我国黄牛甲烷排放因子空间差异及其季节变化分析
边俊艳, 王新生, 张稳

An Analysis of the Spatial Variations and Seasonal Changes of Methane Emission from Cattle in China
BIAN Junyan,WANG Xinsheng,ZHANG Wen
图3 不同地区黄牛的肠道发酵和粪便管理甲烷排放差异
Fig. 3 Differences in the methane emissions from enteric and manure management systems in different regions of China