|Total phosphorus (mg P L−1)||0.16||0.25||0.19||0.17|
|Total nitrogen (mg N L−1)||4.87||3.29||3.87||4.70|
|The oxygen above the bottom (mg O2 L−1)||0.30||2.90||5.60||0.10|
|Chlorophyll a (μg L−1)||112.6||99.7||–||115.0|
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