Effect of typical re-vegetation patterns on soil organic carbon sequestration in southern Ningxia

doi:10.3969/j.issn.1004-1524.2017.03.19

›› 2017, Vol. 29 ›› Issue (3): 483-488.DOI: 10.3969/j.issn.1004-1524.2017.03.19

• Environmental Science • Previous Articles Next Articles

Effect of typical re-vegetation patterns on soil organic carbon sequestration in southern Ningxia

JI Bo^{1, 2, 3}, LI Na^{1, 2, 3}, MA Fan^{1, 2, 3}, CAI Jinjun^{1, 2, 3}, DONG Liguo^{1, 2, 3}, XU Hao^{1, 2, 3}, HAN Xinsheng^{1, 2, 3}

1. Institute of Desert Management, Ningxia Academy of Agriculture and Forestry Science, Yinchuan 750002, China;
2. Key Laboratory of Desertification Control and Soil & Water Conservation of Ningxia, Yinchuan 750002, China;
3. Research Center of Ecological Restoration and Multifunction Forestry of Ningxia, Yinchuan 750002, China

Received:2016-11-03 Online:2017-03-20 Published:2017-03-31

Abstract

Abstract: In order to find out the effect on soil organic carbon sequestration of different re-vegetation patterns, 5 main re-vegetation patterns, including pure wild apricot forest, wild apricot and Caragana korshinskii forest, wild apricot and wild peach and Caragana korshinskii forest, seabuckthorn forest and artificial alfalfa grassland were selected as the study objects, and the abandoned land were adopted as the control in southern Ningxia. It was shown that the soil organic carbon reserves of the 5 main re-vegetation patterns and abandoned land took on decreasing trend with the increase of soil depth basically within 100 cm soil layer, and the shallow layer (0-20 cm) was the accumulation layer of soil organic carbon sequestration, as soil organic carbon reserve in this layer was significantly higher than that in other soil layers. The total organic carbon sequestration in 100 cm layer decreased as wild apricot and Caragana korshinskii forest>pure wild apricot forest>seabuckthorn forest>wild apricot and wild peach and Caragana korshinskii forest>abandoned land>artificial alfalfa grassland. From the view of organic carbon accumulation, the re-vegetation patterns with arbor and shrub or pure trees forest or shrubs forest were more appropriate than artificial grassland or natural restoration for mountainous area in southern Ningxia.

Key words: re-vegetation area in southern Ningxia, soil organic carbon, re-vegetation pattern

CLC Number:

S153

JI Bo, LI Na, MA Fan, CAI Jinjun, DONG Liguo, XU Hao, HAN Xinsheng. Effect of typical re-vegetation patterns on soil organic carbon sequestration in southern Ningxia[J]. , 2017, 29(3): 483-488.

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Effect of typical re-vegetation patterns on soil organic carbon sequestration in southern Ningxia

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