CAJ | 학술논문

C3植物与C4植物具明显的δ13C值差异，利用这种特性，选取荔波茂兰喀斯特森林边缘处这个C3植物—C4植物转换生长的地点，分别采集森林与农田各三个剖面的土壤样品，根据测定其土壤总有机碳、不同粒径及不同比重组分的δ13C值间的相互关系来推导土壤有机碳的若干迁移规律。
C3식물여C4식물구명현적δ13C치차이，이용저충특성，선취려파무란객사특삼림변연처저개C3식물—C4식물전환생장적지점，분별채집삼림여농전각삼개부면적토양양품，근거측정기토양총유궤탄、불동립경급불동비중조분적δ13C치간적상호관계래추도토양유궤탄적약간천이규률。
Significant differences are noticed in δ13C value between C3 plants and C4 plants. According to this feature, soil samples were collected from three profiles on farms and forest lands near the Maolan karst forest where C3 plants and C4 plants are growing now. Some rules of transport of soil organic carbon can be deduced in terms of the measured δ13C values of total organic carbon and different size—density fractions.