the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Historical records of eutrophication in Changjiang (Yangtze) River estuary and its adjacent East China Sea
Abstract. Two sediment cores from the Changjiang (Yangtze) River estuary and its adjacent East China Sea were collected and studied for eutrophication history using paleoecological records of environmental changes over the last century. A multiproxy approach by using biological and geochemical analyses revealed changes in diatom assemblages, total organic carbon (TOC), total nitrogen (TN) and biogenic silica (BSi) and give an indication of nutrient in status and trends in Changjiang River estuary and its adjacent East China Sea. The diatom assemblages in the two cores generally increased gradually from the 1970s, and accelerated from the 1990s until now, reflecting the increased eutrophication and causing large algae blooms/red tides. The TOC, TN and BSi showing the similar trends, supported the interpretation of the eutrophication process indicated by diatom analyses. The two cores were located in different sea areas of the East China Sea, and we discuss their relative changes based on their environment characteristics. We also discuss the potential effect of anthropogenic influences and ongoing projects on eutrophication in the Changjiang River and its adjacent East China Sea.
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RC C2106: 'Review', Anonymous Referee #1, 26 Jun 2012
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AC C3181: 'Responses to the referee #1', Fangjin Cheng, 13 Aug 2012
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AC C3181: 'Responses to the referee #1', Fangjin Cheng, 13 Aug 2012
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RC C2696: 'Review', Anonymous Referee #2, 24 Jul 2012
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AC C3343: 'Responses to the referee #2', Fangjin Cheng, 19 Aug 2012
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AC C3343: 'Responses to the referee #2', Fangjin Cheng, 19 Aug 2012
- Printer-friendly version
- Supplement
-
RC C2106: 'Review', Anonymous Referee #1, 26 Jun 2012
-
AC C3181: 'Responses to the referee #1', Fangjin Cheng, 13 Aug 2012
-
AC C3181: 'Responses to the referee #1', Fangjin Cheng, 13 Aug 2012
-
RC C2696: 'Review', Anonymous Referee #2, 24 Jul 2012
-
AC C3343: 'Responses to the referee #2', Fangjin Cheng, 19 Aug 2012
-
AC C3343: 'Responses to the referee #2', Fangjin Cheng, 19 Aug 2012
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Cited
9 citations as recorded by crossref.
- The capability of estuarine sediments to remove nitrogen: implications for drinking water resource in Yangtze Estuary L. Liu et al. 10.1007/s11356-014-2914-8
- Spatio-temporal distribution and environmental risk of sedimentary heavy metals in the Yangtze River Estuary and its adjacent areas B. Chen et al. 10.1016/j.marpolbul.2016.11.055
- Concentrations and sinking rates of transparent exopolymer particles (TEPs) in a coastal sea: the Changjiang River (Yangtze River) Estuary S. Guo & J. Sun 10.1007/s13131-020-1660-7
- Distribution and spatial-temporal variation of organic matter along the Yangtze River-ocean continuum S. Zhang et al. 10.1525/elementa.2021.00034
- Decadal variations in diatoms and dinoflagellates on the inner shelf of the East China Sea, China R. Abate et al. 10.1007/s00343-017-6029-1
- Decadal variations of total organic carbon production in the inner-shelf of the South China Sea and East China Sea R. Abate et al. 10.1515/geo-2019-0082
- Spatio-temporal distribution and sources of Pb identified by stable isotopic ratios in sediments from the Yangtze River Estuary and adjacent areas B. Chen et al. 10.1016/j.scitotenv.2016.12.042
- Natural and human controls of water quality of an Amazon estuary (Caeté-PA, Brazil) M. Monteiro et al. 10.1016/j.ocecoaman.2016.01.014
- Microbial Diversity and Community Structure of Sulfate-Reducing and Sulfur-Oxidizing Bacteria in Sediment Cores from the East China Sea Y. Zhang et al. 10.3389/fmicb.2017.02133
