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Carbon sequestration in relation to shrub size in the desert ecosystem

文献类型： 会议论文

第一作者： Decao Niu

作者： Decao Niu 1 ; Hongyang Chen 1 ; Shigao Jiang 1 ; Li Liu 1 ; Hongrong Zhang 1 ; Hua Fu 1 ;

作者机构： 1.State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, PO Box 61, Lanzhou 730000, People's Republic of China

关键词： Net ecosystem exchange;ecosystem respiration;gross ecosystem photosynthesis;arid region

会议名称： International Grassland Congress

主办单位：

页码： 1243-1244

摘要： Desert ecosystems have been reported as the location of the long-sought 'missing sink' for atmospheric carbon dioxide and as a potentially important area for carbon sequestering from fossil fuel combustion in the future (Stone 2008). Researchers havefound that net uptake of carbon in the Mojave Desert ranged from 102 to 127 g C m2/yr during a 3-year period which is equivalent to the net ecosystem production of many forest ecosystems with a much higher biomass (Luyssaert et al. 2007; Wohlfahrt et al.2008). Shrub is the dominant plant of desert ecosystems (Gratani et al. 2011); hence, it is important to understand the dynamics of carbon sequestration by shrubs as well as their role in desert ecosystem carbon balance. Information on the carbon sequestration associated with shrub size is limited. Our objective was, therefore, to find out the relationship between carbon sequestration potential and size of shrubs.

分类号： S812-532

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