Fig. 5

The Pearson’s correlations between (a) CCO2, (b) CCH4 and key environmental factors in surface water in the UYR (LYX to LJXX). The significance levels of the correlations are indicated as *p < 0.05 and **p < 0.01, respectively.
The Pearson’s correlations between (a) CCO2, (b) CCH4 and key environmental factors in surface water in the UYR (LYX to LJXX). The significance levels of the correlations are indicated as *p < 0.05 and **p < 0.01, respectively.