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Ecological Processes
Fig. 4 | Ecological Processes

Fig. 4

From: Effects of long-term nitrogen addition on the δ15N and δ13C of Larix gmelinii and soil in a boreal forest

Fig. 4

Effects of nitrogen addition on photosynthetic related indexes of Larix gmelinii. Error bars represent 1 SE of the mean. A The photosynthetic rate of Larix gmelinii. B The stomatal conductance of Larix gmelinii. C The chlorophyll content of Larix gmelinii. D The Rubisco activity of Larix gmelinii. CK, LN, MN, HN represent the control, low N treatment, medium N treatment, and high N treatment, respectively

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