Figure 4 | Scientific Reports

Figure 4

From: Groundwater extraction reduces tree vitality, growth and xylem hydraulic capacity in Quercus robur during and after drought events

Figure 4

Development of growth variables: (a–c) ring-width (RW); (d–f) earlywood-width (EW); (g–i) latewood-width (LW), in the two droughts as well as pre, and post-drought (normal) periods for trees from different vigour groups and for sites with different groundwater regimes. See also Supplementary Fig. S3 for the exact non-dry years considered in the pre- and post-drought periods. Points show average values of each ring-width variable and bars show the standard error of the mean.

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