大兴安岭多年冻土区森林土壤温室气体通量

吴祥文, 臧淑英, 马大龙, 任建华, 李昊, 赵光影

Greenhouse gas fluxes from forest soil in permafrost regions of Greater Hinggan Mountains, Northeast China

WU Xiangwen, ZANG Shuying, MA Dalong, REN Jianhua, LI Hao, ZHAO Guangying

表2 大兴安岭多年冻土区3种林型土壤CO2、CH4和N2O通量多重比较

Tab. 2 Multiple-range test for the soil CO2, CH4, and N2O fluxes in different forest types

林型 年份 CO2通量 (mg·m-2·h-1) CH4通量 (μg·m-2·h-1) N2O通量 (μg·m-2·h-1) 兴安落叶松林 2016 329.96±25.46Aa -33.84±5.43Ba 14.23±2.92Aa 2017 361.53±24.78Aa -23.38±3.66Bb 15.19±2.24Aa 樟子松林 2016 345.09±27.35Ab -37.99±4.78Ba 15.98±3.08Aa 2017 402.75±23.93Aa -27.63±5.87Ab 18.11±3.36Aa 白桦林 2016 299.19±21.47Aa -47.84±5.44Aa 13.54±2.75Aa 2017 315.59±22.19Ba -33.55±5.85Ab 13.80±2.79Aa