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[1]PENG Shunlei,WANG Huatai,CHEN Changdong,et al.Distribution Patterns of Soil Organic Carbon and Nitrogen Storage in Forestland of Baotianman Nature Reserve[J].Research of Soil and Water Conservation,2015,22(05):30-34.

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Distribution Patterns of Soil Organic Carbon and Nitrogen Storage in Forestland of Baotianman Nature Reserve

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 05 Page number: 30-34 Column: Public date: 2015-10-28

Title:: Distribution Patterns of Soil Organic Carbon and Nitrogen Storage in Forestland of Baotianman Nature Reserve

Author(s):: PENG Shunlei¹, WANG Huatai², CHEN Changdong¹, QI Guang¹, ZHAO Ganqing¹; 1. Key Laboratory of Ecological Restoration in the Hilly Area, Pingdingshan University, Pingdingshan, He’nan 467000, China;
2. College of Resources and Environmental Science, Pingdingshan University, Pingdingshan, He’nan 467000, China

Keywords:: Baotianman Nature Reserve; soil types; soil organic carbon and nitrogen storages; C:N ratio; altitude; forest age

CLC:: S512.7

DOI:: -

Abstract:: Soil organic carbon (SOC) and nitrogen in forestland are the basis for material recycling in the forest ecosystems, and which are significantly correlated with global climate change. In order to understand the strorage distribution patterns of SOC and nitrogen in Baotianman Nature Reserves, we used soil profile survey method to study the relationship between the SOC, nitrogen storage and C:N ratio with altitude, forest age, and soil types in Baotianman Nature Reserve. The results showed that the amount of forest SOC storage ranged from 14.24 t/hm² to 137.97 t/hm², with an average of 82.05 t/hm²in the 0—30 cm soil layer, the value of soil nitrogen storage ranged from 0.75 t/hm² to 6.89 t/hm², with an average of 3.98 t/hm². SOC and nitrogen storage was significantly lineated with the altitude and forest age (p < 0.05), and positively increased with altitude and forest age increasing. SOC and nitrogen storage showed the differences among the different forest types. SOC and nitrogen storage of the brown soil was significantly greater than that of the yellow brown soil and cinnamon soil (p<0.01). However, C:N ratio was stable with the value of about 20, and did not significantly change with altitude and soil types (p > 0.05). This study revealed the distribution patterns of SOC and nitrogen storage in Baotianman forest region, and was very important for guiding climate change mitigation, forest restoration, and forest ecosystem management and protection in Baotianman Nature Reserve.

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