貧ひん栄えい養よう湖こ

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Meanings

1

noun

oligotrophic lake; nutrient-poor lake

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

貧poverty, poor

栄flourish, prosperity, honor

養foster, bring up, rear

湖lake

富ふ栄えい養よう湖こ
A eutrophic lake, rich in nutrients and often with high biological productivity, in contrast to 貧栄養湖.
中ちゅう栄えい養よう湖こ
A mesotrophic lake, intermediate in nutrient level between oligotrophic (貧栄養湖) and eutrophic (富栄養湖).

Compound of 貧 (poor) + 栄養 (nutrition) + 湖 (lake), literally 'poor-nutrition lake'. A calque from Western scientific terminology.