Figure 2 | Scientific Reports

Figure 2

From: Responses of Intrinsic Water-use Efficiency and Tree Growth to Climate Change in Semi-Arid Areas of North China

Figure 2

Annual variations in: the tree ring cellulose stable carbon isotope (δ13Cc, polyline) record for P. orientalis, the tree ring whole wood stable carbon isotope (δ13Cw, circles) record for P. orientalis, and the atmospheric stable carbon isotope (δ13Ca, dotted line) between 1880 and 2014. We connected the annual δ13Cc points to a polyline, for convenient comparison with δ13Cw.

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