Tree-ring width of Quercus species from historical object sample 6625B/05A, R...

Species: Quercus species; No of rings: 47; first year: 1604; tree-death year: 1651; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last...物种：栎属（Quercus）物种；年轮数量：47；初始年份：1604；树木死亡年份：1651；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；最后……