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spatialtemporalchangesofsoilorganiccarbonduringvegetationrecoveryatziwulingchina
Li Yuyuan1; Shao Mingan1; Zheng Jiyong2; Zhang Xingchang2
2005
Source Publicationpedosphere
ISSN1002-0160
Volume15Issue:5Pages:601
AbstractTo probe the processes and mechanisms of soil organic carbon (SOC) changes during forest recovery, a 150-year chronosequence study on SOC was conducted for various vegetation succession stages at the Ziwuling area, in the central part of the Loess Plateau, China. Results showed that during the 150 years of local vegetation rehabilitation SOC increased significantly (P < 0.05) over time in the initial period of 55-59 years, but slightly decreased afterwards. Average SOC densities for the 0-100 cm layer of farmland, grassland, shrubland and forest were 4.46, 5.05, 9.95, and 7.49 kg C m(-3), respectively. The decrease in SOC from 60 to 150 years of abandonment implied that the soil carbon pool was a sink for CO2 before the shrubland stage and became a source in the later period. This change resulted from the spatially varied composition and structure of the vegetation. Vegetation recovery had a maximum effect on the surface (0-20 cm) SOC pool. It was concluded that vegetation recovery on the Loess Plateau could result in significantly increased sequestration of atmospheric CO2 in soil and vegetation, which was ecologically important for mitigating the increase of atmospheric concentration of CO2 and for ameliorating the local eco-environment.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/126241
Collection中国科学院地理科学与资源研究所
Affiliation1.中国科学院地理科学与资源研究所
2.中国科学院水土保持研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Li Yuyuan,Shao Mingan,Zheng Jiyong,et al. spatialtemporalchangesofsoilorganiccarbonduringvegetationrecoveryatziwulingchina[J]. pedosphere,2005,15(5):601.
APA Li Yuyuan,Shao Mingan,Zheng Jiyong,&Zhang Xingchang.(2005).spatialtemporalchangesofsoilorganiccarbonduringvegetationrecoveryatziwulingchina.pedosphere,15(5),601.
MLA Li Yuyuan,et al."spatialtemporalchangesofsoilorganiccarbonduringvegetationrecoveryatziwulingchina".pedosphere 15.5(2005):601.
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