Tree-ring width of Quercus species from historical object sample 6667B/10A, N...

Species: Quercus species; No of rings: 52; first year: 1423; tree-death year: 1475; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last...物种：栎属（Quercus）物种；年轮数：52；起始年份：1423；树木死亡年份：1475；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；最后……