From: Zn isotope fractionation in a pristine larch forest on permafrost-dominated soils in Central Siberia
Samples | Environment and date | [Zn] 1 μg/g | [C] 2 % | [N] 2 % | δ 66 Zn(‰) 3 | δ 66 Zn(‰) 4 | δ 67 Zn(‰) 3 | δ 68 Zn(‰) 3 |
---|---|---|---|---|---|---|---|---|
Needles | NF, June 7 | 38.4 ± 1.9 | 48.2 ± 0.8 | 2.66 ± 0.22 | 0.06 ± 0.05 | −0.23 | 0.17 ± 0.09 | 0.17 ± 0.08 |
Needles | NF, July 18 | 21.1 ± 6.9 | 48.6 ± 0.3 | 1.13 ± 0.09 | n/a | n/a | n/a | n/a |
Needles | NF, August 28 | 16.1 ± 3.6 | 48.7 ± 0.2 | 1.01 ± 0.12 | 0.22 ± 0.01 | −0.07 | 0.39 ± 0.01 | 0.48 ± 0.09 |
Needles | NF, Sept 10 | 11.8 ± 2.0 | 48.7 ± 1.2 | 0.23 ± 0.01 | 0.27 ± 0.08 | −0.02 | 0.37 ± 0.14 | 0.46 ± 0.18 |
Needles | SF, June 7 | 36.7 ± 13.6 | 47.8 ± 0.4 | 3.06 ± 0.40 | 0.20 ± 0.01 | −0.09 | 0.37 ± 0.04 | 0.44 ± 0.04 |
Needles | SF, July 18 | 12.6 ± 5.4 | 48.6 ± 0.5 | 1.47 ± 0.10 | n/a | n/a | n/a | n/a |
Needles | SF, August 28 | 14.5 ± 4.8 | 49.1 ± 0.4 | 1.21 ± 0.17 | 0.37 ± 0.03 | 0.08 | 0.59 ± 0.06 | 0.75 ± 0.07 |
Needles | SF, Sept 10 | 13.3 ± 3.7 | 48.7 ± 0.8 | 0.31 ± 0.11 | 0.28 ± 0.06 | 0.00 | 0.43 ± 0.10 | 0.56 ± 0.12 |
Needles | PB, June 7 | 36.1 ± 5.7 | 48.4 ± 0.5 | 2.23 ± 0.44 | −0.21 ± 0.10 | −0.5 | −0.22 ± 0.16 | −0.35 ± 0.20 |
Needles | PB, July 18 | 20.9 ± 2.4 | 48.2 ± 0.8 | 1.27 ± 0.10 | n/a | n/a | n/a | n/a |
Needles | PB, August 28 | 13.3 ± 1.3 | 49.8 ± 0.3 | 1.04 ± 0.05 | −0.15 ± 0.05 | −0.44 | −0.16 ± 0.07 | −0.24 ± 0.09 |
Needles | PB, Sept 10 | 18.2 ± 7.0 | 48.8 ± 0.7 | 0.26 ± 0.02 | 0.13 ± 0.09 | −0.16 | 0.21 ± 0.12 | 0.26 ± 0.18 |
Sapwood | SF, Sept 10 | 7.0 ± 2.3 | 48.4 ± 1.9 | 0.08 ± 0.01 | 0.47 | 0.18 | 0.62 | 0.92 |
Wood (bulk) 5 | SF, Sept 10 | 4.8 ± 3.2 | 47.1 ± 3.3 | 0.10 ± 0.05 | 0.36 | 0.07 | 0.44 | 0.72 |
Bark | SF, Sept 10 | 23.3 | 51.9 | 0.15 | 0.73 | 0.44 | 1.14 | 1.48 |
Heartwood | PB, Sept 10 | 7.7 ± 2.4 | 43.9 ± 4.4 | 0.05 | −0.06 | −0.35 | −0.17 | −0.22 |
Sapwood | PB, Sept 10 | 15.8 ± 16.6 | 44.3 ± 3.4 | 0.07 ± 0.02 | −0.15 | −0.44 | −0.24 | −0.36 |
Wood (bulk) 5 | PB, Sept 10 | 10.0 ± 7.1 | 47.1 ± 3.3 | 0.09 ± 0.02 | 0.00 | −0.29 | −0.01 | −0.07 |
Fine roots (<2 mm) n = 5 | SF, Sept 10 | 15.2 | n/a | 0.48 | 0.19 | 0.50 | 0.85 | |
Phloem | riparian zone, Sept 10 | 60.5 | n/a | 0.67 | 0.38 | 0.90 | 1.21 |