V2EX algal-bloom

Algal-Bloom

释义 Definition

algal bloom藻华/藻类暴发。指水体中藻类(常为浮游植物或蓝藻)在短时间内因营养盐增加、温度升高、光照充足、流速变慢等条件而迅速繁殖,使水面变绿、变浑或出现异味;部分藻华会产生毒素或造成缺氧,危害鱼类与饮用水安全。(也常见更具体说法:harmful algal bloom 有害藻华)

发音 Pronunciation (IPA)

/ll blum/

例句 Examples

The lake was closed because of an algal bloom.
因为藻华暴发,这座湖被关闭了。

After heavy rain washed fertilizer into the river, an algal bloom spread downstream, lowering oxygen levels and killing fish.
暴雨将肥料冲入河流后,藻华沿下游扩散,降低溶氧并导致鱼类死亡。

词源 Etymology

algal 来自 alga(藻类)+ 形容词后缀 -al(“……的”);bloom 原义是“开花、盛放”,在生态学语境中引申为“某种生物在短期内大量增殖的现象”。合起来就是“藻类的‘盛放’/暴发”。

相关词 Related Words

文学与作品 Literary Works

  • Under a White Sky(Elizabeth Kolbert)讨论人类改造环境带来的连锁反应,涉及藻华与水体生态问题。
  • The Sixth Extinction(Elizabeth Kolbert)在谈到海洋与淡水生态压力时提及藻华、缺氧区等现象。
  • Silent Spring(Rachel Carson)聚焦污染与生态影响的经典非虚构写作,常与富营养化、藻类异常繁殖等议题一并讨论。
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