Appendix B. Supplementary results: (1) radiocarbon dates; (2) pollen and charcoal records; (3) distribution of raw charocal accumulation rates; (4) Picea pollen grain classification via discriminant analysis; (5) likelihood-ratio test results for comparisons of pooled fire-retrun-interval distributions.

Supplementary results: (1) radiocarbon dates; (2) pollen and charcoal records; (3) distribution of raw charocal accumulation rates; (4) Picea pollen grain classification via discriminant analysis; (5) likelihood-ratio test results for comparisons of pooled fire-retrun-interval distributions.补充结果：(1) 放射性碳定年数据（radiocarbon dates）；(2) 孢粉与炭屑记录；(3) 原始炭屑堆积速率分布；(4) 基于判别分析（discriminant analysis）的云杉属（Picea）花粉粒分类；(5) 合并火灾回转间隔期分布对比的似然比检验（likelihood-ratio test）结果。