2019 2019 2019 2019 2019 2015 2015 2015
δ2H (‰) δ18O (‰) n Mean σ within-plot δ2H (‰) Mean σ within-plot δ18O (‰) δ2H (‰) δ18O (‰) n
Beech (F. sylvatica) -75.53 ± 4.86 -9.49 ± 0.99 112 3.69 0.84 -86.60 ± 6.47 -9.41 ± 0.97 63
Oak (Q. robur) -86.46 ± 9.82 -10.25 ± 1.28 16 2.91 0.83 -93.50 ± 8.51 -10.24 ± 1.24 12
Spruce (P. abies.) -64.63 ± 8.60 -8.53 ± 1.43 130 4.90 1.02 -78.92 ± 10.09 -9.60 ± 1.05 72