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Table 2 Elemental concentrations (Zn, C, N) and Zn isotopic compositions for the different samples from the Kulingdakan catchment (Russia)

From: Zn isotope fractionation in a pristine larch forest on permafrost-dominated soils in Central Siberia

Samples

Environment type

[Zn] 1 μg/g

[C] 2 %

[N] 2 %

δ 66 Zn(‰) 3

δ 66 Zn(‰) 4

δ 67 Zn(‰) 3

δ 68 Zn(‰) 3

Soils

        

North0-10

North-facing slope

120

4.02

0.14

0.27  ± 0.03

−0.02

0.44  ± 0.04

0.55  ± 0.06

North20-40

North-facing slope

121

1.14

0.04

0.18  ± 0.06

−0.11

0.25  ± 0.07

0.34  ± 0.12

South20-40

South-facing slope

108

0.71

0.02

0.24  ± 0.02

−0.05

0.37  ± 0.03

0.47  ± 0.04

South60-100

South-facing slope

110

0.13

0.01

0.20  ± 0.05

−0.09

0.30  ± 0.09

0.41  ± 0.08

Bog0-20

Sphagnum peatbog

108

3.35

0.17

0.21  ± 0.02

−0.08

0.32  ± 0.06

0.41  ± 0.04

Sphagnum fuscum mosses

T1 (0–5 cm)

Sphagnum peatbog

19.8

46.2

0.50

0.20

−0.09

0.39

0.40

T1 (10–20 cm)

Sphagnum peatbog

13.9

46.9

0.53

0.10

−0.19

0.01

0.32

T1 (20–27 cm)

Sphagnum peatbog

15.1

45.6

0.52

0.67

0.38

1.21

1.32

T1 (28–32 cm)

Sphagnum peatbog

14.7

45.7

1.19

0.57

0.28

0.91

1.13

T2 (0–5 cm)

Sphagnum peatbog

14.8

48.2

0.61

0.14

−0.15

0.28

0.30

T2 (5–25 cm)

Sphagnum peatbog

17.2

47.0

0.73

0.21

−0.08

0.24

0.47

T2 (25–30 cm)

Sphagnum peatbog

13.9

44.9

0.74

0.65

0.36

1.01

1.33

T2 (30–32 cm)

Sphagnum peatbog

20.7

40.7

1.20

0.55

0.26

0.96

1.12

Mosses (Pleurozium schreberi), litter and organic layer

Live (green) mosses (0–3 cm)

North-facing slope

19.7

48.0

0.66

0.12  ± 0.06

−0.17

0.36  ± 0.09

0.35  ± 0.12

Dead (brown) mosses (3–6 cm)

North-facing slope

25.5

48.1

0.31

0.03

−0.26

0.25

0.18

Litter (7–10 cm)

North-facing slope

17.1

48.1

0.80

0.41  ± 0.04

0.12

0.72  ± 0.06

0.87  ± 0.07

Organic layer (11–13 cm)

North-facing slope

39.2

47.3

0.90

0.37

0.08

0.69

0.86

  1. The uncertainty reported for the Zn isotopic composition is the standard deviation obtained from duplicate or triplicate measurements depending on the amount of sample available. When no uncertainty was reported, only one measurement was performed. For these samples, the internal (relative) uncertainty of measurements was close to 0.05 ‰ (see Viers et al., ref. [22]). Otherwise the reported uncertainty is 2 s.d for n = 3.
  2. 1: Zn concentrations were measured on one sample that is composited (Mosses (Pleurozium schreberi), litter and organic layer) or not (soils, sphagnum fuscum mosses). The analytical error is < 10%.
  3. 2: C and N concentrations are from Prokushkin (in prep.).
  4. 3: Relative to the JMC Lyon (3-749 L).
  5. 4: Relative to the IRMM-3702 (Moeller et al., ref. [56]).