Abstract:Soil organic carbon (SOC) storage in soil of 1m-depth profiles (totally 16) under 5 different land-use types in Sanjiang Plain, Northeast China was analyzed. Content and density of SOC decreased in vertical distribution under different land-use types, and the tendency of variation descended with the increase of depth. Reclamation reduced the content and density of SOC, and changed the distribution structure in topsoil. A preliminary estimate showed that the SOC storage of 1m-depth was 1.58×104t/km2 in wetland, 1.23×104t/km2 in abandoned land, 1.01×104t/km2 in woodland, 0.85×104t/km2 in paddy land and 0.99×104t/km2 in glebe. It concluded that reclamation reduced SOC storage of wetland, and the effect was more significant in farmland than in woodland. Wetland restoration could be beneficial to soil carbon sequestration and would increase the soil organic carbon storage.
王丽丽, 宋长春, 葛瑞娟, 宋艳宇, 刘德燕. 三江平原湿地不同土地利用方式下土壤有机碳储量研究[J]. 中国环境科学, 2009, 29(6): 656-660.
WANG Li-Li, SONG Chang-Chun, GE Rui-Juan, SONG Yan-Yu, LIU De-Yan. Soil organic carbon storage under different land-use types in Sanjiang Plain.. CHINA ENVIRONMENTAL SCIENCECE, 2009, 29(6): 656-660.