Tree-ring width of Quercus species from historical object sample 6636B/12A, G...

Species: Quercus species; No of rings: 81; first year: 1560; tree-death year: 1641; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 19;...物种：栎属（Quercus）物种；年轮总数：81；初始年份：1560年；树木死亡年份：1641年；髓心：不适用；心材：完整；边材：完整；边材年轮数：19；……