Descriptive statistics of the Sr isotope data measured in this study.

Summary isotope data for each sample type (i.e., mammal, plant, rock, soil leachate, and water). For each sample category, the main statistic parameters are provided.本数据集涵盖各类样本类型（即哺乳动物、植物、岩石、土壤渗滤液及水体）的同位素数据（isotope data）汇总信息；针对每一类样本，均提供了主要统计参数。