Trends in Elemental Concentrations of Tree Rings from the Siberian Arctic

Irina P. Panyushkina, Vladimir V. Shishov, Alexi M. Grachev, Anastasia A. Knorre, Alexander V. Kirdyanov, Steven W. Leavitt, Eugene A. Vaganov, Eugene P. Chebykin, Natalia A. Zhuchenko, Malcolm K. Hughes

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The biogeochemistry and ecology of the Arctic environment have been heavily impacted by anthropogenic pollution and climate change. We used ICP-MS to measure concentrations of 26 elements in the AD 1300-2000 tree rings of larch from the Taymyr Peninsula in northern Siberia for studying the interaction between environmental change and wood chemistry. We applied a two-stage data reduction technique to identify trends in the noisy measurement data. Statistical assessment of variance of normalized time series reveals pronounced depletion of xylem Ca, Mg, Cl, Bi and Si concentrations and enrichment of P, K, Mn, Rb, Sr and Ba concentrations after ca. AD 1900. The trends are unprecedented in the 700-year records, but multiple mechanisms may be at work and difficult to attribute with certainty. The declining xylem Ca and Mg may be a response to soil acidification from air pollution, whereas increasing P, K, and Mn concentrations may signal changes in root efficiency and excess water-soluble minerals liberated by the permafrost thaw. The changes seem consistent with mounting stress on Arctic vegetation. This study supports the potential of tree rings for monitoring past and ongoing changes in biogeochemistry of Arctic ecosystems related to pollution and permafrost thaw.

Original languageEnglish (US)
Pages (from-to)67-77
Number of pages11
JournalTree-Ring Research
Volume72
Issue number2
DOIs
StatePublished - Jul 1 2016

Fingerprint

biogeochemistry
xylem
growth rings
tree ring
permafrost
Arctic region
arctic environment
pollution
wood chemistry
environmental change
soil acidification
atmospheric pollution
air pollution
Siberia
time series
ecology
climate change
vegetation
time series analysis
monitoring

Keywords

  • Arctic pollution
  • biogeochemical cycling
  • dendrochemistry
  • ICP-MS
  • Larix decidua
  • Norilsk Nickel smelting complex
  • permafrost thawing
  • soil acidification
  • Wood chemistry

ASJC Scopus subject areas

  • Forestry
  • Atmospheric Science
  • Geology
  • Palaeontology

Cite this

Trends in Elemental Concentrations of Tree Rings from the Siberian Arctic. / Panyushkina, Irina P.; Shishov, Vladimir V.; Grachev, Alexi M.; Knorre, Anastasia A.; Kirdyanov, Alexander V.; Leavitt, Steven W.; Vaganov, Eugene A.; Chebykin, Eugene P.; Zhuchenko, Natalia A.; Hughes, Malcolm K.

In: Tree-Ring Research, Vol. 72, No. 2, 01.07.2016, p. 67-77.

Research output: Contribution to journalArticle

Panyushkina, IP, Shishov, VV, Grachev, AM, Knorre, AA, Kirdyanov, AV, Leavitt, SW, Vaganov, EA, Chebykin, EP, Zhuchenko, NA & Hughes, MK 2016, 'Trends in Elemental Concentrations of Tree Rings from the Siberian Arctic', Tree-Ring Research, vol. 72, no. 2, pp. 67-77. https://doi.org/10.3959/1536-1098-72.02.67
Panyushkina IP, Shishov VV, Grachev AM, Knorre AA, Kirdyanov AV, Leavitt SW et al. Trends in Elemental Concentrations of Tree Rings from the Siberian Arctic. Tree-Ring Research. 2016 Jul 1;72(2):67-77. https://doi.org/10.3959/1536-1098-72.02.67
Panyushkina, Irina P. ; Shishov, Vladimir V. ; Grachev, Alexi M. ; Knorre, Anastasia A. ; Kirdyanov, Alexander V. ; Leavitt, Steven W. ; Vaganov, Eugene A. ; Chebykin, Eugene P. ; Zhuchenko, Natalia A. ; Hughes, Malcolm K. / Trends in Elemental Concentrations of Tree Rings from the Siberian Arctic. In: Tree-Ring Research. 2016 ; Vol. 72, No. 2. pp. 67-77.
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