Journal
SOIL BIOLOGY & BIOCHEMISTRY
Volume 41, Issue 5, Pages 1015-1021Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.soilbio.2008.10.028
Keywords
Climate change; Forest-DNDC; Soil carbon dynamics; Greenhouse gas
Categories
Funding
- National Key Basic Research and Development Program of China [2003CB415201]
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The Abies fabri forest on the eastern slope of the Gongga Mountain is a typical subalpine dark coniferous forest in southwestern China. The soil carbon dynamics and greenhouse gas emissions in the A. fabri forest in future climates were simulated by the Forest-DNDC (denitrification-decomposition) model. Three future climate scenarios (B1, A1B and A2) predicted by the Intergovernmental Panel on Climate Change (IPCC) were selectively investigated. The simulation showed that at elevated temperature and precipitation, the annual change of soil organic carbon (SOC) decreased in the forest floor pool but increased in the mineral soil pool. The increases in the CO2, N2O and NO emissions from soil were also quantified. The results indicated that elevated temperature and precipitation influenced the soil carbon dynamics, and significantly increased the greenhouse gas emissions from the soil in the A. fabri forest of subalpine. (C) 2008 Elsevier Ltd. All rights reserved.
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