Tree-ring width of Quercus species from historical object sample 6731B/01A, G...

Species: Quercus species; No of rings: 138; first year: 1036; tree-death year: 1174; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 1;...物种：栎属（Quercus）物种；年轮总数：138；首个年轮形成年份：1036；树木死亡年份：1174；髓心：不适用；心材：完整；边材：不完整；边材年轮数：1；……