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[1]SHI Nana,HAN Yu,WANG Qi,et al.Effects of Mining Subsidence on Soil Carbon Storage in the Semi-arid Area[J].Research of Soil and Water Conservation,2015,22(06):144-148,154.

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Effects of Mining Subsidence on Soil Carbon Storage in the Semi-arid Area

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 06 Page number: 144-148,154 Column: Public date: 2015-12-28

Title:: Effects of Mining Subsidence on Soil Carbon Storage in the Semi-arid Area

Author(s):: SHI Nana¹, HAN Yu¹, WANG Qi¹, KOU Xu², QUAN Zhanjun¹; 1. Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
2. Beijing Huayu Engineering Co., Ltd., CCTEG, Beijing 100120, China

Keywords:: mining subsidence; soil carbon storage; variance analysis; factor analysis; semi-arid area

CLC:: S153

DOI:: -

Abstract:: Variance analysis and factor analysis were used to reveal effects of mining subsidence on soil carbon storage in Daliuta mining area. The results showed that: (1) at different soil depths, soil carbon storages had no significant difference (p < 0.05), but significantly different in spatial distribution; (2) at different slope positions, both in control area and subsidence area, carbon storages showed the same pattern: slope bottom > slope middle > slope top, mining subsidence had the great impact on soil carbon storage of slope bottom according to variance analysis(p < 0.05); (3) in coal mining subsidence, soil carbon storage was positively related to soil porosity, total nitrogen, and soil organic matter, respectively, with the correlation coefficients: 0.943, 0.864 and 0.967 (p < 0.01), and the dominant factors were soil organic matter and soil porosity.

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