Research Results 

279

Preliminary Study on Hydrological and Hydrochemical Regime of a Typical Humid Subtropical Dolomite Catchment, A Case Study in the Huangzhou River Basin, Shibing County, Guizhou Province
HE Chun et al

294

Hydrogeochemical Characteristics of Groundwater in Typical Karst Spring Areas of North China- A Case Study in the Xujiagou Spring Area, Hebi
LIN Yun et al

307

Spatial Differences and It’s Environmental Factors of Vegetation Primary Productivity and Soil Respiration in Karst and Non-karst Areas
TANG Rongbin et al

318

Responses of Soil Characteristics and Water Conservation Capacity to Stand Densities of Planted Platycladus Orientalis in Mountainous Areas of the Huaying City
NIE Zexu et al

327

Geochemical Characteristics and Genesis of Iodine in Soil and Water Environments of Eastern Tianjin
WANG Weixing et al

332

Investigation on the Organic Matter Source of Ammonia Nitrogen in Shallow Groundwater of the Central Jianghan Plain
YUE Jun et al

Applied Study  

341

Distribution Characteristics of Mercury in Biofilm and Sediment of A Typical Mercury Contaminated Rive
LIN Jing et al

Change Characteristics of Landscape Pattern and Climate in Marsh Areas of Northeast China during 1980-2015
WANG Yanji et al （348） 

Temporal and Spatial Variation Characteristics of Groundwater in Different Slopes under Rocky Desertification Treatments in the Typical Karst trough of Youyang, Chongqing
HE Zhili et al  

Characteristics of Selenium Contents in Rice and Rhizosphere Soil in a Typical Carbonate Region of Central Guangxi
WEI Xueji et al  

Characteristics of Hydrogen and Oxygen Isotopes in the Deep Groundwater of the Pre-selected Area for High-level Radioactive Waste Disposal Repository in Beishan and Its Adjacent Areas
WANG Chen et al 

Special Subject and Review  

Research Advance in Bioavailability of Heavy Metals in Freshwater Sediment
ZHANG Zhi et al

A Review of Researches on Removal of Organic Pollutants in the Environment by Biocharnanocomposites
DAI Wenjing et al