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Vol. 49, No.6, Tot No.344 2021 TEXT SIZE: A A A
 EARTH AND ENVIRONMENT
Vol. 49, No.6, Tot No.344 2021 
 
    CONTENTS
   

603

Spatio-temporal Variation and Driving Factors of “ Three Nitrogen ” in Shallow Groundwater in Typical Over-exploited Areas in North China
CONG Xin et al

615  Study on Spatial Differentiation of Precipitation between North and South of Qinling Mountains
SONG Linlin et al 

623

CO2 Migration Characteristics and the Environmental Coupling Relationship in a Karst Cave System
SHI Liangxing et al

635

Vegetation Change and Its Response to Climate Factors in the Middle Reaches of the Yarlung Zangbo River from 2010 to 2019: A Case Study of Lhasa-Linzhi Section of Sichuan-Tibet Railway
ZHANG Han et al

646

End Member Analysis on Grain Size of Reticulated Red Clay and Its Indication Significance in Xiangyang Section of Xuancheng
XU Liangyu et al

655

Risk Assessment and Source Apportionment of Heavy Metals in Dust Fall in Primary and Secondary Schools of a Typical Industrial City
SUN Ang et al

665

Effects of Vermicompost Application on the Content and Forms of Soil Nitrogen
YE Shasha et al 

673

Contamination and Human Health Risks of Sb and As in Farmland Soils around a Typical Antimony Smelter in Guizhou, China
YAO Dongju et al

684

Spatial Distribution and Ecological Risk Assessment of PAHs in Different Karst Underground Rivers Based on Species Sensitivity Distribution
HU Yuqing et al

694

Source Apportionment and Risk Assessment of Pollutants in Farmland Soil Based on Township Scale
PENG Qigui et al

707

Determination of Heavy Metals Geochemical Baseline Value in Paddy Fields in the Dumu River Basin of Longli Coal Mine in Guizhou
SUN Dali et al

717

Evaluation of Oxidative Damage of PM2.5 in Main Cities of Guizhou Province
YANG Yushuang et al

726

The Effect of Biochar on the Farmland Soil CO2 Emission: A Review 
JIANG Minghua et al

737 

Research Progress on Adsorption and Degradation of Organic Pollutants on Sepiolite Mineral Interface 
ZHANG Xueting et al

750 

Research Progress on Critical Load of Nitrogen Deposition 
LU Chendong et al 

 

 

 

 
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