Tree-ring width of Quercus species from historical object sample 6033B/13A, N...

Species: Quercus species; No of rings: 47; first year: 1699; end year: 1746; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...物种：栎属（Quercus）物种；年轮数：47；起始年份：1699；终止年份：1746；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；最后一轮年轮……