太湖每年夏季都要出现藻华，这是由于温暖的环境以及农业和下水道带来的富营养物质在太湖中积累所致。
Algal blooms arrive in Taihu every summer, encouraged by warm conditions and nutrient-rich agricultural run-off and sewage that accumulates in the lake.
科学家可以在实验室对此进行测量，但他们不知道碳增强后的新环境如何更富营养。
Scientists can measure this in the lab, but they don't know how much more fertile the new, carbon-enhanced environment will be for plants.
富营养是一种严重的水体污染，不仅影响了水体水质，也对水环境造成了负面影响。
Over-nutrition is a kind of serious water pollution, which does not damage water quality and has negative impact on water environments.
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