EARTH AND ENVIRONMENT

Vol. 39, No.3, Tot No.285 2011 

CONTENTS

Research Results

Soil Microbial Activities in Different Microhabitats of the Maolan National Nature Reserve…………………………………………………………………LIU Yu-jie et al（285）

Ammonia Volatilization in the Steppe of North China………………………………………………………………………………………………………ZHOU Zhi-hong et al（292）

Seasonal Variations in Dissolved Inorganic Carbon and δ13C of the Huaxi River……………………………………………………………………………YAN Hui et al（300）

Primary Research on the Formation and Development of Zengpiyan Cave and the Ancient Cultural Layer at the Zengpiyan Archaeological Site, Guilin, China……………………………………………………………………………………………………………………………………………………………ZHANG Mei-liang et al（305）

Dynamic Variation of Soil Respiration and Its Controlling Factors in Natural Karst ForestsLU……………………………………………………………Wen-Qiang et al（313）

Mercury Concentrations in Rice from China……………………………………………………………………………………………………………………YUAN Xiao-bo et al（318）

Soil Nutrient Elements Absorptivity and Absorption Edge Of Rice…………………………………………………………………………………………………LUO Jie et al（324）

Geochemical Characteristics of Heavy Metal Elements in Sediments of the Tuohe River in Suzhou City, Anhui Province……………………………CHEN Song et al（331）

Deformation Process of Thrust Load-Caused Landslide on the Basis of Deep Displacement Monitoring……………………………………………HU Xian-ming et al（338）

The Distribution and Variation of Soil CO2 Emission Rate in the Panlong Cave, Guilin……………………………………………………………………………LI Tao et al（343）

Research on the Sensitive Chemical Weathering Indices to Rock Weatherin………………………………………………………………………………LIU Cheng-yu et al（349）

High-F Groundwater in Gaomi City-Its Genetic Study ………………………………………………………………………………………………………WANG Cun-long et al（355）

The Correlation Analysis Between the Typical Ward of Kacshin-Beck Disease and Drinking Water in Western Sichuan Plateau…………………………SUN Shu-qin（363）

Applied Study

The Effects of Fly Aah and Sewage Sludge Ameliorants on the Transfer of Heavy Metals in Plants and Biological Effectiveness…………………NIU Hua-peng et al（371）

Dynastic Weight System of Hazard Assessment for Rainfall-induced Highway Landslides…………………………………………………………………XUE Kai-xi et al（376）

Pollution of Heavy Metals in the Sediments from Changshou Lake in Chongqing and Its Potential Ecological Risk Assessment…………………BAI Wei-yang et al（382）

Zonation of Landslide Hazards in the Immigrant Town of the Three-Gorges Reservoir Region…………………………………………………………XIAO Yong-jun et al（388）

Study on the Benchmark of Rainfall as Early Warning for Geohazards……………………………………………………………………………………………CHEN Wei et al（393）

Hazard Evaluation for Jinpingzi Landslide Based on GIS and AHP Method…………………………………………………………………………………………MAO Wei et al（399）

Special Subject and Review

Geochemical Indicators of Sedimentary Environments—A Summary………………………………………………………………………………………XIONG Xiao-hui et al（405）

Progress in Research on Groundwater Pollution in Our Country………………………………………………………………………………………………ZHANG Xin-yu et al（415）

Progress in Research on Remediation Technologies of Acidification of Mine Wastes……………………………………………………………….YANG Sheng-xiang et al（423）

Progress and Prospect on Arsenic Contamination of Soil and Its Phytoremediation…………………………………………………………………………………LI Sheng-fa（429）

Experiment Research

Experimental Research on Protein Extraction from Dried Excess Sludge……………………………………………………………………………………CHEN Wei-hua et al（435）