Fig. 2
From: N2O emission and its influencing factors in subtropical streams, China
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13717-021-00307-3/MediaObjects/13717_2021_307_Fig2_HTML.png)
N2O concentration in the Jinshui River and Qi River. Vertical bar denote SE of triplicate samples. Different letters indicate significant differences among sampling areas by linear mixed modeling (P < 0.05)