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《Journal of Anhui Agricultural Sciences》 2016-13
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Structure and Soil Carbon Reserves Response of Riparian Zone Landscape Surrounding Beijing Wenyu River Basin

SUN Rong-kai;CHEN Zhi-hui;College of Landscape Architecture,Beijing University of Agriculture;  
[Objective] To research the structure and soil carbon reserves response of riparian zone landscape surrounding Beijing Wenyu River Basin,and to provide scientific basis for the reconversion of shore zone ecosystem. [Method] With Changping section of Wenyu River in Beijing suburb as the research region,soil samples at 0- 20,20- 40 and 40- 60 cm were collected from three vegetation types of natural vegetation,seminatural vegetation and artificial vegetation. Vertical distribution characters of soil organic carbon were researched. [Result] Organic carbon densities at 0- 20,20- 40 and 40- 60 cm soils was 1. 842 0,1. 691 2 and 1. 460 2 kg / m~2,respectively. Soil organic carbon densities of natural vegetation at 0- 20,20- 40 and 40- 60 cm were 2. 326 4,2. 413 3 and 1. 377 4 kg / m~2,respectively. Soil organic carbon densities of seminatural vegetation at 0- 20,20- 40 and 40- 60 cm were 1. 673 6,1. 545 1 and 1. 360 4 kg / m~2,respectively. Soil organic carbon densities of artificial vegetation at 0- 20,20- 40 and 40- 60 cm were 1. 751 5,1. 430 6 and 1. 394 7 kg / m~2,respectively.[Conclusion]Soil carbon content at 0- 60 cm in riparian zone of Wenyu River Basin shows vertical change with the increase of soil depth.Carbon content in different soil layers from big to small is in the order of 0- 20,20- 40 and 40- 60 cm. Soil carbon content of different vegetation types from big to small is in the order of natural vegetation,seminatural vegetation and artificial vegetation.
【CateGory Index】: S153.6
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