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鄂西南亚高山不同覆被类型泥炭藓沼泽湿地甲烷排放特征及其环境影响因子
牟利, 吴林*(), 刘雪飞, 李小玲, 王涵, 吴浩, 余玉蓉, 杜胜蓝
Characteristics and environmental factors controlling methane emission from a Sphagnum bog with different plant cover types in a subalpine area, southwest of Hubei, China
MOU Li, WU Lin*(), LIU Xue-Fei, LI Xiao-Ling, WANG Han, WU Hao, YU Yu-Rong, DU Sheng-Lan

图3. 泥炭藓沼泽湿地CH4排放通量季节变化(平均值±标准误)。B, 裸露样地; P, 金发藓覆被样地; S, 泥炭藓覆被样地。不同大写字母表示同一覆被类型不同季节差异极显著(p < 0.01); 不同小写字母表示不同覆被类型间差异显著(p < 0.05)。*表示同一季节不同覆被类型差异显著(p < 0.05); **表示同一季节不同覆被类型差异极显著(p < 0.01)。

Fig. 3. Seasonal changes in methane emission fluxes in the Sphagnum bog (mean ± SE). B, bare land plot; P, Polytrichum commune plot; S, Sphagnum paluster plot. Different uppercase letters indicate significant difference among the same cover type in different seasons (p < 0.01); different lowercase letters indicate significant difference among the annual methane emissions of three cover types (p < 0.05). * represents a significant difference among the three cover types at the same season (p < 0.05); ** represents a significant difference among the three cover types at the same season (p < 0.01).