V2EX cyanobacteria

Cyanobacteria

定义 Definition

n. 生物学中指一类能进行产氧光合作用的细菌,常译为“蓝细菌”或“蓝藻”。它们通常含有叶绿素 a,并以水为电子供体释放氧气;常见于淡水、海洋、湿土和岩石表面。许多种类能形成浮游群落,有些还能固氮,在生态系统的氧循环、碳循环和氮循环中很重要。

发音 Pronunciation

/sanobktri/

例句 Examples

Cyanobacteria can live in ponds and lakes.
蓝细菌可以生活在池塘和湖泊中。

When nutrients are abundant, cyanobacteria may multiply rapidly and form visible blooms on the water surface.
当营养物质充足时,蓝细菌可能迅速繁殖,并在水面形成可见的水华。

词源 Etymology

来自希腊语词根 kyanos,意为“深蓝色”,加上 bacteria,意为“细菌”。这个名称反映了许多蓝细菌因含有蓝绿色光合色素而呈现蓝绿色外观。

相关词 Related Words

科学文献用例 Scientific Usage

  • 在微生物学教材中,用于讨论产氧光合作用、原核生物多样性和早期地球氧气积累。
  • 在生态学和水环境研究中,用于描述淡水或海洋中的浮游微生物群落、水华形成和营养盐影响。
  • 在环境监测报告中,用于评估湖泊、水库或饮用水源中蓝细菌增殖及相关风险。
  • 在地质生物学文献中,常与叠层石、古代微生物生态系统和地球早期氧化过程一起出现。
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