V2EX shade-tolerance

Shade-tolerance

定义 Definition

shade-tolerance(耐荫性/耐阴性):指植物(尤其是树木、林下植物)在光照较弱的阴影环境下仍能存活、生长并完成竞争的能力。常用于生态学、林学与园艺学语境;不同物种的耐荫性差异会影响群落结构与演替过程。

发音 Pronunciation

/ed tlrns/

例句 Examples

Shade-tolerance helps some plants survive under trees.
耐荫性帮助一些植物在树下生存。

In forest succession, species with high shade-tolerance can persist in the understory until a canopy gap opens.
在森林演替中,耐荫性强的物种可以在林下层长期存活,直到树冠出现空隙、光照增加。

词源 Etymology

shade(阴影、遮蔽) + tolerance(耐受性) 组合而成的复合词(常见于科学写作中也可写作 shade tolerance)。其概念源自植物生态与林学对“光限制条件下的生存与生长能力”的分类讨论,用来区分“耐阴种”与“喜光种”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Silviculture: Concepts and Applications(林学教材中常用该术语讨论树种更新与经营)
  • Forest Ecology(森林生态学著作中用于解释林下更新与物种竞争)
  • Plant Physiology(植物生理学著作中常与光合适应、叶片性状等主题相关联)
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