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Fig. 2 | Annals of Forest Science

Fig. 2

From: Density reduction in loblolly pine (Pinus taeda L.) stands to increase tree C assimilation: an approach with the dual δ13C and δ18O isotope signatures in needles

Fig. 2

Effect of planting density on specific leaf area and δ18O in loblolly pine (Pinus taeda L.) trees. Note. Error bar represents mean ± 95% confidence interval. Non-significant results (Table 3) are not presented. In both figures, 2964 trees ha−1 stand density treatment was considered as the reference in the analysis, and was significantly different from 494 trees ha−1, and differences with other density treatments were non-significant

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Annals of Forest Science

ISSN: 1297-966X