Tree-ring width of Quercus species from historical object sample 6250B/04A, N...

Species: Quercus species; No of rings: 79; first year: 1445; end year: 1524; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...物种：栎属（Quercus）物种；年轮数：79；初始年份：1445；终止年份：1524；髓心：无适用数据；心材：缺失；边材：缺失；边材年轮数：0；最后一轮年轮……