Fig. 3From: Effects of long-term nitrogen addition on the δ15N and δ13C of Larix gmelinii and soil in a boreal forestEffects of nitrogen addition on δ13C value and C concentration of different components of Larix gmelinii. A The δ13C value of different components of Larix gmelinii. B The C concentration of different components of Larix gmelinii. Error bars represent 1 SE of the mean. CK, LN, MN, HN represent the control, low N treatment, medium N treatment, and high N treatment, respectivelyBack to article page