areas.
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