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[1]
Effects of elevated CO2 concentration and nitrogen supply on biomass and active carbon of freshwater marsh after two growing seasons in Sanjiang Plain, Northeast China[J]. ZHAO Guangying1,2,3, LIU Jingshuang1, WANG Yang1, DOU Jingxin1,3, DONG Xiaoyong41. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China. 2. School of Geographical Science, Harbin Normal University, Harbin 150080, China 3. Graduate School of Chinese Academy of Sciences, Beijing