EARTH AND ENVIRONMENT 

Vol. 42, No.6, Tot No.302 2014 

CONTENTS

Research Results 

Distribution and Influencing Factors of Methylmercury in Paddy Soil of Wanshan Mercury Mining Areas ……………………………………………………………………………………………………………………………………… YIN De-liang et al（703） 

Trace Element Geochemistry of the Mawo Karst Basin in Weining County, Guizhou Province and Its Environmental Information ………………………………………………………………………………………………………………………………………  WU Yue-yuan et al（710） 

Physical-chemical Characteristics and Phosphorus Distribution in Soils from the Lake Hongfeng Watershed in Dry Seasons ……………………………………………………………………………………………………………………………………… ZHANG Run-yu et al（719） 

Interpretation of the Water Recourse of Davidia involucrate in the Fanjing Mountain via the Characteristics of Hydrogen Isotopic Composition and Photosynthesis …………………………………………………………………………………………………  LIU Ying et al（726） 

Geochemical Characteristics of the Rare-earth Elements in the Gold Mine Soil in the Upstream Area of the Miyun Reservoir, Beijing ……………………………………………………………………………………………………………………………………………  LI Qian et al（733） 

Form Distribution Characteristics and Influencing Factors of Cd, Cr, Pb, As and Hg in Farmland Soil from the Shijiazhuang Area, China ……………………………………………………………………………………………………………………………………………  CAI Kui et al（742） 

Analysis of the Temporal and Spatial Variations and Sources of Toxic Heavy Metals in Atmospheric Dustfall in Typical Acid-Rain Cities, Guizhou Province ………………………………………………………………………………………………………………  WANG Hong-yu et al（750） 

Applied Study 

The Effects of Biochar Application in the Cotton Fields of Kashgar Oasis, Xinjiang Uygur Autonomous Region, China ……………………………………………………………………………………………………………………………………  WANG Rong-mei et al（757） 

Vertical Distribution and Potential Ecological Risk Assessment of Heavy Metals in Sediment Cores of Lake Fuxian ……………………………………………………………………………………………………………………………………  WANG Xiao-lei et al（764） 

Speciation Distribution and Ecological Risk Assessment of Antimony and Arsenic in Soils of the Antimony Mining Area ……………………………………………………………………………………………………………………………………  CHEN Qiu-ping et al（773） 

Accumulation of Cadmium by Ligusticum chuanxiong and Its Associated Health Risk under Different Land Use Types ……………………………………………………………………………………………………………………………………… ZHOU Si-jian et al（779） 

Sensitivity Evaluation of Eco-environment in Luodian County based on the Grid Data Space Analysis Method ………………………………………………………………………………………………………………………………………  LIU Fa-yong et al（784） 

Experiment Research 

Experimental Study on the Optimization Condition for Citric Acid Extraction of Arsenic from Polluted Soi …………………………………………………………………………………………………………………………………… ZHENG Jing-hua et al（791） 

Study on the Absorption of Vermicompost to Heavy Metal Cu(II) ……………………………………………………  LUO Gen-hua et al（796） 

Special Subject and Review 

Progress in Research on Heavy Metal Contamination in the Tidal Flats of the Yangtze Delta ………………………………………………………………………………………………………………………………………… GU Jia-wei（801） 

Progress in Research on Anaerobic Oxidation of Methane in Landfill Site ………………………………………  FENG Jun-xi et al（810） 

Using the International Experience for Reference to Boost the Mercury Contaminated Sites Repaired in China ……………………………………………………………………………………………………………………………………  WANG Zu-guang et al（816）