Keyphrases
Tree Rings
100%
Urban Forest
100%
Shanghai China
100%
Soil Contamination
100%
Metal Contamination
100%
Cu-Zn
100%
Cu-Cd
50%
Heavy Metal Pollution
50%
Heavy Metal Source
50%
Pollution
25%
Organic Matter
25%
Principal Coordinate Analysis (PCoA)
25%
Possible Sources
25%
Vehicle Parts
25%
One-way Analysis of Variance
25%
Cinnamomum Camphora
25%
Agricultural Activities
25%
Accumulation Potential
25%
Forest Soil
25%
Total Nitrogen
25%
Outer Ring
25%
Contamination Indices
25%
Correlation Analysis
25%
Geoaccumulation Index
25%
Pollution Condition
25%
Priority Control
25%
Tire
25%
Nonparametric Test
25%
Potential Ecological Risk
25%
Potential Ecological Risk Index
25%
Bioindicator
25%
Control Component
25%
Total Phosphorous
25%
Vehicle Exhaust
25%
Background Value
25%
Abrasion
25%
Soil Properties
25%
Green Belt
25%
Agricultural and Biological Sciences
Heavy Metal
100%
Urban Forest
100%
Principal Component Analysis
20%
Analysis of Variance
20%
Cinnamomum camphora
20%
Control Components
20%
Soil Property
20%
Forest Soil
20%