excessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant life; the decomposition of the plants depletes the supply of oxygen, leading to the death of animal life;
"he argued that the controlling factor in eutrophication is not nitrate but phosphate"
例句
用作名词 (n.)
Water eutrophication is a kind of caducity. 水体富营养化是水体衰老的一种表现。
The Lake is at medium level of eutrophication. 湖体处于中度富营养状态。
美
[ˌjuːtrəfɪ'keɪʃn]
