[1]GAO Jinchang,LONG Yi,ZHANG Xinbao,et al.Characteristics of Vertical Variation of Organic Carbon in the Sediment of Changshouhu Reservoir, China[J].Research of Soil and Water Conservation,2016,23(05):80-84.
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Characteristics of Vertical Variation of Organic Carbon in the Sediment of Changshouhu Reservoir, China
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
23
Number of periods:
2016 05
Page number:
80-84
Column:
Public date:
2016-10-28
- Title:
- Characteristics of Vertical Variation of Organic Carbon in the Sediment of Changshouhu Reservoir, China
- CLC:
- X524;S153.6+2
- DOI:
- -
- Abstract:
- To examine the characteristics of vertical variation for organic carbon in the sediment of Changshouhu Reservoir, deposit sediment was collected by using gravity sampler and bulk density, particle sizes and total organic carbon (TOC) were measured. Since the completion of the Changshouhu Reservoir in 1956, the siltation sediment thickness was 92 cm and the annual average sediment depth was 1.59 cm in the sediment deposit of Changshouhu Reservoir. The particle sizes were thinner gradually in the sediment, and increasingly coarser then thinner in the surface. The measured mean content of TOC was 14.14 g/kg in the sampling site. Since 1956, the trend of the content of TOC decreased, and gradually increased from the late 1980s for the change of land-use such as returning farmland to forest and urbanization in the Longxi catchment and especially the cages fish farming and fertilizer fish farming in the Chagnshouhu reservoir, and decreased gradually in 2004 when the ban for fertilizer framing fish was initiated. In addition, the present results would be helpful for studying the history of sediment and future controlling eutrophication in the Changshouhu Reservoir.
- References:
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