Research ArticleOpen accessIn the keywordsContrasting Effects of Metal Contaminations and Soil Liming on Cations Exchange Capacity and Global DNA Methylation in Betula papyrifera Populations from a Mining RegionGabriel Theriault, Kabwe NkongoloAmerican Journal of Environmental Sciences, Vol. 12, Issue 2 · 11 Apr 2016 · 7,535 accessesView PDFCite