Lake Nanhu is in serious eutrophic state, and needs to take measures to prevent the water quality from worsening further.

长春市南湖水体呈现较为严重的富营养化状态，需要采取措施防止南湖水质进一步恶化。

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Then eutrophic state of Taihu Lake was evaluated by measured hyperspectra data, and the evaluating index was eutrophic state index(TSI).

水体富营养化程度的评价指标为营养状态指数（TSI）。

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Then eutrophic state of Taihu Lake was evaluated by measured hyperspectra data, and the evaluating index was eutrophic state index(TSI).

水体富营养化程度的评价指标为营养状态指数（TSI）。

youdao