Tree-ring width of Quercus species from historical object sample 6749B/01B, G...

Species: Quercus species; No of rings: 137; first year: 1673; tree-death year: 1810; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 17;...物种：栎属（Quercus）物种；年轮总数量：137；首个年轮年份：1673；树木死亡年份：1810；髓心：不适用；心材：完整；边材：完整；边材年轮数：17；……