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As a traditional practice in grasslands, grazing significantly affects soil respiration (Rs). To improve our understanding of grassland carbon cycling, it is critical to partition the responses of soil respiration to grazing into autotrophic (Ra) and heterotrophic (Rh) respiration. In addition, it remains unclear how grazing patterns, such as warm- and cold- season grazing, influence Rs and its components...
Permafrost soils store enormous quantities of organic carbon. Especially on the alpine Qinghai-Tibet Plateau, global warming induces strong permafrost thawing, which strengthens the microbial decomposition of organic carbon and the emission of the greenhouse gas carbon dioxide (CO2). Enhanced respiration rates may intensify climate warming in turn, but the magnitude of future CO2 emissions from this...
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