Tree-ring width of Quercus species from historical object sample 6068B/06A, N...

Species: Quercus species; No of rings: 74; first year: 1564; end year: 1638; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 18; Last ring...树种：栎属（Quercus）树种；年轮总数：74轮；起始年份：1564年；终止年份：1638年；髓心：不适用；心材：完整；边材：完整；边材年轮数：18轮；最后一轮……