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中文摘要：
To study the eutrophic status of Dongqian Lake,the contents of total nitrogen( TN),total phosphorus( TP) and chlorophyll( Chla) and the biomass of submerged plants in Dongqian Lake were monitored from April to September 2014,and their correlations were discussed. The results showed that there were regular changes in the TN,TP,and Chla content,and the biomass of submerged plants in Dongqian Lake,that is,the water quality of the lake was inferior in the early growth period of submerged plants and phytoplankton. The correlation analysis showed that the biomass of submerged plants correlated with TP and TN content negatively. In a word,the increase in the biomass of submerged plants was a key factor leading to the shift of water quality in Dongqian Lake in the later period,indicating that submerged plants played an important role in the steady-state shift of aquatic environment in Dongqian Lake.
英文摘要：
To study the eutrophic status of Dongqian Lake,the contents of total nitrogen（ TN）,total phosphorus（ TP） and chlorophyll（ Chla） and the biomass of submerged plants in Dongqian Lake were monitored from April to September 2014,and their correlations were discussed. The results showed that there were regular changes in the TN,TP,and Chla content,and the biomass of submerged plants in Dongqian Lake,that is,the water quality of the lake was inferior in the early growth period of submerged plants and phytoplankton. The correlation analysis showed that the biomass of submerged plants correlated with TP and TN content negatively. In a word,the increase in the biomass of submerged plants was a key factor leading to the shift of water quality in Dongqian Lake in the later period,indicating that submerged plants played an important role in the steady-state shift of aquatic environment in Dongqian Lake.
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