| Research Results | |
| Distribution and Sediment-water Exchange Flux of Dissolved Mercury and Methylmercury in Sediment Pore Waters in Dongfeng Reservoir, Guizhou Province, China | PAN Lusheng et al（483） |
| Compositional Characteristics and Variations of Soil Microbial Community in Karst Area of Puding County, Guizhou Province, China | LIU Xing et al（490） |
| Variation Characteristics of 210Pb Radioactive Activity in Soil Profiles above Cave and Its Environmental Significances | TANG Wei et al（498） |
| Organic Carbon Density and Reserve of Plowing Layer Soil from Southern Ji’ning District, Shandong Province, China | ZHAO Qingling et al（505） |
| Seasonal Variation Characteristics of Weathering in the Three Rivers Basin, Southwestern China | HUANG Lu et al（512） |
| Temporal-spatial Patterns and Evolution Mechanism of Groundwater Salinity in Groundwater of Cangzhou Area, Hebei Province, China | CHEN Jianping et al（522） |
| Applied Study | |
| Chemical Characteritics and Water Quality Assessment of Leachate and Surrounding Water of a Manganese Slag Landfill Site | RAN Zhengyan et al（529） |
| Assessment of Heavy Metal Contamination of Soil in Kunming City, China | MIAO Ruiqi et al（536） |
| Geological Hazards Risk Assessment of Hydropower Program in the Pumqu Basin, Tibet, China | LI Shan et al（540） |
| A Study on Dynamic Evolution of Ecological Environment of Fuxin Coal Mine | ZHAO Xiaoliang et al（547） |
| Ecological Health Diagnostic of Yuntai Mountain Area,Shibing County, Guizhou Province, China ——Based on the View of Land Use | YI Wuying et al（552） |
| Karst Aquifer Thickness Study Based on Changing Type of the Drilling Water Outflow | WANG Wei et al（558） |
| Experiment Research | |
| A Simulation Study on Calcium Nitrate Restraining the Release of Phosphorus from Sediments | ZHANG Hong et al（565） |
| Experimental Factors to Optimal Conditionfor Earthworm Treatment by Using Municipal Sewage Sludge and Foliar Litters | FENG Sijing et al（572） |
| Special Subject and Review | |
| Research Progress and Prospects on Monitoring Methods for Atmospheric Particulates PM2.5 | XU Can et al（577） |
| A Review on the Interactions between Metal Nutrients and Cyanobacteria | SHI Mianhong et al（583） |
