Vol. 48, No.5, Tot No.337 2020----Institute of Geochemistry Chinese Academy of Sciences

EARTH AND ENVIRONMENT
Vol. 48, No.5, Tot No.337 2020

CONTENTS

	Research Results
525	CO₂Flux and Its Driving Factors in a Karst Evergreen Deciduous Broadleaf Mixed Forest in Dry Season LI Zihan et al
537	Numerical Simulation of the Effect of Energetic Electron Precipitation on Reactive Nitrogen and Ozone in the Middle upper Atmosphere of the Northern Hemisphere during Winter ZHU Zhipeng et al
544	Spatial Distribution and Source Apportionment of Heavy Metals in Road Dust of Karamay City Adila ISMAYIL et al
552	Pollution Characteristics and Source Apportionment of Watersoluble Ions in PM2.5 in the Zunyi City ZHANG Yong et al
558	Effects of Biocharbased Amphoteric Clays on the Cu2+ Adsorption by Purple Soil LI Wenbin et al
567	The Remediation Effect of Hydroxyapatite on Paddy Soil Heavy Metals in Chengdu Plain YANG Fang et al
	Applied Study
574	Spatial Distribution and Risk Assessment of Nitrogen and Heavy Metals in Typical Watershed of the Upper Reaches of Ganjiang River XU Yanying et al
584	Evaluation and Prediction of Environmental Capacities of Heavy Metals in Vineyard Soils in the Turpan Basin Marhaba TURHUN et al
593	Pollution Characteristics of Rain Runoffs in Typical Regions of Downtown Tianjin YANG Zongzheng et al
602	Hydrochemical Evolution of Groundwater in Aksu Plain, Xinjiang LEI Mi et al
612	Distribution Characteristics of Dissolved Nitrogen and Phosphorus in Inflow Rivers of Aha Reservoir in Dry Season MENG Fanfei et al
	Special Subject and Review
622	Progress of the Application of Remote Sensing Technology in the Soil Pollution Research XIAO Huxuan et al
631	Research Advance of Arbuscular Mycorrhizal Fungi Diversity in Karst Areas MI Yidong et al