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Soil carbon inventories and carbon-13 on a latitude transect in Siberia

Bird, MI ; Santruckova, H ; Arneth, Almut LU ; Grigoriev, S ; Gleixner, G ; Kalashnikov, YN ; Lloyd, J and Schulze, ED (2002) In Tellus. Series B: Chemical and Physical Meteorology 54(5). p.631-641
Abstract
We present soil organic carbon (SOC) inventories and carbon isotope compositions from over 900 samples collected in areas of minimally disturbed mature vegetation on freely drained soils (excluding peatlands) on a 1000 km transect along the Yennisey River, central Siberia. Carbon inventories over 0–30 cm depth range widely from 1.71 to 7.05 kg m-2 . While an effect of changing climate or vegetation along the transect cannot be ruled out, the observed differences in SOC inventories are largely the result of variations in mineral soil texture, with inventories in fine-textured soils being approximately double those in coarse-textured soils. The delta13C values of SOC in the 0–5 cm interval ranged from -26.3 to -28.0permil , with delta13C... (More)
We present soil organic carbon (SOC) inventories and carbon isotope compositions from over 900 samples collected in areas of minimally disturbed mature vegetation on freely drained soils (excluding peatlands) on a 1000 km transect along the Yennisey River, central Siberia. Carbon inventories over 0–30 cm depth range widely from 1.71 to 7.05 kg m-2 . While an effect of changing climate or vegetation along the transect cannot be ruled out, the observed differences in SOC inventories are largely the result of variations in mineral soil texture, with inventories in fine-textured soils being approximately double those in coarse-textured soils. The delta13C values of SOC in the 0–5 cm interval ranged from -26.3 to -28.0permil , with delta13C values for the 5–30 cm interval being 0.9 ± 0.8permil (1sigma) enriched in 13C relative to the 0–5 cm samples. The average delta13C value for the 0–5 cm interval for all samples was -27.1 ± 0.6permil (1sigma) and for the full 0–30 cm interval the average was -26.5 ± 0.5permil (1sigma) . In general, delta13C values were higher in coarse-textured soils and lower in fine-textured soils. The results of detailed sampling of soils in Pinus sylvestris forest growing on sand near the Zotino flux tower suggest an SOC inventory in these soils of 2.22 ± 0.35 kg m-2 over 30 cm and an average delta13C value of -26.3 ±0.2permil over the 0–5 cm depth interval and -25.9 ± 0.3permil over 0–30 cm. Recent burning had no effect on SOC inventories, but clearing has led to an average 25% decrease on SOC inventories from 0–30 cm over 12 yr. Neither burning nor clearing had a discernible effect on the delta13C value of SOC. (Less)
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author
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publishing date
type
Contribution to journal
publication status
published
subject
in
Tellus. Series B: Chemical and Physical Meteorology
volume
54
issue
5
pages
631 - 641
publisher
Taylor & Francis
external identifiers
  • scopus:0036870239
ISSN
0280-6509
DOI
10.1034/j.1600-0889.2002.01334.x
language
English
LU publication?
no
id
1f61f4f3-2cf9-4c1a-a865-a5e804897e7e (old id 590267)
date added to LUP
2016-04-04 11:51:06
date last changed
2022-03-15 23:58:00
@article{1f61f4f3-2cf9-4c1a-a865-a5e804897e7e,
  abstract     = {{We present soil organic carbon (SOC) inventories and carbon isotope compositions from over 900 samples collected in areas of minimally disturbed mature vegetation on freely drained soils (excluding peatlands) on a 1000 km transect along the Yennisey River, central Siberia. Carbon inventories over 0–30 cm depth range widely from 1.71 to 7.05 kg m-2 . While an effect of changing climate or vegetation along the transect cannot be ruled out, the observed differences in SOC inventories are largely the result of variations in mineral soil texture, with inventories in fine-textured soils being approximately double those in coarse-textured soils. The delta13C values of SOC in the 0–5 cm interval ranged from -26.3 to -28.0permil , with delta13C values for the 5–30 cm interval being 0.9 ± 0.8permil (1sigma) enriched in 13C relative to the 0–5 cm samples. The average delta13C value for the 0–5 cm interval for all samples was -27.1 ± 0.6permil (1sigma) and for the full 0–30 cm interval the average was -26.5 ± 0.5permil (1sigma) . In general, delta13C values were higher in coarse-textured soils and lower in fine-textured soils. The results of detailed sampling of soils in Pinus sylvestris forest growing on sand near the Zotino flux tower suggest an SOC inventory in these soils of 2.22 ± 0.35 kg m-2 over 30 cm and an average delta13C value of -26.3 ±0.2permil over the 0–5 cm depth interval and -25.9 ± 0.3permil over 0–30 cm. Recent burning had no effect on SOC inventories, but clearing has led to an average 25% decrease on SOC inventories from 0–30 cm over 12 yr. Neither burning nor clearing had a discernible effect on the delta13C value of SOC.}},
  author       = {{Bird, MI and Santruckova, H and Arneth, Almut and Grigoriev, S and Gleixner, G and Kalashnikov, YN and Lloyd, J and Schulze, ED}},
  issn         = {{0280-6509}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{631--641}},
  publisher    = {{Taylor & Francis}},
  series       = {{Tellus. Series B: Chemical and Physical Meteorology}},
  title        = {{Soil carbon inventories and carbon-13 on a latitude transect in Siberia}},
  url          = {{http://dx.doi.org/10.1034/j.1600-0889.2002.01334.x}},
  doi          = {{10.1034/j.1600-0889.2002.01334.x}},
  volume       = {{54}},
  year         = {{2002}},
}