作　　者： ; ; ; ; ;

机构地区： 中国科学院华南植物园

出　　处： 《广西植物》 2007年第1期100-105,共6页

摘　　要： 通过对土壤65d的室内培养,比较研究了种上荷木、肖蒲桃和黄果厚壳桂幼苗并受模拟酸雨淋洗42月的盆栽土壤温室气体CO2、CH4、N2O排放的差异。结果发现,种植肖蒲桃的土壤CO2排放显著大于种植荷木和黄果厚壳桂的土壤,种植肖蒲桃和黄果厚壳桂的土壤CH4吸收显著大于种植荷木的土壤,而树种对土壤N2O的排放影响不明显。分析表明,土壤CO2的排放和对CH4的吸收的树种间差异并不完全由树种导致的土壤碳氮性质差异引起的,而导致树种对N2O的排放无差异的原因则很复杂。 Based on 65 days indoor incubation, potential emissions of three greenhouse gases CO2, CH4, and N2O from pot soils which were under Acmera acuminatisima, Schima superba and Cryptocarya concinna seedling and caught in acid rain for 42 months were studied. It was found that soil emission of CO2 under A. acuminatisima was significantly higher than that under S. superba and C. concinna. Soil uptake of CH4 under A. acuminatisima and C. concinn was significantly higher than that under S. superba. No statistics on species effect had been detected for N2O emission. The analysis showed that the species differences on soil emission of CO2 and soil uptake of CH4 did not completely come from the soil properties. And why there were no species differences on N2O emission was complicated.

关 键 词： 温室气体 培育实验 荷木 肖蒲桃 黄果厚壳桂

领　　域： [生物学]