貧ひん栄えい養よう湖こ

noun

oligotrophic lake; nutrient-poor lake

Technical term in limnology and ecology for a lake with low nutrient concentrations and consequently low biological productivity.

• 摩ま周しゅう湖こは代だい表ひょう的てきな貧ひん栄えい養よう湖ことして知しられている。

  Lake Mashū is known as a typical oligotrophic lake.