Influence of artificial grassland restoration on soil carbon pool in an arid mining land

被引:3
作者
Mu, Yan [1 ,2 ]
Liu, Yu [2 ]
Tian, Fu-Ping [3 ]
Chang, Xiao-Feng [2 ]
Wu, Gao-Lin [1 ,2 ]
机构
[1] Northwest A&F Univ, Coll Landscape Architectural & Arts, Yangling 712100, Shaanxi, Peoples R China
[2] Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
[3] Chinese Acad Agr Sci, Lanzhou Inst Anim & Vet Pharmaceut Sci, Lanzhou Sci Observat & Expt Field Stn, Minist Agr Ecol Syst,Loess Plateau Area, Lanzhou 730050, Gansu, Peoples R China
关键词
Mine land; reclamation; soil carbon; vegetation community; ORGANIC-CARBON; LOESS PLATEAU; INORGANIC CARBON; RECLAIMED MINESOILS; MINE SOILS; CHINA; SEQUESTRATION; OHIO; WATER; RECLAMATION;
D O I
暂无
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Successful reclamation of degraded mine land can contribute to recuperate the vegetation and soil carbon sequestration. In this study, soil carbon pool was assessed in a mining land after short-term reclamation. We measured above- and belowground biomass and soil carbon storage of artificial grassland (Astragalus adsurgens and Medicago sativa), which was established in the reclamation of mining land. The results showed that artificial grassland establishment significantly increased above- and belowground biomass after four-year restoration. Artificial grassland establishment increased soil inorganic and organic carbon content and storage. Soil organic and inorganic carbon content showed a positive increasing along the restoration time. Higher SOC and lower soil bulk density and water content all were attributed to the growth of artificial grassland. These results suggest that establishing artificial grassland with legumes is an effective restoration approach for improving soil carbon pool in the reclaimed mine soils.
引用
收藏
页码:890 / 900
页数:11
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