Tree species mediated soil chemical changes in a Siberian artificial afforestation experiment

Tree species and soil chemistry

Oleg V. Menyailo, Bruce A Hungate, Wolfgang Zech

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Natural and human-induced changes in the composition of boreal forests will likely alter soil properties, but predicting these effects requires a better understanding of how individual forest species alter soils. We show that 30 years of experimental afforestation in Siberia caused species-specific changes in soil chemical properties, including pH, DOC, DON, Na+, NH4+, total C, C/N, Mn2+, and SO42-. Some of these properties - pH, total C, C/N, DOC, DON, Na+ - also differed by soil depth, but we found no strong evidence for species-dependent effects on vertical differentiation of soil properties (i.e., no species x depth interaction). A number of soil properties - NO3-, N, Al3+, Ca2+, Fe3+, K+, Mg2+ and Cl- - responded to neither species nor depth. The six studied species may be clustered into three groups based on their effects on the soil properties. Scots pine and spruce had the lowest pH, highest C/N ratio and intermediate C content in soil. The other two coniferous species, Arolla pine and larch, had the highest soil C contents, highest pH values, and intermediate C/N ratios. Finally, the two deciduous hardwood species, aspen and birch, had the lowest C/N ratio, intermediate pH values, and lowest C content. These tree-mediated soil chemical changes are important for their likely effects on soil microbiological activities, including C and N mineralization and the production and consumption of greenhouse gases.

Original languageEnglish (US)
Pages (from-to)171-182
Number of pages12
JournalPlant and Soil
Volume242
Issue number2
DOIs
StatePublished - May 2002

Fingerprint

soil chemistry
afforestation
soil properties
carbon nitrogen ratio
soil
soil property
experiment
Siberia
greenhouse gases
soil chemical properties
boreal forests
Betula
hardwood
soil depth
Pinus sylvestris
aluminum
Picea
mineralization
Pinus
chemical

Keywords

  • Artificial afforestation
  • Forest ecosystems
  • Grassland conversion
  • Soil acidity
  • Soil solution
  • Tree species effect

ASJC Scopus subject areas

  • Soil Science
  • Agronomy and Crop Science
  • Plant Science

Cite this

Tree species mediated soil chemical changes in a Siberian artificial afforestation experiment : Tree species and soil chemistry. / Menyailo, Oleg V.; Hungate, Bruce A; Zech, Wolfgang.

In: Plant and Soil, Vol. 242, No. 2, 05.2002, p. 171-182.

Research output: Contribution to journalArticle

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