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The effects of nitrogen (N) deposition on soil organic carbon (C) and greenhouse gas (GHG) emissions in terrestrial ecosystems are the main drivers affecting GHG budgets under global climate change. Although many studies have been conducted on this topic, we still have little understanding of how N deposition affects soil C pools and GHG budgets at the global scale. We synthesized a comprehensive...
Overgrazing reduces plant species diversity, productivity and soil C and N storage due to degradation especially in arid and semi-arid ecosystems. We hypothesized that fencing could significantly reverse these trends in temperate grasslands. The effects of long-term (30 years) fencing on diversity and soil C and N storage were compared with areas where continuous grazing occurred on the Loess Plateau,...
The objective of this study was trying to use USEPA's integrated exposure uptake biokinetic model(IEUBK model), which had been widespread utiLized at abroad but lacked of studying and appLication in China, to assess the ecological risk of soil lead in former industrial sites of CHongqing, China. In this paper, concentrations of soil lead in five typical kinds of former industrial sites were determinated...
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