EARTH AND ENVIRONMENT

Vol. 40, No.3, Tot No.289 2012

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

CONTENTS

Research Results

Hydro-geochemical Response of Shallow Groundwater on Vegetation Degradation in Karst Area: A Case Study in Laqiao Catchment of Libo in Guizhou, China………………………………………………………………………………………………………………………………………………………………XIAO De-an et al（297）

Distribution Characteristics and Source Analysis of Heavy Metals in Sediments of the Main River Systems in China ………………………ZHU Qing-qing et al（305）

Distribution, Age and Dust Sources of Loess in the Ili Basin…………………………………………………………………………………………LI Chuan-xiang et al（314）

Nitrogen and Oxygen Isotopic Tracing of Nitrate Pollution in the Dianchi Lake Basin……………………………………………………………… LI Qing-guang et al（321）

Climatic Variability since Late Glacial Period Inferred from Biogenic Silica Records in Moon Lake Sediments…………………………………WANG Li-xian et al（328）

Distribution Characteristics and Source Analysis of Phthalic Acid Esters in Bust Fall at the Xigu District of Lanzhou City……………………WANG Xiao-dan et al（336）

Analysis of the Deposition Flux and Source of Heavy Metal Elements in Atmospheric Dustfall in Ganan County, Heilongjiang Province……………………………………………………………………………………………………………………………………………………DENG Chang-zhou et al（342）

U-Series Dating of the Shizi Cave and Age of the Third Terrace of the Bubing and Baise Basins, Guangxi, China………………………………KONG Li-juan et al（349）

Study on the Characteristics of Selenium-rich Soil under Geological Environment with High Contents of Cadmium and Its Ecological Effects……………………………………………………………………………………………………………………………………………………………SONG Ming-yi et al（354）

Assessment of Heavy Metal Pollution in Mine Soil and Bioaccumlation Characteristics of Dominant Plants in a Lead-Zinc Mineland, West Hunan……………………………………………………………………………………………………………………………………………………………ZHOU Yao-yu et al（361）

Pollution Level and Health Risk of Heavy Metals in Dust from the Surrounding Environment of the Industrial Park in Changqing Town of Baoji…………………………………………………………………………………………………………………………………………………………… REN Chun-hui et al（367）

Applied Study

A Spatial-Temporal Dynamic Analysis of Landscape Pattern for Ecoregions Level I in the Liao River Basin……………………………………………LI Yan-li et al（375）

Impact of Different Land Use Modes on Nutrients of Sediments from Mangrove Wetlands of China………………………………………………YUAN Yan-ting et al（385）

Application of Multi-Element and Strontium Isotopes to Tracing the Geographical Origin of Agricultural Products-A Review……………………WANG Bing et al（391）

Assessment and Regionalization of Natural Hazard Risk Probability in Sichuan Province………………………………………………………………YU Huan et al（397）

Study on Risk Assessment of Debris Flow Based on Coupling-Coordination Theory……………………………………………………………………WANG Bin et al（405）

Ecological Assets Evaluation in a Karst Mountainous Area-A Case Study in Guiyang City…………………………………………………………ZHANG Yu-biao et al（412）

Study on Heat Island Effects in Dujiangyan City Based on RS……………………………………………………………………………………………LI Xuan-qiong et al（417）

Karst Land System Evolution Simulation in Du'an Based on the BP-ANN-CA……………………………………………………………………………QIN Kai-xian et al（423）

Development Characteristics and Genetic Analysis of Geological Disasters in Anlong County, Guizhou Province……………………………ZHANG Hong-xin et al（430）

Special Subject and Review

Progress in Research on Lake Sediment Quality Guidelines………………………………………………………………………………………………ZHANG Yang et al（438）

Review on Research on Traffic-Related Heavy Metals Pollution…………………………………………………………………………………………………SHAO Li et al（445）

Forestry Carbon Sequestration Project Baseline and Monitoring Methodology and Application Analysis—Take Guizhou Province Zhenfeng County Forestry Carbon Sequestration Projects as an Example …………………………………………………………………………………………………………………………YIN Xiao-fen et al（460）

Progress in Research on Microbial Remediation Technologies of Chromium-Contaminated Soil……………………………………………… DENG Hong-yan et al（466）