Data for: Is the past history of acidic deposition in eastern Canada reflected in sugar maples's tree rings 87Sr/86Sr, Sr and Ca concentrations?

These data show Sr and Ca concentrations as well as Sr isotopic ratio in tree rings of sugar maple trees and in soil extracts.本数据集收录了糖枫 (sugar maple) 树木年轮及土壤提取物中的锶 (Strontium, Sr)、钙 (Calcium, Ca) 浓度与锶同位素比值 (Strontium isotopic ratio)