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- W2354663800 abstract "Based on the comparison between the background values and status quo values of ecological and environmental parameters in the Changjiang River estuary and adjacent sea areas,the eutrophication status in the sea area was assessed by using the OSPAR-Comprehensive Procedure.It is shown from the assessment results that(1) both the TN and TP fluxes discharged from the Changjiang River to the Changjiang River estuary sea area increased continuedly,the DIN concentration in the sea areas increased continuedly,and the Si concentration decreased continuedly,which resulted in the significant changes in N/P/Si ratios;(2) the chlorophyll a concentration in the sea areas increased continuedly,and the significant changes in community structure of phytoplankton occurred;(3) the species and biomass of benthos declined greatly,and the bottom oxygen-poor water area increased significantly;(4) the range and occurrence frequency of red tide events in the sea areas increased greatly,and the algal toxic infection events of mussel were frequently found in the sea areas.It is concluded from the assessment results of 4 kinds of assessment factors that the Changjiang River estuary and adjacent sea areas have been classified as problem area with regard to eutrophication,namely,the anthropogenic eutrophication has made an adverse disturbance to the marine ecosystem in the Changjiang River estuary and adjacent sea areas." @default.
- W2354663800 created "2016-06-24" @default.
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- W2354663800 date "2006-01-01" @default.
- W2354663800 modified "2023-09-24" @default.
- W2354663800 title "Assessment of Eutrophication Status in the Changjiang River Estuary and Adjacent Sea Areas" @default.
- W2354663800 hasPublicationYear "2006" @default.
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