Tree-ring width of Quercus species from historical object sample 6770B/12A, G...

Species: Quercus species; No of rings: 117; first year: 1547; tree-death year: 1664; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 7;...物种：栎属（Quercus）物种；总年轮数：117；起始年份：1547年；树木死亡年份：1664年；髓心（pith）：不适用；心材（heartwood）：完整；边材（sapwood）：不完整；边材年轮数：7；……