577

Effects and underlying mechanisms of damming on carbon and nitrogen cycles and transport in rivers of Southwest China: project introduction
Hua-Yun Xiao

Damming effects on dissolved inorganic carbon in different kinds of reservoirs in Jialing River, Southwest China
Gaoyang Cui • Xiaodong Li • Qinkai Li • Jun Huang • Yuele Tao • Siqi Li • Jun Zhang 

598

Temporal and spatial characteristics of dissolved organic carbon in the Wujiang River, Southwest China
Xi Peng • Baoli Wang • Yanchuang Zhao

605

Spatial characters of nutrients in Wujiangdu Reservoir in karst river, SW China
Jun Zhu • Siliang Li • Yuchun Wang • Haiyu Yan • Limin Liao • Jun Zhong

611

Sulfate sources constrained by sulfur and oxygen isotopic compositions in the upper reaches of the Xijiang River, China
Jing Liu • Siliang Li • Jun Zhong • Xuetao Zhu • Qingjun Guo • Yunchao Lang • Xiaokun Han

619

The oxygen isotopic composition of phosphate as an effective tracer for phosphate sources in Hongfeng Lake
Yongxue Ji • Jingan Chen • Runyu Zhang • Yong Liu • Jingfu Wang

626

Effects of river damming on biogenic silica turnover: implications for biogeochemical carbon and nutrient
Nan Ma • Zhaoliang Song • Baoli Wang • Fushun Wang • Xiaomin Yang • Xiaodong Zhang • Qian Hao • Yuntao Wu

638

Assessment of bacterial biomass in the highly contaminated urban Nanming River, Guiyang, SW China
Hao Xiao • Hua-Yun Xiao • Pan Wu

Carbon dioxide emissions from the Three Gorges Reservoir, China
Shuang Li • Fushun Wang • Wenyun Luo • Yuchun Wang • Bing Deng  

658

Air–water CO2 fl ux in an algae bloom year for Lake Hongfeng, Southwest China: implications for the carbon cycle of global inland waters
Faxiang Tao

Nitrous oxide (N2O) emissions from a mesotrophic reservoir on the Wujiang River, southwest China
Xiaolong Liu • Siliang Li • Zhongliang Wang • Guilin Han • Jun Li • Baoli Wang • Fushun Wang • Li Bai

Rapid and sensitive method for determining free amino acids in plant tissue by high-performance liquid chromatography with fluorescence detection
Nengjian Zheng • Huayun Xiao • Zhongyi Zhang • Xiaofei Gao • Jingjing Zhao