Tree-ring width of Quercus species from historical object sample 6738B/03A, N...

Species: Quercus species; No of rings: 53; first year: 1418; tree-death year: 1471; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last...物种：栎属（Quercus）植物；年轮数：53；初始生长年份：1418年；树木死亡年份：1471年；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；末次……