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13C脉冲标记揭示放牧对高寒草甸同化碳分配的影响
陈锦1,2,宋明华1,*(),李以康3
13C pulse labeling reveals the effects of grazing on partitioning of assimilated carbon in an alpine meadow
CHEN Jin1,2,SONG Ming-Hua1,*(),LI Yi-Kang3

图2. 冬季轻度放牧(LWG)和围封(Encl)高寒草甸13C标记后30天的累积土壤CO2-C排放情况(平均值±标准误差)。*表示放牧与未放牧样地差异显著(p < 0.05)。

Fig. 2. Cumulative soil CO2-C efflux over 30 days following 13C labelling in light winter grazed (LWG) and fence-enclosed (Encl) alpine meadows(mean ± SE). * indicates significant difference between grazed and ungrazed plots (p < 0.05).