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Methane (CH4) emission was measured from an open fen on the Zoige Plateau (3500 m a.s.l.) (the eastern edge of the Qinghai- Tibetan Plateau) during two winters of 2006 and 2007. Three dominant plant stands, including Carex muliensis Hand-Mazz. (CM), Eleocharis valleculosa Ohwif. setosa (Ohwi) Kitagawa.(EV) and Kobresia tibetica Maxim (KT) were chosen to be monitored. Winter CH4 emissions were roughly...
Natural wetlands are the largest land-based natural sources for methane (CH4) emissions. China's natural wetland area accounts for about 4% of the area of the natural wetlands worldwide. Based on the data of global lakes and wetlands, in this study we conducted modeling work of CH4 emissions from natural wetlands in China by using terrestrial ecosystem model (TEM) of the 1995-2005. The results show...
Natural wetland excluding lake and floodplain in China at present covers an area of around 94,000km 2 and are mainly located in Qinghai-Tibet Highland (~50%) and northeast China (~30%), which can be divided into the peatlands (~42,000km 2 ), freshwater marsh (~25,000km 2 ), swamp (~2,500km 2 ), and salt marsh (~24,000km 2 ). The CH 4 flux measured in...
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